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Lead silicate glass microsphere resonators with absorption-limited Q

Lead silicate glass microsphere resonators with absorption-limited Q
Lead silicate glass microsphere resonators with absorption-limited Q
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 107 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.
0003-6951
Wang, Pengfei
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Murugan, Ganapathy Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Feng, Xian
b1a28be8-c603-4239-9c93-b2c14274e9c7
Semenova, Yuliya
6e64157c-40b6-4eb5-938c-ae2dd348f652
Wu, Qiang
fad3844e-9eba-496c-876d-3bbc9ee4a689
Loh, Wei
2b7c57fe-000d-4405-a529-810597317ea8
Brambilla, Gilberto
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Wilkinson, James S.
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Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f
Wang, Pengfei
a1ba240f-d4f0-4150-bcd8-cb418e841dcb
Murugan, Ganapathy Senthil
a867686e-0535-46cc-ad85-c2342086b25b
Lee, Timothy
beb3b88e-3e5a-4c3f-8636-bb6de8040fcc
Feng, Xian
b1a28be8-c603-4239-9c93-b2c14274e9c7
Semenova, Yuliya
6e64157c-40b6-4eb5-938c-ae2dd348f652
Wu, Qiang
fad3844e-9eba-496c-876d-3bbc9ee4a689
Loh, Wei
2b7c57fe-000d-4405-a529-810597317ea8
Brambilla, Gilberto
815d9712-62c7-47d1-8860-9451a363a6c8
Wilkinson, James S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Farrell, Gerald
6c4b8f27-d88c-41a2-87ff-f2466225798f

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]. (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 107 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: 07 Oct 2020 04:47

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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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