12 October 2017 Midinfrared wavelength conversion in hydrogenated amorphous silicon waveguides
Jiang Wang, Zhaolu Wang, Nan Huang, Jing Han, Yongfang Li, Hongjun Liu
Author Affiliations +
Abstract
Midinfrared (MIR) wavelength conversion based on degenerate four-wave mixing is theoretically investigated in hydrogenated amorphous silicon (a-Si:H) waveguides. The broadband phase mismatch is achieved in the normal group-velocity dispersion regime. The conversion bandwidth is extended to 900 nm, and conversion efficiency of up to −14  dB with a pump power of 70 mW in a 2-mm long a-Si:H rib waveguides is obtained. This low-power on-chip wavelength converter will have potential for application in a wide range of MIR nonlinear optic devices.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2017/$25.00 © 2017 SPIE
Jiang Wang, Zhaolu Wang, Nan Huang, Jing Han, Yongfang Li, and Hongjun Liu "Midinfrared wavelength conversion in hydrogenated amorphous silicon waveguides," Optical Engineering 56(10), 107103 (12 October 2017). https://doi.org/10.1117/1.OE.56.10.107103
Received: 27 June 2017; Accepted: 25 September 2017; Published: 12 October 2017
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Cited by 1 scholarly publication.
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KEYWORDS
Waveguides

Dispersion

Amorphous silicon

Nonlinear optics

Silicon

Four wave mixing

Optical engineering

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