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Ideality in a fiber-taper-coupled microresonator system for application to cavity quantum electrodynamics

Spillane, S. M. and Kippenberg, T. J. and Painter, O. J. and Vahala, K. J. (2003) Ideality in a fiber-taper-coupled microresonator system for application to cavity quantum electrodynamics. Physical Review Letters, 91 (4). Art. No. 043902. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:SPIprl03

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Abstract

The ability to achieve near lossless coupling between a waveguide and a resonator is fundamental to many quantum-optical studies as well as to practical applications of such structures. The nature of loss at the junction is described by a figure of merit called ideality. It is shown here that under appropriate conditions ideality in excess of 99.97% is possible using fiber-taper coupling to high-Q silica microspheres. To verify this level of coupling, a technique is introduced that can both measure ideality over a range of coupling strengths and provide a practical diagnostic of parasitic coupling within the fiber-taper-waveguide junction.


Item Type:Article
Additional Information:©2003 The American Physical Society. Received 13 December 2002; published 22 July 2003. This work was supported by DARPA, the Caltech Lee Center, and the National Science Foundation.
Subject Keywords:micromechanical resonators; micro-optics; optical fibre couplers; optical fibre losses; optical waveguides; cavity resonators
Record Number:CaltechAUTHORS:SPIprl03
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:SPIprl03
Alternative URL:http://dx.doi.org/10.1103/PhysRevLett.91.043902
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:5073
Collection:CaltechAUTHORS
Deposited By: Lindsay Cleary
Deposited On:28 Sep 2006
Last Modified:26 Dec 2012 09:03

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