Chaos-assisted directional light emission from microcavity lasers

Susumu Shinohara*, Takahisa Harayama, Takehiro Fukushima, Martina Hentschel, Takahiko Sasaki, Evgenii E. Narimanov

*この研究の対応する著者

研究成果: Article査読

112 被引用数 (Scopus)

抄録

We study the effect of dynamical tunneling on emission from ray-chaotic microcavities by introducing a suitably designed deformed disk cavity. We focus on its high quality factor modes strongly localized along a stable periodic ray orbit confined by total internal reflection. It is shown that dominant emission originates from the tunneling from the periodic ray orbit to chaotic ones; the latter eventually escape from the cavity refractively, resulting in directional emission that is unexpected from the geometry of the periodic orbit, but fully explained by unstable manifolds of chaotic ray dynamics. Experimentally performing selective excitation of those modes, we succeeded in observing the directional emission in good agreement with theoretical prediction. This provides decisive experimental evidence of dynamical tunneling in a ray-chaotic microcavity.

本文言語English
論文番号163902
ジャーナルPhysical Review Letters
104
16
DOI
出版ステータスPublished - 2010 4月 21
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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