Optical microsphere resonators: optimal coupling and the ultimate Q

Mikhail L. Gorodetsky; Anatoly A. Savchenkov; Vladimir S. Ilchenko

doi:10.1117/12.308113

13 May 1998 Optical microsphere resonators: optimal coupling and the ultimate Q

Mikhail L. Gorodetsky, Anatoly A. Savchenkov, Vladimir S. Ilchenko

Proceedings Volume 3267, Laser Resonators; (1998) https://doi.org/10.1117/12.308113
Event: Optoelectronics and High-Power Lasers and Applications, 1998, San Jose, CA, United States

Abstract

A general model is presented for coupling of high-Q whispering-gallery modes in optical microsphere resonators with coupler devices possessing discrete and continuous spectrum of propagating modes. By contrast to Fabry-Perot resonators, in microspheres independent high intrinsic quality-factor and controllable parameters of coupling via evanescent field offer variety of regimes earlier available in RF devices. Latest results on realization of material- limited Q approximately 10¹⁰ in microspheres in the visible and near-infrared band and preservation of very-high Q in surface-hydration-preventing environment are presented.

Citation Download Citation

Mikhail L. Gorodetsky, Anatoly A. Savchenkov, and Vladimir S. Ilchenko "Optical microsphere resonators: optimal coupling and the ultimate Q", Proc. SPIE 3267, Laser Resonators, (13 May 1998); https://doi.org/10.1117/12.308113

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