Low-loss slow light inside high contrast grating waveguide

Tianbo Sun; Weijian Yang; Vadim Karagodsky; Weimin Zhou; Connie Chang-Hasnain

doi:10.1117/12.909962

23 February 2012 Low-loss slow light inside high contrast grating waveguide

Tianbo Sun, Weijian Yang, Vadim Karagodsky, Weimin Zhou, Connie Chang-Hasnain

Proceedings Volume 8270, High Contrast Metastructures; 82700A (2012) https://doi.org/10.1117/12.909962
Event: SPIE OPTO, 2012, San Francisco, California, United States

Abstract

We propose a novel hollow-core slow light waveguide using high contrast grating (HCG). Light propagates in air along a path bounded by two HCG layers. A strong interaction between the light and the HCG leads to a large group index, and thus the slow light effect. Waveguide loss and group index can be optimized separately by tuning the HCG and waveguide parameters. High performance slow light is obtained with <0.1 dB/cm loss, >120 group index and >120 GHz bandwidth.

Citation Download Citation

Tianbo Sun, Weijian Yang, Vadim Karagodsky, Weimin Zhou, and Connie Chang-Hasnain "Low-loss slow light inside high contrast grating waveguide", Proc. SPIE 8270, High Contrast Metastructures, 82700A (23 February 2012); https://doi.org/10.1117/12.909962

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