publications

List of publications

Refereed publications

M. Radziunas, "Calculation of steady states in dynamical semiconductor laser models," Opt. Quantum Electron. 55, 121, 2023. WIAS Preprint, (2961), 2022.
A. Zeghuzi, J.-P. Köster, M. Radziunas, H. Christopher, H. Wenzel, and A. Knigge, "Spatially modulated broad-area lasers for narrow lateral far-field divergence," Optics Express 29(16), 25133, 2021. WIAS Preprint, (2857), 2021.
H. Wenzel, M. Kantner, M. Radziunas, U. Bandelow, "Semiconductor Laser Linewidth Theory Revisited," Appl. Sci. 11(13), 6004, 2021. WIAS Preprint, (2838).
Sh. Amiranashvili, M. Radziunas, U. Bandelow, K. Busch, R. Čiegis, "Additive splitting methods for parallel solution of evolution problems," Journal of Computational Physics 436, 110320, 2021. WIAS Preprint, (2767).
J.-P. Köster, A. Putz, H. Wenzel, H.-J. Wünsche, M. Radziunas, H. Stephan, M. Wilkens, A. Zeghuzi, and A. Knigge, "Mode competition in broad-ridge-waveguide lasers," Semiconductor Science and Technology 36(1), 015014, 2021. WIAS Preprint, (2764).
J.-P. Köester, M. Radziunas, A. Zeghuzi, H. Wenzel, and A. Knigge, "Simulation and design of a compact GaAs based tunable dual-wavelength diode laser system," Optical and Quantum Electronic 51(10), 334 (12pp), 2019. WIAS-Preprint (2635).
M. Radziunas, D.J. Little, and D.M. Kane, "Numerical study of optical feedback coherence in semiconductor laser dynamics," Optics Letters, 44(17), pp. 4207-4210, 2019. WIAS-Preprint (2604).
A. Zeghuzi, H.-J. Wünsche, H. Wenzel, M. Radziunas, J. Fuhrmann, A. Klehr, U. Bandelow, and A. Knigge, "Time-dependent simulation of thermal lensing in high-power broad-area semiconductor lasers," IEEE J. of Selected Topics in Quantum Electronics 25(6), 1502310, 2019. WIAS-Preprint (2634).
C. Bree, V. Raab, J. Montiel-Ponsoda, G. Garre-Werner, K. Staliunas, U. Bandelow, M. Radziunas, "Beam-combining scheme of high-power broad-area semiconductor lasers with Lyot-filtered reinjection: modeling, simulations, and experiments," J. Opt. Soc. Am. B, 36(7), pp. 1721-1730, 2019. WIAS-Preprint (2586).
M. Krüger, V.Z. Tronciu, A. Bawamia, Ch. Kürbis, M. Radziunas, H. Wenzel, A. Wicht, A. Peters, G. Tränkle, "Improving the spectral performance of extended cavity diode lasers using angled-facet laser diode chips," Appl. Phys. B 125, 66 (12pp), 2019.
M. Radziunas, J. Fuhrmann, A. Zeghuzi, H.-J. Wünsche, T. Koprucki, C. Bree, H. Wenzel, and U. Bandelow, "Efficient coupling of dynamic electro-optical and heat-transport models for high-power broad-area semiconductor lasers," Optical and Quantum Electronics 51, 69, 2019. WIAS-Preprint (2558).
A. Zeghuzi, M. Radziunas, H.-J. Wünsche, J.-P. Koester, H. Wenzel, U. Bandelow, and A. Knigge, "Traveling wave analysis of non-thermal far-field blooming in high-power broad-area lasers," IEEE J. of Quantum Electronics, 55(2), art.no. 2000207, 2019. WIAS-Preprint (2633).
Sh. Amiranashvili, M. Radziunas, U. Bandelow, R. Čiegis, ''Numerical methods for accurate description of ultrashort pulses in optical fibers'', Communications in Nonlinear Science and Numerical Simulation, 67, pp. 391-402, 2019. WIAS-Preprint (2470).
M. Khoder, M. Radziunas, V.Z. Tronciu, G. Verschaffelt, "Study of wavelength switching time in tunable semiconductor micro-ring lasers: experiment and travelling wave description," OSA Continuum, 1(4), pp. 1226-1240, 2018.
C. Bree, D. Gailevicius, V. Purlys, G.G. Werner, K. Staliunas, A. Rathsfeld, G. Schmidt, M. Radziunas, ''Chirped photonic crystal for spatially filtered optical feedback to a broad-area laser'', Journal of Optics 20(9), 095804 (7pp), 2018. WIAS-Preprint (2502).
V. Tronciu, H. Wenzel, M. Radziunas, M. Reggentin, J. Wiedmann, A. Knigge, "Investigation of red-emitting distributed Bragg reflector lasers by means of numerical simulations", IET Optoelectronics, 12(5), 228-232, 2018.
A. Zeghuzi, M. Radziunas, A. Klehr, H.-J. Wünsche, H. Wenzel, A. Knigge, ''Influence of nonlinear effects on the characteristics of pulsed high-power broad-area distributed Bragg reflector lasers'', Optical and Quantum Electronics 50, 88, 2018.
M. Radziunas, M. Khoder, V. Tronciu, J. Danckaert, G. Verschaffelt, ''Semiconductor ring laser with filtered optical feedback: traveling wave description and experimental validation,'' J. Opt. Soc. Am. B 35(2), 380-390, 2018. WIAS-Preprint (2438).
M. Radziunas, ''Modeling and simulations of broad-area edge-emitting semiconductor devices'', The International Journal of High Performance Computing Applications, 32(4), 512-522, 2018. WIAS-Preprint (2292).
M. Radziunas, A. Zeghuzi, J. Fuhrmann, Th. Koprucki, H.-J. Wünsche, H. Wenzel, U. Bandelow, ''Efficient coupling of the inhomogeneous current spreading model to the dynamic electro-optical solver for broad-area edge-emitting semiconductor devices'', Optical and Quantum Electronics 49, 332, 2017. WIAS-Preprint (2421).
S. Rauch, H. Wenzel, M. Radziunas, M. Haas, G. Tränkle, and H. Zimer, ''Impact of longitudinal refractive index change on the near-field width of high-power broad-area diode lasers'', Appl. Phys. Lett. 110(26), 263504, 2017.
M. Radziunas, ''New multi-mode delay differential equation model for lasers with optical feedback'', Optical and Quantum Electronics 48(10), 470, 2016. WIAS-Preprint, (2294).
R. Arkhipov, T. Habruseva, A. Pimenov, M. Radziunas, S.P. Hegarty, G. Huyet, A. Vladimirov, "Semiconductor mode-locked lasers with coherent dual mode optical injection: Simulations, analysis and experiment", J. Opt. Soc. Am. B, 33(3), pp. 351-359, 2016. WIAS Preprint, (2184).
W.W. Ahmed, S. Kumar, R. Herrero, M. Botey, M. Radziunas, and K. Staliunas, ''Stabilization of flat-mirror vertical external-cavity-surface emitting lasers by spatiotemporal modulation of pump profile'', Phys. Rev. A 92, art. no. 043829, 2015.
M. Radziunas, R. Herrero, M. Botey, and K. Staliunas, ''Far field narrowing in spatially modulated broad area edge-emitting semiconductor amplifiers'', J. Opt. Soc. Am. B, 32(5), pp. 993-1000, 2015. WIAS-Preprint, (2088).
V.Z. Tronciu, M. Radziunas, Ch. Kürbis, H. Wenzel, A. Wicht, ''Numerical and experimental investigations of micro-integrated external cavity diode lasers'', Optical and Quantum Electronics 47(6), pp. 1459-1464, 2015.
M. Radziunas, ''Longitudinal modes of multisection edge-emitting and ring semiconductor lasers'', Optical and Quantum Electronics 47(6), pp. 1319-1325, 2015. WIAS-Preprint, (2011).
M. Radziunas, V.Z. Tronciu, E. Luvsandamdin, Ch. Kürbis, A. Wicht, H. Wenzel, ''Study of micro-integrated external-cavity diode lasers: simulations, analysis and experiments'', IEEE J. of Quantum Electronics, 51(2), art. no. 2000408, 2015. WIAS-Preprint, (1981).
Sh. Amiranashvili, R. Čiegis, M. Radziunas, ''Numerical methods for a class of generalized nonlinear Schrödinger equations'', Kinetic and Related Models, 8(2), pp. 215-234, 2015. WIAS-Preprint, (1840).
M. Radziunas, R. Čiegis, ''Effective Numerical Algorithm for Simulations of Beam Stabilization in Broad Area Semiconductor Lasers and Amplifiers'', Math. Model. Anal. 19(5), pp. 627-646, 2014.
S. Joshi, C. Calo, N. Chimot, M. Radziunas, R. Arkhipov, S. Barbet, A. Accard, A. Ramdane, F. Lelarge, ''Quantum dash based single section mode locked lasers for photonic integrated circuits'', Optics Express 22(9), pp. 11254-11266 , 2014.
M. Radziunas, R. Čiegis, A. Mirinavičius, ''On compact high order finite difference schemes for linear Schrödinger problem on non-uniform meshes'', Int. J. of Num. Analysis and Modeling 11(2), pp. 303-314, 2014. WIAS-Preprint, (1748).
M. Radziunas, M. Botey, R. Herrero, K. Staliunas, ''Intrinsic beam shaping mechanism in spatially modulated broad area semiconductor amplifiers'', Appl. Phys. Lett. 103(13), 132101, 2013. WIAS-Preprint (1790).
R. Arkhipov, A. Pimenov, M. Radziunas, D. Rachinskii, A. G. Vladimirov, D. Arsenijevic, H. Schmeckebier, D. Bimberg, ''Hybrid mode locking in semiconductor lasers: simulations, analysis and experiments'', IEEE J. of Selected Topics in Quantum Electronics 19(4), 1100208, 2013. WIAS-Preprint (1734).
R. Čiegis, A. Mirinavičius, M. Radziunas, ''Comparison of split step solvers for multidimensional Schrödinger problems'', Computational Methods in Applied Mathematics 13(2), pp. 237-250, 2013.
R. Herrero, M. Botey, M. Radziunas, K. Staliunas, ''Beam shaping in spatially modulated broad area semiconductor amplifiers'', Optics Letters 37(24), pp. 5253-5255, 2012.
V. Tronciu, S. Schwertfeger, M. Radziunas, A. Klehr, U. Bandelow, H. Wenzel, ''Amplifications of picosecond laser pulses in tapered semiconductor amplifiers: Numerical simulations versus experiments'', Opt. Communications 285, pp. 2897-2904, 2012. WIAS-Preprint (1657), 2011.
M. Radziunas, K. Staliunas, ''Spatial rocking in broad area semiconductor lasers'', Europhysics Letters 95, 14002 (6pp), 2011. WIAS-Preprint, (1598).
M. Radziunas, A.G. Vladimirov, E.A. Viktorov, G. Fiol, H. Schmeckebier, D. Bimberg, ''Pulse broadening in quantum-dot mode-locked semiconductor lasers: simulation, analysis and experiments'', IEEE J. of Quantum Electronics 47(7), pp. 935-943, 2011. WIAS-Preprint, (1584).
M. Radziunas, K.-H. Hasler, B. Sumpf, Tran Quoc Tien, H. Wenzel, ''Mode transitions in DBR semiconductor lasers: Experiments, simulations and analysis'', J. Phys. B: At. Mol. Opt. Phys. 44, art. no. 105401, 2011. WIAS-Preprint, (1513).
M. Radziunas, A.G. Vladimirov, E.A. Viktorov, G. Fiol, H. Schmeckebier, D. Bimberg, ''Strong pulse asymmetry in quantum-dot mode-locked semiconductor lasers'', Appl. Phys. Lett. 98, art. no. 031104, 2011. WIAS-Preprint, (1579).
R. Čiegis, M. Radziunas, ''Effective Numerical Integration of Traveling Wave Model for Edge-Emitting Broad-Area Semiconductor Lasers and Amplifiers'', Math. Model. Anal. 15(4), pp. 409-430, 2010.
V.Z. Tronciu, M. Lichtner, M. Radziunas, U. Bandelow, H. Wenzel, ''Improving the stability of distributed-feedback tapered master-oscillator power-amplifiers'', Optical and Quantum Electronics 41(7), pp. 531-537, 2009. WIAS-Preprint, (1444).
R. Čiegis, I. Laukaitytė, M. Radziunas, ''Numerical algorithms for Schrödinger equation with artificial boundary conditions'', Num. Funct. Anal. and Optimization 30(9-10), pp. 903-923, 2009. WIAS-Preprint, (1446).
A. Jechow, M. Lichtner, R. Menzel, M. Radziunas, D. Skoczowsky, A. Vladimirov, ''Stripe-array diode-laser in an off-axis external cavity: Theory and experiment'', Optics Express 17(22), pp. 19599-19604, 2009. WIAS-Preprint, (1442).
M. Spreemann, M. Lichtner, M. Radziunas, U. Bandelow, H. Wenzel, ''Measurement and Simulation of Distributed-Feedback Tapered Master-Oscillators Power-Amplifiers'', IEEE J. of Quantum Electronics 45(6), pp. 609-616, 2009.
M. Radziunas, V.Z. Tronciu, U. Bandelow, M. Lichtner, M. Spreemann, H. Wenzel, ''Mode transitions in distributed-feedback tapered master-oscillator power-amplifier'', Optical and Quantum Electronics 40(14-15), pp. 1103-1109, 2008. WIAS-Preprint, (1366).
R. Ciegis, M. Radziunas, M. Lichtner, ''Numerical algorithms for simulation of multisection lasers by using traveling wave model'', Math. Model. Anal. 13(3), pp. 327-348, 2008. pdf file.
D. Turaev, M. Radziunas, A. Vladimirov, ''Chaotic soliton walk in periodically modulated media'', Phys. Rev. E 77(1), art. no. 065201(R), 2008. WIAS-Preprint, (1262).
O.V. Ushakov, N. Korneyev, M. Radziunas, H.-J. Wünsche, F. Henneberger, ''Excitability of chaotic transients in a semiconductor laser'', Europhysics Letters 79, 30004 (5pp), 2007. pdf file.
M. Lichtner, M. Radziunas, L. Recke, ''Well posedness, smooth dependence and center manifold reduction for a semilinear hyperbolic system from laser dynamics'', Mathematical Methods in Applied Sciences 30(8), pp. 931-960, 2007.
M. Radziunas, A. Glitzky, U. Bandelow, M. Wolfrum, U. Troppenz, J. Kreissl, W. Rehbein, ''Improving the modulation bandwidth in semiconductor lasers by passive feedback'', IEEE J. of Selected Topics in Quantum Electronics 13(1), pp. 136-142, 2007. WIAS-Preprint (1149).
T. Perez, M. Radziunas, H.-J. Wünsche, C.R. Mirasso, F. Henneberger, ''Synchronization properties of two coupled multisection semiconductor lasers emitting chaotic light'', Phot. Techn. Lett. 18(20), pp. 2135-2137, 2006. pdf file.
U. Bandelow, M. Radziunas, A. Vladimirov, B. Hüttl, R. Kaiser, "Harmonic Mode-Locking in Monolithic Semiconductor Lasers: Theory, Simulations and Experiment", Optical and Quantum Electronics 38, pp. 495-512, 2006. WIAS-Preprint, (1039).
B. Hüttl, R. Kaiser, Ch. Kindel, S.Fiddora, W. Rehbein, H. Stolpe, G. Sahin, U. Bandelow, M. Radziunas, A. Vladimirov, H. Heidrich, " Experimental investigations on the suppression of Q-switching in monolithic 40 GHz mode-locked semiconductor lasers", Appl. Phys. Lett. 88, art. no. 221104, 2006. WIAS-Preprint, (1112).
V.Z. Tronciu, H.-J. Wünsche, M. Wolfrum, M. Radziunas, "Semiconductor laser under resonant feedback from a Fabry-Perot resonator: Stability of continuous wave operation", Phys. Rev. E 73, art. no. 046205, 2006. WIAS-Preprint, (1051).
M. Radziunas, ''Numerical bifurcation analysis of traveling wave model of multisection semiconductor lasers'', Physica D 213(1), pp. 98-112, 2006. WIAS-Preprint, (985).
M. Radziunas, F. Ivanauskas, "The convergence and stability of splitting finite difference schemes for nonlinear evolutionary type equations", Lith. Math. Journal 45(3), pp. 413-434, 2005. WIAS-Preprint, (464).
N. Nefedov, M. Radziunas, K. Schneider, A. Vasil'eva, ''Change of the type of contrast structures in parabolic Neumann problems'', Comp. Math. and Math. Physics 45(1), pp. 37-51, 2005. WIAS-Preprint, (984).
N. Nefedov, M. Radziunas, K. Schneider, ''Analytic-numerical investigation of delayed exchange of stabilities in singularly perturbed parabolic problems'', Comp. Math. and Math. Physics 44(7), pp. 1213-1220, 2004. WIAS-Preprint, (839).
S. Bauer, O. Brox, J. Kreissl, B. Sartorius, M. Radziunas , J. Sieber, H.-J. Wünsche, F. Henneberger ''Nonlinear Dynamics of Semiconductor Lasers with Active Optical Feedback'', Phys. Rev. E 69, art. no. 016206, 2004. WIAS-Preprint, (866).
J. Sieber, M. Radziunas, K. Schneider, ''Dynamics of multisection semiconductor lasers'', Math. Model. Anal. 9(1), pp. 51-66, 2004. pdf file.
H.-J. Wünsche, M. Radziunas, S. Bauer, O. Brox, B. Sartorius, ''Modeling of mode control and noise in self-pulsating PhaseCOMB lasers'', IEEE J. of Selected Topics in Quantum Electronics 9(3), pp. 857-864, 2003. WIAS-Preprint, (809).
O. Brox, S. Bauer, M. Radziunas , M. Wolfrum, J. Sieber, J. Kreissl, B. Sartorius, H.-J. Wünsche, ''High-Frequency Pulsations in DFB-Lasers with Amplified Feedback'', IEEE J. of Quantum Electronics 39(11), pp. 1381-1387, 2003. WIAS-Preprint (849).
H.-J. Wünsche, O. Brox, M. Radziunas, F. Henneberger, "Excitability of a semiconductor laser by a two-mode homoclinic bifurcation", Phys. Rev. Lett. 88(2), art. no. 023901, 2002. pdf file.
M. Möhrle, B. Sartorius, C. Bornholdt, S. Bauer, O. Brox, A. Sigmund, R. Steingrüber, M. Radziunas, H.-J. Wünsche, ''Detuned grating multisection-RW-DFB lasers for high-speed optical signal processing'', IEEE J. of Selected Topics in Quantum Electronics 7(2), pp. 217-223, 2001. pdf file.
U. Bandelow, M. Radziunas, J. Sieber, M. Wolfrum, ''Impact of gain dispersion on the spatio-temporal dynamics of multisection lasers'', IEEE J. of Quantum Electronics 37(2), pp. 183-188, 2001. WIAS-Preprint 597 .
M. Radziunas, H.-J. Wünsche, B. Sartorius, O. Brox, D. Hoffmann, K. Schneider, D. Marcenac, ''Modeling self-pulsating DFB lasers with an integrated phase tuning section'', IEEE J. of Quantum Electronics 36(9), pp. 1026-1034, 2000. WIAS-Preprint 516 .
F. Ivanauskas, M. Radziunas, ''On convergence and stability of the explicit difference method for solution of nonlinear Schrödinger equations'', SIAM J. Numer. Anal. 36(5), pp. 1466-1481, 1999. pdf file.
M. Radziunas, F. Ivanauskas, ''The stability conditions of finite difference schemes for Schrödinger, Kuramoto-Tszuki and heat equations'', Math. Model. Anal. 3, pp. 177-194, 1998. pdf file.
R. Buzelis, A. Dementjev, Y. Kosenko, E. Murauskas, R. Navakas, M. Radziunas, ''Generation of short pulses with low jitter in combined actively and passively Q-switched Nd:YAG laser with short resonator [in Russian]'', Lithuanian J. of Physic 38(3), pp. 286-297, 1998.
F. Ivanauskas, M. Radziunas, ''The convergence and stability of the explicit difference scheme for nonlinear Schrödinger equation'', Math. Model. Anal. 2, pp. 66-74, 1997. pdf file.
F. Ivanauskas, M. Radziunas, ''Stability and convergence of Du Fort-Frankel difference schemes for a nonlinear equation of Schrödinger type'', Lithuanian Math. J. 37(3), pp. 249-263, 1997. pdf file.
R. Buzelis, A. Dementjev, F. Ivanauskas, Y. Kosenko, E. Murauskas, M. Radziunas, ''Determination of cross-section of passive Cr⁴⁺: GSGG and Cr⁴⁺: YAG Q-switches at the generation wavelength of Nd:YAG laser [in Russian]'', Lithuanian J. of Physic 37(4), pp. 291-298, 1997.
M. Radziunas, ''Convergence and stability of difference schemes for a system of nonlinear equations of Schrödinger type [in Russian]'', Math. Model. Anal. 1, pp. 53-55, 1996.
M. Radziunas, ''On convergence and stability of difference schemes for nonlinear Schrödinger type equations'', Lithuanian Math. J. 36(2), pp. 178-194, 1996. pdf file.
R. Buzelis, R. Vaiciekauskas, A. Dement'jev, F. Ivanauskas, Y. Kosenko, E. Murauskas, M. Radziunas, ''Numerical analysis and experimental investigation of generation, SBS compression and amplification of ND: YAG laser short pulses [in Russian]'', Izv. Ros. Akad. Nauk Ser. Fizika 60, pp. 168-177, 1996.

Books, book chapters

M. Radziunas, ''Traveling wave modeling of nonlinear dynamics in multisection semiconductor laser diodes'', Chapter 31 in J. Piprek (Ed.), Handbook of Optoelectronic Device Modeling and Simulation: Lasers, Modulators, Photodetectors, Solar Cells, and Numerical Methods, Vol. 2, pp. 153-182, CRC Press, 2017. WIAS-Preprint (2261).
M. Radziunas, ''Modeling and simulations of edge-emitting broad-area semiconductor lasers and amplifiers'', In R. Wyrzykowski et al.(Eds.), PPAM 2015, Part II, LNCS 9574, pp. 269-276, Springer, 2016. ISBN: 978-3-319-32151-6.
S. Kumar, W.W. Ahmed, R. Herrero, M. Botey, M. Radziunas, K. Staliunas, ''Stabilization of broad area semiconductor amplifiers by spatially modulated potentials'', in Nonlinear Dynamics: Materials, Theory and Experiments, eds. M. Tlidi, M. G. Clerc, Vol. 173, of the series Springer Proceedings in Physics, pp. 139-151, 2015. ISBN: 978-3-319-24869-1 (Print) 978-3-319-24871-4 (Online)
M. Radziunas, ''Semiconductor lasers for information processing'', in MATHEON - Mathematics for Key Technologies, EMS Series in Industrial and Applied Mathematics, vol. 1, eds. P. Deuflhard et al., pp. 276-277, EMS Publishing, 2014.
M. Radziunas, R. Čiegis, ''Modeling and simulations of beam stabilization in edge-emitting broad area semiconductor devices'', In R. Wyrzykowski et al.(Eds.), PPAM 2013, Part II, LNCS 8385, pp. 332-342, Springer, 2014. ISBN: 978-3-642-55194-9 WIAS-Preprint, (1806).
I. Laukaityte, R. Ciegis, M. Lichtner, M. Radziunas, ''Parallel numerical algorithm for the traveling wave model'', in Parallel Scientific Computing and Optimization. Springer Optimization and Its Applications, eds. R. Ciegis, D. Henty, B. Kagstrom and J. Zilinskas, Vol. 27, Springer, pp. 237-251, 2009. ISBN 978-0-387-09706-0.
M. Radziunas, H.-J. Wünsche, ''Multisection Lasers: Longitudinal Modes and their Dynamics'', in Optoelectronic Devices - Advanced Simulation and Analysis, pp. 121-150, ed. J. Piprek, Springer Verlag, New York, 2005. ISBN: 0-387-22659-1 WIAS-Preprint, (939).

Publications in conference proceedings

M. Radziunas, E. Kuhn, H. Wenzel, B. King, and P. Crump, “Calculation of optical modes in large emission area photonic crystal surface-emitting lasers,” in Proceedings of the 23th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2023), Turin, Italy, September 18-21, pp. 89-90, 2023, DOI: 10.1109/NUSOD59562.2023.10273475. pdf file.
M. Radziunas, "Steady states in dynamical semiconductor laser models and their analysis," in Proceedings of the 22th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2022), Turin, Italy, September 12-16, 2022, pp. 49-50, DOI: 10.1109/NUSOD54938.2022.9894775. pdf file.
A. Zeghuzi, J.-P. Koester, M. Radziunas, H. Christopher, H. Wenzel, and A. Knigge, "Narrow lateral far field divergence obtained with spatially modulated broad-area lasers," in 27th International Semiconductor Laser Conference (ISLC), Potsdam, Germany, October 10-14, 2021, paper TuP2.6, ISBN 978-1-6654-4133-9.
M. Radziunas and D.M. Kane, "Semiconductor Laser with Delayed Optical Feedback - What Simulations Tell Us That We Didn't Know," in 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), OSA Technical Digest, Sydney Australia, 3-5 August 2020, paper C4C_4, 2020. DOI: 10.1364/CLEOPR.2020.C4C_4.
M. Radziunas, J. Montiel-Ponsoda, G. Garre-Werner, and V. Raab, "Simulation of cascaded polarization-coupled systems of broad-area semiconductor lasers," in Proceedings of the 20th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2020), Turin, Italy, September 14-18, 2020, pp. 97-98, doi: 10.1109/NUSOD49422.2020.9217764. pdf file.
U. Bandelow, M. Radziunas, A. Zeghuzi, H.-J. Wünsche, and H. Wenzel, "Dynamics in high-power diode lasers," in SPIE Proceedings Series, (11356), art. no. 113560W, 2020. WIAS-Preprint (2715).
G. Garre-Werner, J. Montiel-Ponsoda, V. Raab, G. Safont, C. Bree, M. Radziunas, C. Cojocaru, and K. Staliunas, "1 kW cw fiber-coupled diode laser with enhanced brightness," in SPIE Proceedings Series, (11262), art. no. 1126202, 2020.
J.-P. Koester, M. Radziunas, A. Zeghuzi, H. Wenzel, and A. Knigge, "Traveling wave model-based analysis of tapered broad-area lasers," in SPIE Proceedings Series, (11274), art. no. 112740I, 2020.
A. Zeghuzi, H.-J. Wünsche, H. Wenzel, J. P. Koester, M. Radziunas, U. Bandelow, and A. Knigge, "Traveling-wave simulations of broad-area lasers," in IEEE High Power Diode Lasers and Systems Conference (HPD), Coventry, United Kingdom, October 9-10, 2019. doi: 10.1109/HPD48113.2019.8938680.
J.-P. Koester, M. Radziunas, A. Zeghuzi, H. Wenzel, and A. Knigge, "Traveling wave model based simulation of tunable multi-wavelength diode laser systems," in Proceedings of the 19th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2019), J. Piprek and K. Hinzer, eds., IEEE Conference Publications Management Group, Piscataway, 2019, pp. 75-76. Ottawa, Canada, July 8-12, 2019. pdf file.
C. Bree, V. Raab, D. Gailevicius, V. Purlys, K. Staliunas, A. Rathsfeld, U. Bandelow, and M. Radziunas, "Genetically optimized photonic crystal for spatial filtering of reinjection into broad-area diode lasers," in Proc. of the CLEO Europe/EQEC Conference, EJ-P.7 WED, Munich, June 23-27, 2019. pdf file.
C. Bree, V. Raab, J. Montiel, G. Garre Werner, K. Staliunas, U. Bandelow, and M. Radziunas, "Lyot spectral filter for polarization beam combining of high-power, broad-area diode lasers: modeling, simulations, and experiments," in Proc. of the CLEO Europe/EQEC Conference, CB-P.13 MON, Munich, June 23-27, 2019. pdf file.
M. Radziunas, D.J. Little, and D.M. Kane, "A new approach to modelling the coherence of optical feedback in dynamical semiconductor laser systems", in 2018 Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD), Perth, Australia, December 9-13, 2018, DOI: 10.1109/COMMAD.2018.8932352, pdf file.
M. Radziunas, J. Fuhrmann, A. Zeghuzi, H.-J. Wünsche, Th. Koprucki, H. Wenzel, and U. Bandelow, "Efficient coupling of heat-flow and electro-optical models for simulation of dynamics in high-power broad-area semiconductor lasers", in Proceedings of the 18th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2018), J. Piprek, A.B. Djurisic, eds., IEEE Conference Publications Management Group, Piscataway, 2018, pp. 91-92. Hong Kong, China, November 5-9, 2018.
M. Radziunas, U. Bandelow, C. Bree, V. Raab, H. Wenzel, and A. Zeghuzi, "Modeling and simulation of high-power broad-area semiconductor lasers with optical feedback from different external cavities", in Proc. of 26th IEEE International Semiconductor Laser Conference (ISLC 2018) , pp. 1-2, 2018. Santa Fe, New Mexico, USA, September 16-19, 2018. pdf file.
V. Tronciu, H. Wenzel, M. Radziunas, M. Reggentin, J. Wiedmann, A. Knigge, "Numerical and experimental studies of a distributed Bragg reflector laser", in Proc. of the 6th International Conference on Telecommunications, Electronics and Informatics (ICTEI 2018), S. Andronic, I. Tighineanu, and V. Tronciu eds., Technical University of Moldova, Chisinau, pp. 105--108, 2018. pdf file.
A. Zeghuzi, M. Radziunas, H. Wenzel, H.-J. Wünsche, U. Bandelow, A. Knigge, ''Modeling of current spreading in high-power broad-area lasers and its impact on the lateral far field divergence'', in SPIE Proceedings Series, (10526), art. no. 105261H, 2018. WIAS-Preprint, (2488).
M. Khoder, M. Radziunas, V. Tronciu, J. Danckaert, and G. Verschaffelt, ''Tuning the emission of micro ring lasers using integrated optical feedback: experiments and traveling wave simulations'', in Advanced Photonics 2018 (BGPP, IPR, NP, NOMA, Sensors, Networks, SPPCom, SOF), OSA Technical Digest (online) (Optical Society of America, 2018), paper JTu5A.10, Zurich, Switzerland, 2-5 July 2018, ISBN: 978-1-943580-43-9.
M. Radziunas, A. Zeghuzi, J. Fuhrmann, Th. Koprucki, H.-J. Wünsche, H. Wenzel, U. Bandelow, ''Efficient coupling of inhomogeneous current spreading and electro-optical models for simulation of dynamics in broad-area edge-emitting semiconductor lasers'', Proc. of the 17th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2017) , J. Piprek, M. Willatzen, eds., IEEE Conference Publications Management Group, Piscataway, 2017, pp. 231-232. Lyngby, Copengahen, Denmark, July 24-28, 2017.
A. Zeghuzi, M. Radziunas, A. Klehr, H.-J. Wünsche, H. Wenzel, A. Knigge, ''Influence of nonlinear effects on the characteristics of pulsed high-power BA DBR lasers'', Proc. of the 17th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 2017) , J. Piprek, M. Willatzen, eds., IEEE Conference Publications Management Group, Piscataway, 2017, pp.233-234. Lyngby, Copengahen, Denmark, July 24-28, 2017.
M. Radziunas, ''A multi-mode delay differential equation model for lasers with optical feedback'', Proc. of the 16th Int. Conf. on Numerical Simulation of Optoelectronic Devices (NUSOD 16) , J. Piprek, Ch. Poulton, M. Steel, M. de Sterke, eds., IEEE Conference Publications Management Group, Piscataway, 2016, pp.13-14. Sydney, Australia, July 11-15, 2016. DOI: 10.1109/NUSOD.2016.7547070, pdf file.
W.W. Ahmed, S. Kumar, R. Herrero, M. Botey, M. Radziunas, K. Staliunas, ''Suppression of modulation instability in pump modulated flat-mirror VECSELs,'' in SPIE Proceedings Series, (9894), art. no. 989406, 2016. doi:10.1117/12.2227801
M. Radziunas, R. Herrero, M. Botey, K. Staliunas, ''Beam shaping in spatially modulated broad area edge-emitting semiconductor lasers'', in Proc. of the CLEO Europe/IQEC Conference, CB-P.3 MON, Munich, June 21-25, 2015. pdf file.
S. Kumar, W.W. Ahmed, M. Radziunas, M. Botey, R. Herrero, K. Staliunas, ''Taming the modulation instability in semiconductor lasers'', in Proc. of the 17th International Conference on Transparent Optical Networks (ICTON), TU.C5.3, Budapest, Hungary, July 5-9, 2015.
M. Radziunas, V.Z. Tronciu, E. Luvsandamdin, Ch. Kürbis, A. Wicht, H. Wenzel, ''Coexistence of multiple stable continuous-wave states in micro-integrated external-cavity diode lasers'', in Proc. of the CLEO Europe/IQEC Conference, CB-P.28 MON, Munich, May 21-25, 2015. pdf file.
M. Radziunas, ''Nonlinear dynamics in mode locked lasers: modeling, simulations and analysis'', in Proc. of the 5th International Conference on Telecommunications, Electronics and Informatics (ICTEI 2015), V. Kantser, S. Andronic, eds., Technical University of Moldova, Chisinau, May 20-23, pp. 94--97, 2015. pdf file.
V.Z. Tronciu, M. Radziunas, H. Wenzel, ''Stationary states of external cavity diode laser'', in Proc. of the 5th International Conference on Telecommunications, Electronics and Informatics (ICTEI 2015), V. Kantser, S. Andronic, eds., Technical University of Moldova, Chisinau, May 20-23, pp. 58--59, 2015.
M. Radziunas, "Simulations and analysis of beam shaping in spatially modulated broad area edge-emitting devices", Proc. of the 24th IEEE International Semiconductor Laser Conference (ISLC 2014) , Palma de Mallorca, Spain, September 7-10, pp. 19 - 20, 2014. DOI: 10.1109/ISLC.2014.142 pdf file.
M. Radziunas, ''Longitudinal mode analysis of multisection ring and edge-emitting semiconductor lasers'', Proc. of the 14th Int. Conf. on Numerical Simulation of Optoelectronic Devices NUSOD 14 , J. Piprek, J. Javaloyes, eds., Palma de Mallorca, Spain, September 1-4, pp. 133-134, 2014. DOI: 10.1109/NUSOD.2014.6935392 pdf file.
M. Radziunas, V.Z. Tronciu, E. Luvsandamdin, C. Kürbis, A. Wicht, H. Wenzel, ''Investigations of external cavity diode lasers: simulations, analysis and experiments'', Proc. of the 14th Int. Conf. on Numerical Simulation of Optoelectronic Devices NUSOD 14 , J. Piprek, J. Javaloyes, eds., Palma de Mallorca, Spain, September 1-4, pp. 149-150, 2014.
V.Z. Tronciu, M. Radziunas, E. Luvsandamdin, C. Kürbis, A. Wicht, H. Wenzel, ''Simulations and experiments of external cavity diode lasers'', Proc. of the 7th Int. Conf. on Materials Science and Condensed Matter Physics, Chisinau, Moldova, September 16-19, p. 47, 2014.
R. Herrero, S. Kumar, M. Radziunas, M. Botey, K. Staliunas, "Improving beam quality in broad area semiconductor amplifiers", Proc. of the 16th International Conference on Transparent Optical Networks (ICTON 2014) , Graz, Austria, July 6-10, pp. 45 - 47, 2014. DOI: 10.1109/ICTON.2014.6876275
R.M. Arkhipov, M. Radziunas, A.G. Vladimirov, "Theoretical analysis of the influence of external periodic forcing on nonlinear dynamics of passively mode-locked semiconductor lasers" Proc. of the XIV School Seminar Wave Phenomena in Inhomogeneous Media (Waves 2014), Section 9, Nonlinear dynamics and information systems (in electronic form and in Russian), Moscow, Russia, May 26-31, pp. 3--6, 2014.
M. Radziunas, R. Herrero, M. Botey, K. Staliunas, ''Simulations and analysis of beam quality improvement in spatially modulated broad area edge-emitting devices'', in SPIE Proceedings Series, (9134), art. no. 91340Q, 2014. WIAS-Preprint, (1946).
M. Murad, M. Sorel, J.H. Marsh, A.C. Coleman, T. Ackemann, G.-L. Oppo, M. Strain, M. Radziunas, M. Botey, R. Herrero, K. Staliunas, ''Control and enhancement of beam quality of broadarea semiconductor devices and arrays by multimode interference couplers and two-dimensional gain modulation'', High Power Diode Lasers and Systems Conference (HPD), Coventry, UK, October 16-17, pp. 8-9, 2013. DOI: 10.1109/HPD.2013.6706592
R. Herrero, M. Botey, M. Radziunas, K. Staliunas, ''Beam shaping in spatially modulated broad area semiconductor amplifiers'', in Proc. of the CLEO Europe/IQEC Conference, IG-2.4 WED, Munich, May 12-16, 2013. pdf file.
M. Radziunas, R. Herrero, M. Botey, K. Staliunas, ''Theoretical study of beam quality improvement in spatially modulated broad area edge-emitting devices'', in Proc. of the CLEO Europe/IQEC Conference, CB-P.38 MON, Munich, May 12-16, 2013. pdf file.
M. Radziunas, ''Traveling wave modelling and mode analysis of semiconductor ring lasers'', in Proc. of the CLEO Europe/IQEC Conference, CB-P.37 MON, Munich, May 12-16, 2013. pdf file.
M. Radziunas, K. Staliunas, ''Spatial"rocking" for improving the spatial quality of the beam of broad area semiconductor lasers'', in SPIE Proceedings Series, (8432), art. no. 84320Q, 2012. WIAS-Preprint, (1703).
M. Radziunas, K. Staliunas, "Spatial "rocking" in broad emission area semiconductor lasers", in Proc. of the CLEO Europe/EQEC Conference, CB5.2 WED, Munich, May 22-26, 2011. pdf file.
M. Radziunas, A.G. Vladimirov, E.A. Viktorov, G. Fiol, H. Schmeckebier, D. Bimberg, "Strong asymmetry of mode-locking pulses in quantum-dot semiconductor lasers", in Proc. of the CLEO Europe/EQEC Conference, CB3.5 TUE, Munich, May 22-26, 2011. pdf file.
M. Lichtner, M. Radziunas, V. Z. Tronciu, A. Jechow, "Self-formation and synchronization of emitters in broad area lasers in external cavities", in Proc. of the CLEO/QELS Conference, San Jose, CA, USA, May 16-21, 2010.
M. Radziunas, A.G. Vladimirov, E. Viktorov, ''Traveling wave modeling, simulation and analysis of quantum-dot mode-locked semiconductor lasers'', in SPIE Proceedings Series, (7720), art. no. 77200X, 2010. WIAS-Preprint, (1506).
A. Jechow, D. Skoczowsky, M. Lichtner, M. Radziunas, R. Menzel, "High-brightness emission from stripe-array broad area diode lasers operated in off-axis external cavities", in SPIE Proceedings Series, (7583), art. no. 758312, 2010.
V.Z. Tronciu, M. Lichtner, M. Radziunas, U. Bandelow, H. Wenzel, "Dynamics and stability improvement of DFB tapered master-oscillator power-amplifiers", Proc. of the 6th International Conference on Microelectronics and Computer Science , Chisinau, Republic of Moldova, October 1-3, pp. 15-18, 2009. pdf file.
V.Z. Tronciu, M. Lichtner, M. Radziunas, U. Bandelow, H. Wenzel, "Improving the stability of distributed-feedback tapered master-oscillator power-amplifiers", Proc. of the 9th Int. Conf. on Numerical Simulation of Optoelectronic Devices NUSOD 09 , J. Piprek, Yong-Tak Lee, eds., pp. 55-56, 2009. pdf file.
M. Radziunas, A.G. Vladimirov, E. Viktorov, "Traveling wave modeling of mode-locked quantum dot semiconductor lasers", in Proc. of the CLEO Europe/EQEC Conference, CB4.4 TUE, Munich, June 14-19, 2009. pdf file.
M. Radziunas, "Simulation of switching between stable unidirectional states in semiconductor ring lasers", in Proc. of the CLEO Europe/EQEC Conference, CB.P.12 TUE, Munich, June 14-19, 2009. pdf file.
V.Z. Tronciu, M. Lichtner, M. Radziunas, U. Bandelow, H. Wenzel, "Calculation of improved features of distributed-feedback tapered master-oscillator power-amplifiers", in Proc. of the CLEO Europe/EQEC Conference, CB.P.30 TUE, Munich, June 14-19, 2009. pdf file.
M. Radziunas, ''Traveling wave modeling of semiconductor ring lasers'', in SPIE Proceedings Series, (6997), art. no. 69971B, 2008. WIAS-Preprint, (1315).
M. Lichtner, M. Radziunas, U. Bandelow, M. Spreemann, H. Wenzel, ''Dynamic simulation of high brightness semiconductor lasers'', 8th Int. Conf. on Numerical Simulation of Optoelectronic Devices NUSOD 08 , J. Piprek, E. Larkins, eds., Nottingham, UK, September 1-5, 2008. pdf file.
J. Kreissl, U. Troppenz, W. Rehbein, T. Gaertner, P. Harde, M. Radziunas, ''40 Gb/s direct modulated passive feedback laser with complex-coupled DFB section'', in Proc. of the 33rd European Conf. on Optical Communications ECOC 2007, Vol. 3, pp 213-214, 8.1.4, Berlin, Germany, September 16-20 2007. pdf file.
M. Radziunas, U. Troppenz, J. Kreissl, ''Tailoring single-mode DFB laser with integrated passive feedback section for direct modulation applications'', in Proc. of the CLEO Europe/IQEC Conference, CB-35-WED, Munich, June 17-22, 2007. pdf file.
O. Ushakov, H-J. Wünsche, F. Henneberger, M.~Radziunas, ''Excitability of Chaotic Transients in a Semiconductor Laser'', in Proc. of the CLEO Europe/IQEC Conference, IG6-2-THU, Munich, June 17-22, 2007. pdf file.
T. Perez, C.R. Mirasso, H-J. Wünsche, F. Henneberger, M.~Radziunas, I. Fischer, ''Synchronization of Chaotic Unidirectionally Coupled Multisection Lasers'', in Proc. of the CLEO Europe/IQEC Conference, JSI3-2-THU, Munich, June 17-22, 2007. pdf file.
U. Troppenz, J. Kreissl, W. Rehbein, C. Bornholdt, T. Gaertner, M. Radziunas, A. Glitzky, U. Bandelow, M. Wolfrum, ''40 Gb/s directly modulated InGaAsP passive feedback DFB laser'', in ECOC Proceedings Series , Postdeadline session, paper Th 4.5.5, 2006. pdf file.
T. Perez, M. Radziunas, H.-J. Wünsche, C.R. Mirasso, F. Henneberger, ''Chaos synchronization of unidirectionally coupled multisection lasers'', in ECOC Proceedings Series , CLEO Focus Meeting on Chaotic Optical Systems and Applications, paper Tu 3.1.5, 2006. pdf file.
M. Radziunas, H.-J. Wünsche, B. Krauskopf, M. Wolfrum, " External cavity modes in Lang-Kobayashi and traveling wave models", in SPIE Proceedings Series, (6184), art. no. 61840X, 2006. WIAS-Preprint, (1111).
M. Radziunas, U. Bandelow, M. Wolfrum, U. Troppenz, J. Kreissl, A. Glitzky, R. Hünlich, ''Design of multisection laser for 40 Gb/s direct modulation'', in Proc. of the 31st European Conf. on Optical Communications ECOC 2005, Vol. 3, pp 677-678, We4.P.088, Glasgow, UK, September 25-29 2005. pdf file.
V.Z. Tronciu, M. Radziunas, H.-J. Wünsche, M. Wolfrum, ''Resonant coupling of a semiconductor laser to a Fabry-Perot resonator'', in Proc. of the European Quantum Electronics Conference, EQEC'05, EA5-2-TUE, art. no. 1567197, pp. 25, 2005.
M. Radziunas, ''Tailoring the dynamics of multisection lasers for 40 Gb/s direct modulation'', in Proc. of the 5th Int. Conf. on Numerical Simulation of Optoelectronic Devices NUSOD 05 (ed. H.-J. Wünsche, J. Piprek, U. Bandelow, H. Wenzel), pp 29-30, Berlin, Germany, September 19-22 2005. IEEE Catalog Number: 05EX1074. pdf file.
U. Troppenz, M. Hamacher, M. Radziunas, H. Heidrich, ''Optical switching of clokwise/anti-clokwise lasing in bus coupled microrings'', in Proc. of the 17th Int. Conf. on Indium Phosphide and Related Materials IPRM 05 (ed. I. Thayne, J. Marsh, C. Bryce), Glasgow, Scotland, UK, May 8-12 2005. IEEE Catalog Number: 05CH37633C. pdf file.
N. Korneyev, M. Radziunas, H.-J. Wünsche, F. Henneberger, ''Mutually injecting semiconductor lasers: simulations for short and zero delay'', in SPIE Proceedings Series, (5452), pp. 63-70, 2004. pdf file.
S. Bauer, O. Brox, M. Biletzke, J. Kreissl, M. Radziunas, B. Sartorius, H.-J. Wünsche, ''Speed potential of active feedback lasers'', in Proc. of the CLEO Europe Conference, Munich, June 22-27, 2003. art. no. 1312237, pp. 176, 2003.
U. Bandelow, M. Radziunas, ''Simulation of mode-locked lasers with LDSL-tool'', in Proc. of the CLEO Europe Conference, Munich, June 22-27, 2003. INSPEC Accession Number: 8142863
N. Korneyev, M. Radziunas, H.-J. Wünsche, F. Henneberger, ''Bifurcations of a DFB Laser with Short Optical Feedback: Numerical Experiment'', in SPIE Proceedings Series, (4986), pp. 480-489, 2003. pdf file.
M. Radziunas, H.-J. Wünsche, ''LDSL: a tool for simulation and analysis of longitudinal dynamics in multisection semiconductor laser'', in Proceedings of 2nd International Conference on Numerical Simulations of Optoelectronic Devices (NUSOD-02), Zürich, pp. 26-27, 2002. pdf file.
M. Radziunas, H.-J. Wünsche, ''Dynamics of multisection DFB semiconductor laser: traveling wave and mode approximation models'', in SPIE Proceedings Series, (4646), pp. 27-37, 2002. WIAS-Preprint 713 .
M. Radziunas, H.-J. Wünsche, O. Brox, F. Henneberger, ''Excitability of a DFB laser with short external cavity'', in SPIE Proceedings Series, (4646), pp. 420-428, 2002. WIAS-Preprint 712 .
V.Z. Tronciu, H.-J. Wünsche, M. Radziunas, K. Schneider, ``Excitability of laser with integrated dispersive reflectors'', in SPIE Proceedings Series, (4283), pp.347-354, 2001. WIAS-Preprint 631 .
H.-J. Wünsche, M. Radziunas, H.-P. Nolting, ''Modeling of devices for all-optical 3R-regeneration'', in Integrated Photonics Research, vol. 58 of Trends in Optics and Photonics, Washington, pp. IWA 1-3, 2001. pdf file.
U. Bandelow, M. Radziunas, V. Tronciu, H.-J. Wünsche, F. Henneberger, ''Tailoring the dynamics of diode lasers by dispersive reflectors'', in SPIE Proceedings Series, (3944), pp. 536-545, 2000. pdf file.
M. Möhrle, B. Sartorius, C. Bornholdt, S. Bauer, O. Brox,A. Sigmund, M. Radziunas, H.-J. Wünsche, ''Detuned grating multi-section-RW-DFB-lasers for high speed opticalsignal processing'', in 17th International Semiconductor Laser Conference Digest, Monterey, CA, pp. 143-144, 2000. ISBN: 0-7803-6259-4
M. Radziunas, H.-J. Wünsche, B. Sartorius, H.-P. Nolting, K. Schneider, O. Brox and D. Hoffmann, ''Modeling of new grating designs for self-pulsating DFB lasers'', in Integrated Photonics Research, OSA Technical Digest, Optical Society of America, Washington DC, pp. 358-360, 1999. pdf file.

Preprints, reports, submitted publications

H. Wenzel, E. Kuhn, B. King, P. Crump, and M. Radziunas, "Theory of the linewidth-power product of photonic-crystal surface-emitting lasers," (arXiv:2402.11246 [physics.optics]), 2024.
D. M. Kane and M. Radziunas, "Chaos spectrum -- semiconductor laser with delayed optical feedback," (arXiv:2312.14353 [physics.optics]), 2023.
M. Radziunas, E. Kuhn, H. Wenzel, B. King, and P. Crump "Optical mode calculation in large-area photonic crystal surface-emitting lasers," WIAS Preprint, (3075), 2023.
M. Radziunas, E. Kuhn, H. Wenzel, "Solving a spectral problem for large-area photonic crystal surface-emitting lasers," WIAS Preprint, (3059), 2023.
M. Radziunas, "Mathematical modeling and numerical simulations of diode lasers with micro-integrated external resonators," WIAS-Technical Report (15), 2016.
M. Lichtner, M. Radziunas, "Well posedness and smooth dependence for a semilinear hyperbolic system with nonsmooth data," Preprint of DFG Research Center Matheon, (174), 2004.
M. Radziunas, "Sampling techniques applicable for the characterization of the quality of self pulsations in semiconductor lasers," WIAS-Technical Report, (2), 2002.

Master and PhD Thesis

M. Radziunas, "Some Aspects in the Solution of the Boundary Value Problems for one Equation of Gas Dynamics", Master Thesis, Moscow State University, 1992.
M. Radziunas, "The Investigation of Evolutionary Type Equations", PhD Thesis, Vilnius University, Lithuania, 1996.