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A. B. Kozyrev was born in Gorky (now Nizhny Novgorod), Russia, in 1971. He received the Diploma (with distinction) in Radiophysics and Electronics from Nizhny Novgorod State University, Russia, in 1993 and Ph. D. Degree (Candidate of Science Degree in Physics and Mathematics) from Institute for Physics of Microstructures of Russian Academy of Sciences in 2001. During 1993-1994, he was with the Institute of Applied Physics of RAS. In 1994, he joined the Institute for Physics of Microstructures of RAS. Since 2003, he is a Research Associate with the University of Wisconsin-Madison. His research interests include wave propagation phenomena in nonlinear transmission lines and their applications in microwave electronics, left-handed metamaterials, ultrafast phenomena in semiconductors and semiconductor heterostructures, nanophotonics and nanoplasmonics. He was a Graduate Student Grantee in 1996 and 1997. His research has led to over 40 publications. Publications (vdW Group)A. B. Kozyrev, H.Kim, and D. W. van der Weide, “Parametric Amplification in Left-Handed Transmission Line Media”, Appl. Phys. Lett. Vol. 88, no. 26, p. 264101 (26 June 2006). A. B. Kozyrev and D.W. van der Weide, “Reply to Comment on “Explanation of the Inverse Doppler Effect Observed in Nonlinear Transmission Lines”, in press, Phys. Rev. Lett. (2005) Presentations (vdW Group)Publications (previous groups)10. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Population inversion and generation of terahertz radiation in GaN-based nanometer heterostructures”, Izvestiya RAN. Seriya Fizicheskaya [Physics], vol. 67, no. 2, pp. 265-268 (2003). 11. A. B. Kozyrev, "The Structure of a Shock Electromagnetic Wave Synchronous with Several Waves Propagating in Coupled Transmission Lines with Different Types of Dispersion," Technical Physics, vol. 47, no. 2, pp. 272-274, 2002. 12. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Population inversion and possibility of THz emission in nanoscale heterostructures based on GaN”. Abstracts of the symposium on Nanophotonics. Nizhny Novgorod. 11-14 March 2002, pp. 157-280 (in Russian). 13. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Population inversion and negative differential conductivity in GaN based heterostructures at therahertz frequencies”, XXVI Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe (WOCSDICE), Chernogolovka, Russia, 21-25 May 2002, pp. 157-158. 14. A. B. Kozyrev, “Generation of short radio pulses in bi-modal electrodynamic system filled by asymmetric multilayer heterostructure”, XXVI Workshop on Compound Semiconductor Devices and Integrated Circuits held in Europe (WOCSDICE), Chernogolovka, Russia, 21-25 May 2002, pp. 159-160. 15. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Population inversion and possibility of THz generation in nanostructures on the basis of GaN”, Abstracts of International Conference on Superlattices, Nano-structures and Nano-Devices. 22-26 July 2002, Toulouse, France, p. II-P114. 16. A. B. Kozyrev, "Generation of high-frequency radiation in bi-modal electrodynamic system filled by asymmetric multilayer heterostructure," presented at Conference Digest. Twenty Seventh International Conference on Infrared and Millimeter Waves, 22-26 Sept. 2002, San Diego, CA, USA, 2002. 17. A. M. Belyantsev and A. B. Kozyrev, "Multilayer heterostructures with asymmetric barriers as new components for nonlinear transmission lines to generate high-frequency oscillations in the 100-300 GHz range," International Journal of Infrared and Millimeter Waves, vol. 23, no. 10, pp. 1475-1500, October 2002. 18. A. M. Belyantsev and A. B. Kozyrev, "Reversed Doppler Effect under Reflection from a Shock Electromagnetic Wave," Technical Physics, vol. 47, no. 11, pp. 1477-1480, 2002. 19. A. B. Kozyrev, A. M. Belyantsev, «Generation and frequency transformation of high-frequency radiation in bi-modal electrodynamic system filled by asymmetric heterostructure», Material Science Forum, Vols. 384-385, pp. 227-230 (2002). 20. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, «Dynamic negative differential conductivity due to hot electron transient time effects in momentum space», Material Science Forum, Vols. 384-385, pp. 139-142 (2002). 21. Ph.D. dissertation on the subject of “ Direct video to radio pulse transformation in magnetic transmission lines and transmission lines on the basis of semiconductor heterostructures “. 22. A. M. Belyantsev and A. B. Kozyrev, «RF Oscillations Generated by an Electromagnetic Shock Wave in Coupled Transmission Lines with Anomalous and Normal Dispersion», Technical Physics, vol. 46, no. 7, pp. 864-867 (2001). 23. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, «Dynamic negative differential conductivity due to hot electron transient time effects in momentum space», 11-th International Symposium on Ultrafast Phenomena in Semiconductors, Lithuania, Vilnius, 26-29 August 2001, Abstracts, pp. 42-43. 24. A. B. Kozyrev, «Generation and frequency transformation of high-frequency radiation in bi-modal electrodynamic system filled by asymmetric heterostructure», 11-th International Symposium on Ultrafast Phenomena in Semiconductors, Lithuania, Vilnius, 26-29 August 2001, Abstracts, pp. 86-87. 25. V. A. Kozlov, A. B. Kozyrev, «Dynamic negative differential conductivity of hot electrons due to transit time effects in momentum space”, Abstracts of the 5-th Russian Conference of Physics of Semiconductors, p. 264, 10-14 September 2001, Nizhny Novgorod, Russia [in Russian]. 26. A. M. Belyantsev, A. B. Kozyrev, “Optimization of the parameters of multilayer heterostructure with asymmetric barriers as nonlinear medium for excitation of backward waves and generation of rf radiation in the frequency range 100-300GHz”, Abstracts of the 5-th Russian Conference of Physics of Semiconductors, p. 294, 10-14 September 2001, Nizhny Novgorod, Russia [in Russian]. 27. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Advantages of GaN-based heterostructures for THz generation”, Light Emitting Diodes and Lasers, vol. 1, p. 13, October 2001 [in Russian]. 28. V. A. Kozlov, A. B. Kozyrev, A. V. Samokhvalov, “Advantages of GaN-based heterostructures for THz generation”, Abstracts of the Russian Conference “Nitrides of Galium, Indium and aliminium: Structures and Devices”, Moscow, 1-2 November 2001, p. 16 [in Russian]. 29. A. M. Belyantsev, A. B. Kozyrev, «Direct transformation of a video pulse into a radio pulse in coupled transmission lines with normal and anomalous dispersion», Radiophysics and Quantum Electronics, vol. 44, no. 11, pp. 892-899, 2001. 30. A. M. Belyantsev and A. B. Kozyrev «Generation of RF Oscillations in the Interaction of an Electromagnetic Shock with a Synchronous Backward Wave», Technical Physics, vol. 45, no. 6, pp. 747-752 (2000). 31. Z. F. Krasilnik, V.Ya. Aleshkin, N. A. Bekin, A. M. Belyantsev, V. I. Gavrilenko, I. V. Erofeeva, N. G. Kalugin, D. V. Kozlov, A. B. Kozyrev, A. L. Korotkov, O.A.Kuznetsov, M. D. Moldavskaya, “Interaction of microwaves with semiconductors and semiconductor structures”, Reports on Russian scientific program “Physics of Microwaves”, vol. 2, pp. 375-380 (1999) [in Russian]. 32. A. M. Belyantsev, A. B. Kozyrev, «Direct effective transformation of a videopulse into a radiopulse at the synchronism of electromagnetic shock wave with direct and backward harmonics of periodic microstrip transmission line based on multilayer heterostructure», Material Science Forum, Vols. 297-298, pp. 349-352 (1999). 33. A. M. Belyantsev, A. B. Kozyrev, “The influence of local dispersion on transient processes accompanying the generation of rf radiation by an electromagnetic shock wave”, Technical Physics, Vol. 43, no. 1, pp. 80-85 (January 1998). 34. A. M. Belyantsev, A. B. Kozyrev, «Direct effective transformation of a videopulse into a radiopulse at the synchronism of electromagnetic shock wave with direct and backward harmonics of periodic microstrip transmission line based on multilayer heterostructure», Abstracts of 10th International Symposium on Ultrafast Phenomena in Semiconductors, August 31 - September 2, 1998, Vilnius, Lithuania, pp. 121-122. 35. A. M. Belyantsev and A. B. Kozyrev, "Generation of high-frequency oscillations by electromagnetic shock wave at its synchronism with backward harmonic of periodic transmission line based on multilayer heterostructure," International Journal of Infrared and Millimeter Waves, vol. 19, no. 11, pp. 1571-1586, November 1998. 36. A. B. Kozyrev and A. M. Belyantsev, “Generation of high-frequency oscillations by electromagnetic shock wave (EMSW) in nonlinear transmission lines on the basis of multilayer heterostructures” in M.Balkanski, N. Andreev(ed.), Advanced Electronic Technologies and Systems Based on Low-Dimensional Quantum Devices, pp. 67-68, NATO ASI Series, Kluwer Academic Publishers, 1998. 37. A. M. Belyantsev, A. B. Kozyrev, “Generation of high-frequency oscillations by electromagnetic shock wave on transmission lines on the basis of multilayer heterostructures”, International Journal on Infrared and Millimeter Waves, vol. 18, no. 6, pp. 1169-1186, June 1997. 38. A. M. Belyantsev, A. B. Kozyrev, “Generation of high-frequency oscillations in multilayer heterostructures with nanolayers”, Proceedings of International Symposium “Nanostructures: physics and technology”, St. Petersburg, Russia, 23-27 June 1997, pp. 148-151. 39. A. M. Belyantsev, A. B. Kozyrev, «Dynamic characteristics of multilayer heterostructures (MLHS) and generation of high-frequency oscillations in nonlinear transmission lines on the basis of MLHS», Abstracts of the 3-d Russian Conference of Physics of Semiconductors, p. 135, 1-5 December 1997, Moscow [in Russian]. 40. V. A. Kozlov, A. B. Kozyrev, «Bunching of electrons in stepped heterostructures», Abstracts of the 3-d Russian Conference of Physics of Semiconductors, p. 186, 1-5 December 1997, Moscow [in Russian]. 41. V. A. Kozlov and A. B. Kozyrev, “Inversion of electron populations in stepped heterostructures”, Semiconductors, vol. 30, no. 11, pp. 1043-1050, November 1996. [Fiz. Tekh. Polupr., vol. 30, no 11, pp.2002-2016 (1996)] 42. A. B. Kozyrev and V. A. Kozlov, “Enhancement of average velocity of hot carriers in saw-toothed heterostructures” in M.Balkanski (ed.), Devices Based on Low-Dimensional Structures, pp.185-188, Kluwer Academic Publishers, 1996. 43. Z. F. Krasil’nic, V. Ya. Aleshkin, N. A. Bekin, A. M. Belyantsev, V. I. Gavrilenko, I. V. Erofeeva, A. B. Kozyrev, O. A. Kuznetsov, M. D. Moldavskaya, L. V. Paramonov, D. G. Revin, Yu. A. Romanov, “Interaction of microwaves with semiconductors and semiconductor structures”, Reports on the projects of 1995 of the Russian Scientific Program “Physics of microwaves”, vol. 2, pp. 306-311 (1996) [in Russian]. 44. V. A. Kozlov and A. B. Kozyrev, “Enhancement of average velocity of hot carriers in appropriate heterostructures due to inversion of distribution function”, Extended Abstracts of the 1995 International Conference on Solid State Devices and Materials, August 21-24, 1995, International House, Osaka, Japan. Patents
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