Trends in Nano- and Micro-Cavities


O'Dae Kwon, Byoungho Lee, Kyungwon An

DOI: 10.2174/97816080523631110101
eISBN: 978-1-60805-236-3, 2011
ISBN: 978-1-60805-109-0

Indexed in: Scopus, EBSCO.

This ebook is a collection of cutting edge articles from the 2009 Workshop on Microcavities and their Applications (WOMA 2009). It giv...[view complete introduction]
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Manifestation of ray chaos in optical cavities

- Pp. 62-108 (47)

Susumu Shinohara and Takahisa Harayama


The correspondence between ray and wave descriptions for twodimensional chaotic open billiards describing optical cavities is reviewed. Focusing on the stadium-shaped cavity, which is well-known for its fully chaotic ray dynamics, we show how ray chaos is manifested in emission patterns, or eigenfunctions of resonances (decaying eigenmodes). The flux phase-space distribution is introduced, which not only enables one to understand the relation between ray dynamics and emission directionality, but also provides a suitable stage to study the ray-wave correspondence. We observe intrinsic localization phenomenon in each resonance, which causes discrepancies with the ray description. Nonetheless, we demonstrate that the average of many low-loss resonances reproduces the ray description very well, where one can clearly observe that signature of ray chaos (i.e., long-term effects of stretching and folding) is embedded in resonance eigenfunctions.

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