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Opt Express. 2010 Dec 6;18(25):26141-8. doi: 10.1364/OE.18.026141.

Observation of resonance effects in the pump transmission of a chaotic microcavity.

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Department of Physics and Astronomy, Seoul National University, Seoul 151-742, Korea.


We observed resonance effects on the transmission of a pump beam in a chaotic microcavity in an optimal free-space optical-pumping configuration. The far-field pattern of cavity transmission was significantly modified when the pump laser was resonant with a scar mode. From the difference between the non-resonant and on-resonance transmission patterns, we obtained the efficiency of the pump coupling into the scar mode to be as high as 45%, which is consistent with the recent excitation spectroscopy results of Yang et al. [Phys. Rev. Lett. 104, 243601 (2010)].

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