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Proceedings Paper

Slow-light effect via Rayleigh anomaly in high contrast gratings
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Paper Abstract

We investigate slow light effect of subwavelength gratings via Rayleigh Anomaly on both infinite and finite size high index contrast gratings. Our results show that the local group velocity of the transmitted light can be significantly reduced due to the optical vortex, which can inspire a new mechanism to enhance light-matter interactions for optical sensing and photo detection. However, the slow light effect will diminish as the transmitted light propagates further away from the grating surface, and the slow-down factor decreases as the grating size shrinks.

Paper Details

Date Published: 15 March 2016
PDF: 7 pages
Proc. SPIE 9757, High Contrast Metastructures V, 97570H (15 March 2016); doi: 10.1117/12.2214041
Show Author Affiliations
Kyoung-Youm Kim, Oregon State Univ. (United States)
Sejong Univ. (Korea, Republic of)
Xinyuan Chong, Oregon State Univ. (United States)
Alan X. Wang, Oregon State Univ. (United States)


Published in SPIE Proceedings Vol. 9757:
High Contrast Metastructures V
Connie J. Chang-Hasnain; David Fattal; Fumio Koyama; Weimin Zhou, Editor(s)

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