Spin lasing in high-beta bimodal quantum dot micropillar cavities (Conference Presentation)

Niels Heermeier; Tobias Heuser; Jan Große; Natalie Jung; Arsenty Kaganskiy; Markus Lindemann; Nils C. Gerhardt; Martin R Hofmann; Stephan Reitzenstein

doi:10.1117/12.2632687

4 October 2022 Spin lasing in high-beta bimodal quantum dot micropillar cavities (Conference Presentation)

Niels Heermeier, Tobias Heuser, Jan Große, Natalie Jung, Arsenty Kaganskiy, Markus Lindemann, Nils C. Gerhardt, Martin R Hofmann, Stephan Reitzenstein

Author Affiliations +

Proceedings Volume PC12205, Spintronics XV; PC1220511 (2022) https://doi.org/10.1117/12.2632687
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Spin-controlled lasers are highly interesting photonic devices and have been shown to provide ultra-fast polarization dynamics in excess of 200 GHz. Another class of modern semiconductor lasers are high-beta emitters which benefit from enhanced light-matter interaction due to strong mode confinement in low-mode-volume microcavities. We combine the advantages of both laser types to demonstrate spin-lasing in high-beta microlasers for the first time. For this purpose, we realize bimodal high-beta quantum dot micropillar lasers for which the mode splitting and the polarization-oscillation frequency can be engineered via the pillar cross-section. The microlasers show very pronounced spin-lasing effects with polarization oscillation frequencies up to 15 GHz.

Conference Presentation

Citation Download Citation

Niels Heermeier, Tobias Heuser, Jan Große, Natalie Jung, Arsenty Kaganskiy, Markus Lindemann, Nils C. Gerhardt, Martin R Hofmann, and Stephan Reitzenstein "Spin lasing in high-beta bimodal quantum dot micropillar cavities (Conference Presentation)", Proc. SPIE PC12205, Spintronics XV, PC1220511 (4 October 2022); https://doi.org/10.1117/12.2632687

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