Tobias Pusch, M.Sc.

Research Staff Member

Contact

Tobias Pusch

Institute of Optoelectronics
Albert-Einstein-Allee 45
89081 Ulm
Room: 45.2.215
Phone: +49 (0) 731 50-26037
Telefax: +49 (0) 731 50-26049

Research

Characterization and manipulation of the polarization behavior in vertical-cavity surface-emitting lasers (VCSELs).

Teaching

  • Optoelectronics Lab: Exp. 3 (Photodiodes)
  • Optoelectronics Lab: Exp. 5 (Tunable laser diodes)

Publications

  • N.C. Gerhardt, M. Lindemann, T. Pusch, R. Michalzik, and M.R. Hofmann,  "High-frequency polarization dynamics in spin-lasers: pushing the limits" (invited), SPIE Optics + Photonics 2017, Spintronics X, San Diego, CA, USA, Aug. 2017, to be presented.
  • T. Pusch, E. La Tona, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Thermally induced birefringence tuning of 37 GHz in VCSELs", Conf. on Lasers and Electro-Optics Europe, CLEO/Europe 2017, paper CB-3.1, Munich, Germany, June 2017.
  • M. Lindemann, T. Pusch, R. Michalzik, N.C. Gerhardt, and M.R. Hofmann, "Tunable polarization oscillations in resonantly pumped spin-VCSELs", Conf. on Lasers and Electro-Optics Europe, CLEO/Europe 2017, paper CB-3.2, Munich, Germany, June 2017.
  • T. Pusch, E. La Tona, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Monolithic vertical-cavity surface-emitting laser with thermally tunable birefringence", Appl. Phys. Lett., vol. 110, pp. 151106-1−3, 2017.
  • M. Lindemann, T. Pusch, R. Michalzik, N.C. Gerhardt, and M.R. Hofmann,  "Investigations on polarization oscillation amplitudes in spin-VCSELs", in Vertical-Cavity Surface-Emitting Lasers XXI, K.D. Choquette, C. Lei (Eds.), Proc. SPIE 10122, pp. 101220O-1−7, 2017.
  • N.C. Gerhardt, M. Lindemann, T. Pusch, R. Michalzik, and M.R. Hofmann, "High-frequency operation of spin vertical-cavity surface-emitting lasers: towards 100 GHz" (invited), in Spintronics IX,  H.-J. Drouhin, J.-E. Wegrowe, M. Razeghi (Eds.), Proc. SPIE 9931, pp. 99310C-1−6, 2016.
  • M. Lindemann, N.C. Gerhardt, M.R. Hofmann, T. Pusch, and R. Michalzik, "Frequency tuning of polarization oscillations in spin-lasers",  in Spintronics IX,  H.-J. Drouhin, J.-E. Wegrowe, M. Razeghi (Eds.), Proc. SPIE 9931, pp. 993149-1−6, 2016.
  • N.C. Gerhardt, M. Lindemann, T. Pusch, R. Michalzik, and M.R. Hofmann, "Birefringent vertical-cavity surface-emitting lasers: toward high-speed spin-lasers" (invited), in Semiconductor Lasers and Laser Dynamics VII, K.P. Panajotov, M. Sciamanna, A.A. Valle, R. Michalzik (Eds.), Proc. SPIE 9892, pp. 989206-1−9, 2016.
  • M. Lindemann, T. Pusch, R. Michalzik, N.C. Gerhardt, and M.R. Hofmann, "Frequency tuning of polarization oscillations in spin-polarized vertical-cavity surface-emitting lasers", in Semiconductor Lasers and Laser Dynamics VII, K.P. Panajotov, M. Sciamanna, A.A. Valle, R. Michalzik (Eds.), Proc. SPIE 9892, pp. 989224-1−5, 2016.
  • T.Pusch, M. Bou Sanayeh, M. Lindemann, N. C. Gerhardt, M. R. Hofmann, and R. Michalzik, “Birefringence tuning of VCSELs“, SPIE Photonics Europe, Conf. on Semiconductor Lasers and Laser Dynamics VII, Brussels, Belgium, Apr. 2016.
  • M. Lindemann, T. Pusch, R. Michalzik, N. C. Gerhardt, and M. R. Hofmann, “Frequency tuning of polarization oscillations: towards high-speed spin-lasers“, Appl. Phys. Lett., vol. 108, pp. 042404-1-4, 2016.
  • T. Pusch, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Vertical-cavity surface-emitting lasers with birefringence splitting above 250 GHz", Electron. Lett., vol. 51, pp. 1600−1602, 2015.
  • M. Lindemann, T. Pusch, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Towards high frequency operation of polarization oscillations in spin vertical-cavity surface-emitting lasers" (invited), in Spintronics VIII,  H.-J. Drouhin, J.-E. Wegrowe, M. Razeghi (Eds.), Proc. SPIE 9551, 5 pages, in press.
  • M. Lindemann, H. Höpfner, N.C. Gerhardt, M.R. Hofmann, T. Pusch, and R. Michalzik, "Controlled switching and frequency tuning of polarization oscillations in vertical-cavity surface-emitting lasers", in Spintronics VIII,  H.-J. Drouhin, J.-E. Wegrowe, M. Razeghi (Eds.), Proc. SPIE 9551, 5 pages, in press.
  • M. Lindemann, T. Pusch, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Tuning the frequency of polarization oscillations in spin-VCSELs by mechanical strain induction", in Online Digest Conf. on Lasers and Electro-Optics Europe, CLEO/Europe 2015, paper CB-2.1, one page. Munich, Germany, June 2015.
  • T. Pusch, M. Lindemann, N.C. Gerhardt, M.R. Hofmann, and R. Michalzik, "Increasing the birefringence of VCSELs beyond 250 GHz", in Online Digest Conf. on Lasers and Electro-Optics Europe, CLEO/Europe 2015, paper CB-2.2, one page. Munich, Germany, June 2015.