One-dimensional photonic crystal slot waveguide for silicon-organic hybrid electro-optic modulators

Hai Yan; Xiaochuan Xu; Chi-Jui Chung; Harish Subbaraman; Zeyu Pan; Swapnajit Chakravarty; Ray T. Chen

doi:10.1117/12.2253154

20 February 2017 One-dimensional photonic crystal slot waveguide for silicon-organic hybrid electro-optic modulators

Hai Yan, Xiaochuan Xu, Chi-Jui Chung, Harish Subbaraman, Zeyu Pan, Swapnajit Chakravarty, Ray T. Chen

Proceedings Volume 10109, Optical Interconnects XVII; 101090O (2017) https://doi.org/10.1117/12.2253154
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

A one-dimensional (1D) photonic crystal (PC) slot waveguide was proposed and experimentally demonstrated for integrated silicon-organic hybrid modulators. The 1D PC slot waveguide consists of a conventional silicon slot waveguide with periodic rectangular teeth on its two rails. This structure takes advantage of large mode overlap in a conventional slot waveguide and the slow light enhancement from the PC structure. Its simple geometry makes it resistant to fabrication imperfections and helps reduce the propagation loss. The observed effective EO coefficient in an actual Mach-Zehnder interferometer modulator is as high as 490 pm/V owing to slow light effect.

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Citation Download Citation

Hai Yan, Xiaochuan Xu, Chi-Jui Chung, Harish Subbaraman, Zeyu Pan, Swapnajit Chakravarty, and Ray T. Chen "One-dimensional photonic crystal slot waveguide for silicon-organic hybrid electro-optic modulators", Proc. SPIE 10109, Optical Interconnects XVII, 101090O (20 February 2017); https://doi.org/10.1117/12.2253154

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