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Designing coupled microcavity lasers for high-Q modes with unidirectional light emission

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Hentschel,  M.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

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Citation

Ru, J. W., & Hentschel, M. (2011). Designing coupled microcavity lasers for high-Q modes with unidirectional light emission. Optics Letters, 36(7), 1116-1118.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0029-8D31-C
Abstract
We design coupled optical microcavities and report directional light emission from high-Q modes for a broad range of refractive indices. The system consists of a circular cavity that provides a high-Q mode in the form of a whispering gallery mode, whereas an adjacent deformed microcavity plays the role of a waveguide or collimator of the light transmitted from the circular cavity. As a result of this very simple, yet robust, concept we obtain high-Q modes with promising directional emission characteristics. No information about phase space is required, and the proposed scheme can be easily realized in experiments. (C) 2011 Optical Society of America