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Proceedings Paper

Electronic-induced-transparency-like in a single polydimethysiloxane-coated whispering gallery mode microbubble resonator
Author(s): Xianlin Liu; Liang Fu; Xiaogang Chen; Qijing Lu; Xiang Wu; Shusen Xie
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Paper Abstract

We fabricated a polydimethylsiloxane (PDMS)-coated silica microbubble cavity with rich whispering gallery modes (WGMs). An electromagnetically induced transparency (EIT) window is realized through experimentally coupling a tapered fiber with the PDMS-coated microbubble resonator (MBR). There is a high-Q mode in the vicinity of a low-Q mode in transmission spectra. The experimental results prove that the high-Q mode performs a small redshift while the low-Q mode performs a large blueshift when the input power increases. This attributes to the negative thermo-optical coefficient (TOC) of PDMS and the positive TOC of silica. An EIT-like window is realized when these two modes are on-resonance with same frequency.

Paper Details

Date Published: 18 November 2019
PDF: 6 pages
Proc. SPIE 11193, Nanophotonics and Micro/Nano Optics V, 111931C (18 November 2019); doi: 10.1117/12.2537818
Show Author Affiliations
Xianlin Liu, Fujian Normal Univ. (China)
Liang Fu, Fujian Normal Univ. (China)
Xiaogang Chen, Fujian Normal Univ. (China)
Qijing Lu, Fujian Normal Univ. (China)
Xiang Wu, Fudan Univ. (China)
Shusen Xie, Fujian Normal Univ. (China)

Published in SPIE Proceedings Vol. 11193:
Nanophotonics and Micro/Nano Optics V
Zhiping Zhou; Kazumi Wada; Limin Tong, Editor(s)

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