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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 25, Iss. 4 — Feb. 15, 2000
  • pp: 260–262

Highly efficient optical power transfer to whispering-gallery modes by use of a symmetrical dual-coupling configuration

Ming Cai and Kerry Vahala  »View Author Affiliations


Optics Letters, Vol. 25, Issue 4, pp. 260-262 (2000)
http://dx.doi.org/10.1364/OL.25.000260


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Abstract

We report that greater than 99.8% optical power transfer to whispering-gallery modes was achieved in fused-silica microspheres by use of a dual-tapered-fiber coupling method. The intrinsic cavity loss and the taper-to-sphere coupling coefficient are inferred from the experimental data. It is shown that the low intrinsic cavity loss and the symmetrical dual-coupling structure are crucial for obtaining the high coupling efficiency.

© 2000 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.1150) Optical devices : All-optical devices
(230.3990) Optical devices : Micro-optical devices
(230.5750) Optical devices : Resonators

Citation
Ming Cai and Kerry Vahala, "Highly efficient optical power transfer to whispering-gallery modes by use of a symmetrical dual-coupling configuration," Opt. Lett. 25, 260-262 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-4-260

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