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4 October 2024 Spin polarization modulation characteristics of injection-locked VCSELs
Nobuhide Yokota, Hiroshi Yasaka
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Proceedings Volume PC13119, Spintronics XVII; PC1311909 (2024) https://doi.org/10.1117/12.3027568
Event: Nanoscience + Engineering, 2024, San Diego, California, United States
Abstract
We report on spin polarization modulation characteristics of InAlGaAs vertical-cavity surface-emitting lasers (VCSELs) under the optical injection locking. The results measured with the optical spin modulation technique and simulated with the spin-flip model indicate that a weak optical injection locking condition is suitable to exploit a strong and high-frequency resonance response under the spin polarization modulation. We discuss an effect of polarization switching in VCSELs which can be a cause of variation of the spin polarization modulation response and injection locking condition. Our findings suggest a strategy of the optical injection locking for spin-controlled VCSELs.
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Nobuhide Yokota and Hiroshi Yasaka "Spin polarization modulation characteristics of injection-locked VCSELs", Proc. SPIE PC13119, Spintronics XVII, PC1311909 (4 October 2024); https://doi.org/10.1117/12.3027568
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KEYWORDS
Modulation
Vertical cavity surface emitting lasers
Spin polarization
Optical communications
Optical computing
Phase shift keying
Polarization
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