High-contrast metastructures and applications

Connie J. Chang-Hasnain

doi:10.1117/12.2585135

5 March 2021 High-contrast metastructures and applications

Connie J. Chang-Hasnain

Proceedings Volume 11695, High Contrast Metastructures X; 1169504 (2021) https://doi.org/10.1117/12.2585135
Event: SPIE OPTO, 2021, Online Only

Abstract

High contrast grating has been demonstrated in VCSELs for over one decade with wavelengths in 850nm, 940nm, 980nm, 1050nm, 1300nm and 1550nm. Several device configurations were reported with HCG freely suspended as MEMS structure, monolithic with AlOx layer, flip-chip bonded onto a Si/SiO2 HCG and with a deposited thin film Si/SiO2. Wavelength swept VCSELs and multi-wavelength VCSELs were also published. In this talk, we will review all different results. We will particularly address polarization and far field pattern engineering. New applications in high speed modulation, 3D sensing and LIDAR will be discussed.

Conference Presentation

Citation Download Citation

Connie J. Chang-Hasnain "High-contrast metastructures and applications", Proc. SPIE 11695, High Contrast Metastructures X, 1169504 (5 March 2021); https://doi.org/10.1117/12.2585135

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