Surface plasmon enhanced reflected second harmonic generation in periodically poled whispering gallery resonator

Ardhendu Saha; Nabamita Goswami; Priyanka Dey

doi:10.1117/12.2000445

12 March 2013 Surface plasmon enhanced reflected second harmonic generation in periodically poled whispering gallery resonator

Ardhendu Saha, Nabamita Goswami, Priyanka Dey

Author Affiliations +

Proceedings Volume 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII; 86040W (2013) https://doi.org/10.1117/12.2000445
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

This paper analytically describes the surface plasmon enhanced very low threshold second harmonic generation formed by a 29 nm thin gold layer is sandwiched between a BK₇ prism plane and 20 nm thin GaAs layer. Here the electric field with incident optical radiation of picowatt level is amplified upto milliwatt level through surface plasmon phenomenon at off resonance condition. This amplified output further coupled to a whispering gallery resonator, which facilitates the generation of second harmonic for an incident optical radiation of picowatt level. In this proposed configuration with an incident optical power of 94.6 pW generated second harmonic through whispering gallery resonator found to be 14.6 mW.

Citation Download Citation

Ardhendu Saha, Nabamita Goswami, and Priyanka Dey "Surface plasmon enhanced reflected second harmonic generation in periodically poled whispering gallery resonator", Proc. SPIE 8604, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XII, 86040W (12 March 2013); https://doi.org/10.1117/12.2000445

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