Hybrid III-V on Si grating as a broadband reflector and a high-Q resonator

Il-Sug Chung; Alireza Taghizadeh; Gyeong Cheol Park

doi:10.1117/12.2212341

15 March 2016 Hybrid III-V on Si grating as a broadband reflector and a high-Q resonator

Il-Sug Chung, Alireza Taghizadeh, Gyeong Cheol Park

Author Affiliations +

Proceedings Volume 9757, High Contrast Metastructures V; 97570A (2016) https://doi.org/10.1117/12.2212341
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Hybrid grating (HG) with a high-refractive-index cap layer added onto a high contrast grating (HCG), can provide a high reflectance close 100 % over a broader wavelength range than HCGs, or work as a ultrahigh quality (Q) factor resonator. The reflection and resonance properties of HGs have been investigated and the mechanisms leading to these properties are discussed. A HG reflector sample integrating a III-V cap layer with InGaAlAs quantum wells onto a Si grating has been fabricated and its reflection property has been characterized. The HG-based lasers have a promising prospect for silicon photonics light source or high-speed laser applications.

Citation Download Citation

Il-Sug Chung, Il-Sug Chung, Alireza Taghizadeh, Alireza Taghizadeh, Gyeong Cheol Park, Gyeong Cheol Park, } "Hybrid III-V on Si grating as a broadband reflector and a high-Q resonator", Proc. SPIE 9757, High Contrast Metastructures V, 97570A (15 March 2016); doi: 10.1117/12.2212341; https://doi.org/10.1117/12.2212341

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