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Lead silicate glass microsphere resonators with absorption-limited Q

Wang, Pengfei, Murugan, Ganapathy Senthil, Lee, Timothy, Feng, Xian, Semenova, Yuliya, Wu, Qiang, Loh, Wei, Brambilla, Gilberto, Wilkinson, James S. and Farrell, Gerald (2011) Lead silicate glass microsphere resonators with absorption-limited Q Applied Physics Letters, 98, (18), 181105-[3pp]. (doi:10.1063/1.3586771).

Record type: Article

Abstract

We report the fabrication and characterization of a lead-silicate glass microsphere resonator. We show that at the wavelengths near 1555 nm high Q modes can be efficiently excited from a 109 µm diameter lead-silicate glass microsphere via evanescent coupling using a tapered silica fiber with a waist diameter of 2 µm. Resonances with Q-factors as high as 0.9 x 10^7 were observed. This is very close to the theoretical material-limited Q-factor and is the highest Q-factor reported so far from a nonlinear glass microsphere.

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More information

Published date: May 2011
Organisations: Optoelectronics Research Centre, Electronics & Computer Science

Identifiers

Local EPrints ID: 191179
URI: http://eprints.soton.ac.uk/id/eprint/191179
ISSN: 0003-6951
PURE UUID: 4d5f8e4d-c8ed-42c3-b39d-2f65847e5a00
ORCID for Ganapathy Senthil Murugan: ORCID iD orcid.org/0000-0002-2733-3273
ORCID for James S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 17 Jun 2011 10:28
Last modified: 18 Jul 2017 11:36

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Contributors

Author: Pengfei Wang
Author: Timothy Lee
Author: Xian Feng
Author: Yuliya Semenova
Author: Qiang Wu
Author: Wei Loh
Author: Gerald Farrell

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