19 February 2014 GaAs/AlOx high contrast gratings for 980nm VCSELs
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Proceedings Volume 8995, High Contrast Metastructures III; 89950C (2014) https://doi.org/10.1117/12.2039632
Event: SPIE OPTO, 2014, San Francisco, California, United States
In this paper we present results of computer optical simulations of VCSEL with modified high refractive index contrast grating (HCG) as a top mirror. We consider the HCG of two different designs which determine the lateral aperture. Such HCG mirror provides selective guiding effect. We show that proper design of aperture of HCG results in almost sixfold increase in cavity Q-factor for zero order mode and a discrimination of higher order modes.
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M. Gebski, M. Gebski, M. Dems, M. Dems, J. Chen, J. Chen, W. Qijie, W. Qijie, Dao Hua Z., Dao Hua Z., T. Czyszanowski, T. Czyszanowski, "GaAs/AlOx high contrast gratings for 980nm VCSELs", Proc. SPIE 8995, High Contrast Metastructures III, 89950C (19 February 2014); doi: 10.1117/12.2039632; https://doi.org/10.1117/12.2039632

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