Pigtailing the high-Q microsphere cavity: a simple fiber coupler for optical whispering-gallery modes
Optics Letters, Vol. 24, Issue 11, pp. 723-725 (1999)
http://dx.doi.org/10.1364/OL.24.000723
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Abstract
We demonstrate a simple method for efficient coupling of standard single-mode optical fibers to a high- Q optical microsphere cavity. Phase-matched excitation of whispering-gallery modes is provided by an angle-polished fiber tip in which the core-guided wave undergoes total internal reflection. In the experimental setup, which included a microsphere with both an input and an output coupler, the total fiber-to-fiber transmission at resonance reached 23% (total insertion loss, 6.3 dB), with loaded quality factor Q≥3×107 and unloaded Q≈1.2×108 at 1550 nm. A simple pigtailing method for microspheres permits their wider use in fiber optics and photonics devices.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(130.1750) Integrated optics : Components
(230.0250) Optical devices : Optoelectronics
(270.0270) Quantum optics : Quantum optics
Citation
Vladimir S. Ilchenko, X. Steve Yao, and Lute Maleki, "Pigtailing the high-Q microsphere cavity: a simple fiber coupler for optical whispering-gallery modes," Opt. Lett. 24, 723-725 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-11-723
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