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Paper detail

Collimated directional emission from a peanut-shaped microresonator

Collimated directional emission is essentially required an asymmetric resonant cavity. In this paper, we theoretically investigate a type of peanut-shaped microcavity which can support highly directional emission with the emission divergence as small as 2.5o. The mechanism of the collimated emission is explained with the short-term ray trajectory and the intuitive lens model in detail. Wave simulation also confirms these results. This extremely narrow divergence of the emission holds a great potential in highly collimated lasing from on-chip microcavities.

preprint2011arXivOpen access
Fang-Jie ShuChang-Ling ZouFang-Wen SunYun-Feng Xiao
physics.optics
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Fang-Jie ShuChang-Ling ZouFang-Wen SunYun-Feng Xiao

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