Efficient optical path folding by using multiple total internal reflections in a microcavity

Susumu Shinohara; Satoshi Sunada; Takehiro Fukushima; Takahisa Harayama; Kenichi Arai; Kazuyuki Yoshimura

doi:10.1063/1.4898701

Efficient optical path folding by using multiple total internal reflections in a microcavity

Susumu Shinohara, Satoshi Sunada, Takehiro Fukushima, Takahisa Harayama, Kenichi Arai, Kazuyuki Yoshimura

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

We propose using an asymmetric resonant microcavity for the efficient generation of an optical path that is much longer than the diameter of the cavity. The path is formed along a star polygonal periodic orbit within the cavity, which is stable and confined by total internal reflection. We fabricated a semiconductor device based on this idea with an average diameter of 0.3 mm and achieved a path length of 2.79 mm experimentally.

Original language	English
Article number	151111
Journal	Applied Physics Letters
Volume	105
Issue number	15
DOIs	https://doi.org/10.1063/1.4898701
Publication status	Published - 2014 Oct 13

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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AU - Arai, Kenichi

AU - Yoshimura, Kazuyuki

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