Robust Irreversible Polarization Switching in Optically Injected VCSELs
Abdulqader Abdullah Qader, Yanhua Hong, K.A. Shore
Abstract
Abdulqader Abdullah Qader, Yanhua Hong, K.A. Shore
Abstract
We report experimental observations of robust irreversible polarization switching (IPS) in vertical cavity surface emitting lasers (VCSELs) subject to external optical injection. It is shown that, when operated in a two-mode regime, the VCSEL exhibits IPS for both parallel and orthogonal optical injection. The polarization switching is maintained for a wide range of values of control parameters, including frequency detuning, injected power (Pinj), bias current, and device operating temperature.
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We report experimental observations of robust irreversible polarization switching (IPS) in vertical cavity surface emitting lasers (VCSELs) subject to external optical injection. It is shown that, when operated in a two-mode regime, the VCSEL exhibits IPS for both parallel and orthogonal optical injection. The polarization switching is maintained for a wide range of values of control parameters, including frequency detuning, injected power (Pinj), bias current, and device operating temperature.
Key concepts: Polarization (electrochemistry), Vertical-cavity surface-emitting laser, Optoelectronics, Materials science, Laser, Semiconductor laser theory, Optics, Optical switch