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Lasing properties of the $lima{\varsigma}on$-shaped microcavity

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Lasing properties of the limaϛon-shaped microcavity

Chang-Hwan Yi, Myung-Woon Kim, Sang-Hun Lee* and Chil-Min Kim Department of Physics, Sogang University, Seoul

*

Department of Physics, Sonam University, Namwon [email protected]

In this paper, we report the characteristics of the continuous wave laser output of the limaϛon-shaped InGaAsP microcavity laser pumped by current injection.

In order to find the directions of emission far-field patterns are measureed by rotating an optical fiber around the microcavity. We observe high directionality of the limaϛon-shaped microcavity laser. For the analysis of lasing properties we also investigate its polarization and spectrum using the Glan-Thompson

polarizer and spectrum analyzer.

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