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arXiv · 1304.4217

Optical sum-frequency generation in whispering gallery mode resonators

Dmitry V. Strekalov·Abijith S. Kowligy·Yu-Ping Huang·Prem Kumar
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Abstract

We demonstrate sum-frequency generation in a nonlinear whispering gallery mode resonator between a telecom wavelength and the Rb D2 line, achieved through natural phase matching. Due to the strong optical field confinement and ultra high Q of the cavity, we achieve a 1000-fold enhancement in the conversion efficiency compared to existing waveguide-based devices. The experimental data are in agreement with the nonlinear dynamics and phase matching theory in the spherical geometry employed. The experimental and theoretical results point to a new platform to manipulate the color and quantum states of light waves toward applications such as atomic memory based quantum networking and logic operations with optical signals.

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Dmitry V. Strekalov, Abijith S. Kowligy, Yu-Ping Huang, Prem Kumar. 2013-04-15. Optical sum-frequency generation in whispering gallery mode resonators. https://doi.org/10.1088/1367-2630%2F16%2F5%2F053025

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