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20 June 2024 Ultrafast modulation of spin and polarization in anisotropic spin-lasers
Nils C. Gerhardt, Natalie Jung, Markus Lindemann, Martin R. Hofmann
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Proceedings Volume PC13002, Semiconductor Lasers and Laser Dynamics XI; PC1300207 (2024) https://doi.org/10.1117/12.3023374
Event: SPIE Photonics Europe, 2024, Strasbourg, France
Abstract
In anisotropic spin-lasers, the ultrafast dynamics of a coupled system between carrier and photon spins will be exploited to realize spin and polarization modulation at frequencies above 200 GHz, far beyond the current limits for conventional current-modulated laser devices. This makes spin-VCSELs excellent candidates not only for the next generation of ultrafast optical communication systems, but also for many other emerging applications such as polarization-based optical communication, neuromorphic computing, chaos-based random bit generation, or microwave and THz generation. Here we present our recent developments on ultrafast spin and polarization control in anisotropic spin-lasers and discuss the prospects and challenges of this new technology on its way to application.
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Nils C. Gerhardt, Natalie Jung, Markus Lindemann, and Martin R. Hofmann "Ultrafast modulation of spin and polarization in anisotropic spin-lasers", Proc. SPIE PC13002, Semiconductor Lasers and Laser Dynamics XI, PC1300207 (20 June 2024); https://doi.org/10.1117/12.3023374
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KEYWORDS
Ultrafast phenomena
Modulation
Polarization
Modulation frequency
Laser frequency
Optical communications
Terahertz radiation
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