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).
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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.
|Digital Object Identifier (DOI):||doi:10.1063/1.3586771|
|Subjects:||Q Science > QC Physics|
|Divisions :||University Structure - Pre August 2011 > Optoelectronics Research Centre
University Structure - Pre August 2011 > School of Electronics and Computer Science
|Accepted Date and Publication Date:||
|Date Deposited:||17 Jun 2011 10:28|
|Last Modified:||18 Jan 2017 14:17|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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