Quasi-phase matching in SOI and SOS based parametric wavelength converters

Yuewang Huang; En-Kuang Tien; Shiming Gao; Salih K. Kalyoncu; Qi Song; Feng Qian; Ozdal Boyraz

doi:10.1117/12.893849

7 September 2011 Quasi-phase matching in SOI and SOS based parametric wavelength converters

Yuewang Huang, En-Kuang Tien, Shiming Gao, Salih K. Kalyoncu, Qi Song, Feng Qian, Ozdal Boyraz

Author Affiliations +

Proceedings Volume 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V; 81200F (2011) https://doi.org/10.1117/12.893849
Event: SPIE Photonic Devices + Applications, 2011, San Diego, California, United States

Abstract

In this study, we demonstrate method for quasi phase matched silicon-on-sapphire waveguides suitable for MWIR wavelength conversion to achieve higher conversion efficiency than that can be achieved in uniform waveguide geometries. In particular we show that periodic change in waveguide width by 0.5μm and hence periodic change in waveguide dispersion can to reset phase accumulation and provide ever-increasing gain profile. With the fabrication flexibility of large cross-section of MWIR waveguides, the possibility of using quasi-phase-matching can provide >30dB conversion efficiency enhancement and increase the conversion bandwidth by 2 times. Such improvement may facilitate the fabrication of parametric oscillators that can improve the conversion efficiency by 50dB.

Citation Download Citation

Yuewang Huang, En-Kuang Tien, Shiming Gao, Salih K. Kalyoncu, Qi Song, Feng Qian, and Ozdal Boyraz "Quasi-phase matching in SOI and SOS based parametric wavelength converters", Proc. SPIE 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V, 81200F (7 September 2011); https://doi.org/10.1117/12.893849

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