Journal
PHOTONICS
Volume 10, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/photonics10020179
Keywords
vertical-cavity surface-emitting lasers; spin-VCSELs; nematic liquid crystals; polarization; electro-optic effect
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We propose a new construction of spin-VCSEL with an embedded nematic liquid crystal (LC) in a second cavity. We design a coupled-cavity LC-VCSEL and develop a procedure for calculating its LC-voltage dependent polarization resolved resonant longitudinal modes and their quantum-well confinement factors. Using these characteristics, we slightly modify the spin-flip VCSEL model to include the voltage dependent birefringence and anisotropy. Then, we show that such an LC-VCSEL can achieve small signal modulation response with a 3dB cut off frequency of several hundreds of GHz.
We suggest a new construction of spin-VCSEL with an embedded nematic liquid crystal (LC) in a second cavity. We design such a coupled-cavity LC-VCSEL and develop a procedure for calculating its LC-voltage dependent polarization resolved resonant longitudinal modes and their quantum-well confinement factors. Using these characteristics, we are able to slightly modify the spin-flip VCSEL model to include the voltage dependent birefringence and anisotropy. Then, we show that such an LC-VCSEL can reach small signal modulation response with a 3dB cut off frequency of several hundreds of GHz.
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