Lead silicate glass microsphere resonators with absorption-limited Q

Pengfei Wang; Ganapathy Senthil Murugan; Timothy Lee; Xian Feng; Yuliya Semenova; Qiang Wu; Wei Loh; Gilberto Brambilla; James S. Wilkinson; Gerald Farrell

doi:10.1063/1.3586771

Lead silicate glass microsphere resonators with absorption-limited Q

Pengfei Wang, Ganapathy Senthil Murugan, Timothy Lee, Xian Feng, Yuliya Semenova, Qiang Wu, Wei Loh, Gilberto Brambilla, James S. Wilkinson, Gerald Farrell

School of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

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× 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.

Original language	English
Article number	181105
Journal	Applied Physics Letters
Volume	98
Issue number	18
DOIs	https://doi.org/10.1063/1.3586771
Publication status	Published - 2 May 2011

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10.1063/1.3586771

https://arrow.tudublin.ie/engscheceart/115Licence: CC BY-NC-SA

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title = "Lead silicate glass microsphere resonators with absorption-limited Q",

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× 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.",

author = "Pengfei Wang and Murugan, {Ganapathy Senthil} and Timothy Lee and Xian Feng and Yuliya Semenova and Qiang Wu and Wei Loh and Gilberto Brambilla and Wilkinson, {James S.} and Gerald Farrell",

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T1 - Lead silicate glass microsphere resonators with absorption-limited Q

AU - Wang, Pengfei

AU - Murugan, Ganapathy Senthil

AU - Lee, Timothy

AU - Feng, Xian

AU - Semenova, Yuliya

AU - Wu, Qiang

AU - Loh, Wei

AU - Brambilla, Gilberto

AU - Wilkinson, James S.

AU - Farrell, Gerald

PY - 2011/5/2

Y1 - 2011/5/2

N2 - 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× 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.

AB - 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× 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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U2 - 10.1063/1.3586771

DO - 10.1063/1.3586771

M3 - Article

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SN - 0003-6951

VL - 98

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 18

M1 - 181105

ER -

Lead silicate glass microsphere resonators with absorption-limited Q

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