Polarization dynamics of grating-based spin-lasers

Mariusz Drong; Jan Peřina Jr.; Maciej Dems; Tomasz Czyszanowski; Tibor Fördös; Henri Jaffrès; Kamil Postava; Henri-Jean Drouhin

doi:10.1117/12.2610079

5 March 2022 Polarization dynamics of grating-based spin-lasers

Mariusz Drong, Jan Peřina Jr., Maciej Dems, Tomasz Czyszanowski, Tibor Fördös, Henri Jaffrès, Kamil Postava, Henri-Jean Drouhin

Author Affiliations +

Proceedings Volume 12009, Quantum Sensing and Nano Electronics and Photonics XVIII; 1200907 (2022) https://doi.org/10.1117/12.2610079
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We present the nonlinear coupled-mode theory for anisotropic microcavity lasers, the birefringent spin-lasers in particular. The modeling technique is based on the decomposition of Maxwell-Bloch equations in a properly-chosen vectorial basis, imprinting all the important information about cavity geometry, gain medium and local anisotropies into the coefficients of coupled-mode equations. The formalism is applied to spin-lasers with high-contrast gratings, in which the interplay of spin dynamics and cavity birefringence offers new possibilities for near-future data-transfer technologies. The model can be used to investigate the effects of spin modulation and grating parameters on dynamical performance of realistic grating-based spin-laser. Moreover, it is used to derive the extended spin-flip model. We show, that the currently-used spin-flip model requires the corrections in order to describe the grating-based spin-VCSELs with extremely large frequency splitting.

Conference Presentation

Citation Download Citation

Mariusz Drong, Jan Peřina Jr., Maciej Dems, Tomasz Czyszanowski, Tibor Fördös, Henri Jaffrès, Kamil Postava, and Henri-Jean Drouhin "Polarization dynamics of grating-based spin-lasers", Proc. SPIE 12009, Quantum Sensing and Nano Electronics and Photonics XVIII, 1200907 (5 March 2022); https://doi.org/10.1117/12.2610079

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