Chaos-assisted directional light emission from microcavity lasers

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

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number163902
JournalPhysical Review Letters
Volume104
Issue number16
DOIs
Publication statusPublished - 2010 Apr 21
Externally publishedYes

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light emission
chaos
rays
lasers
orbits
cavities
escape
Q factors
geometry
predictions
excitation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Shinohara, S., Harayama, T., Fukushima, T., Hentschel, M., Sasaki, T., & Narimanov, E. E. (2010). Chaos-assisted directional light emission from microcavity lasers. Physical Review Letters, 104(16), [163902]. https://doi.org/10.1103/PhysRevLett.104.163902

Chaos-assisted directional light emission from microcavity lasers. / Shinohara, Susumu; Harayama, Takahisa; Fukushima, Takehiro; Hentschel, Martina; Sasaki, Takahiko; Narimanov, Evgenii E.

In: Physical Review Letters, Vol. 104, No. 16, 163902, 21.04.2010.

Research output: Contribution to journalArticle

Shinohara, S, Harayama, T, Fukushima, T, Hentschel, M, Sasaki, T & Narimanov, EE 2010, 'Chaos-assisted directional light emission from microcavity lasers', Physical Review Letters, vol. 104, no. 16, 163902. https://doi.org/10.1103/PhysRevLett.104.163902
Shinohara, Susumu ; Harayama, Takahisa ; Fukushima, Takehiro ; Hentschel, Martina ; Sasaki, Takahiko ; Narimanov, Evgenii E. / Chaos-assisted directional light emission from microcavity lasers. In: Physical Review Letters. 2010 ; Vol. 104, No. 16.
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