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Sun T, Yang W, Chang-Hasnain C. Surface-normal coupled four-wave mixing in a high contrast gratings resonator. Opt Express. 2015;23(23):29565-72doi: 10.1364/OE.23.029565.
Sun, T., Yang, W., & Chang-Hasnain, C. (2015). Surface-normal coupled four-wave mixing in a high contrast gratings resonator. Optics express, 23(23), 29565-72. https://doi.org/10.1364/OE.23.029565
Sun, Tianbo, et al. "Surface-normal coupled four-wave mixing in a high contrast gratings resonator." Optics express vol. 23,23 (2015): 29565-72. doi: https://doi.org/10.1364/OE.23.029565
Sun T, Yang W, Chang-Hasnain C. Surface-normal coupled four-wave mixing in a high contrast gratings resonator. Opt Express. 2015 Nov 16;23(23):29565-72. doi: 10.1364/OE.23.029565. PMID: 26698439.
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Opt Express. 2015 Nov 16;23(23):29565-72. doi: 10.1364/OE.23.029565.

Surface-normal coupled four-wave mixing in a high contrast gratings resonator.

Optics express

Tianbo Sun, Weijian Yang, Connie Chang-Hasnain

PMID: 26698439 DOI: 10.1364/OE.23.029565

Abstract

We demonstrate enhanced four-wave mixing using a silicon high contrast grating (HCG) resonator on a SOI (silicon-on-insulator) wafer directly coupled with free space Gaussian beam in surface-normal direction. The measured quality factor for HCG resonator is ~7330. Peak conversion efficiency of -19.5dB is achieved at low pumping power ~900µW. Surface-normal coupling allows for easily and robust alignment system. The very small footprint and high efficiency of our device provide an effective method for wavelength conversion in chip-scale integrated optics.

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