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Proceedings Paper

In-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching
Author(s): Leilei Shi; Tao Zhu; Dongmei Huang; Min Liu; Ming Deng; Wei Huang
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Paper Abstract

An in-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching is demonstrated. The cylinder resonator cavity is fabricated by scanning the D-fiber cladding with infrared femtosecond pulses along a cylindrical trace with radius of 25μm and height of 20μm. Quality factor on the order of 103 is achieved by smoothing the cavity surface with ultrasonic cleaner, which is mainly limited by the surface roughness of hundreds nanometers. Resonant characteristics and polarization dependence of the proposed resonator is also studied in detail. Our method takes a step forward to the integration of whispering gallery mode resonators.

Paper Details

Date Published: 1 July 2015
PDF: 4 pages
Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 965546 (1 July 2015); doi: 10.1117/12.2203104
Show Author Affiliations
Leilei Shi, Chongqing Univ. (China)
Tao Zhu, Chongqing Univ. (China)
Dongmei Huang, Chongqing Univ. (China)
Min Liu, Chongqing Univ. (China)
Ming Deng, Chongqing Univ. (China)
Wei Huang, Chongqing Univ. (China)


Published in SPIE Proceedings Vol. 9655:
Fifth Asia-Pacific Optical Sensors Conference
Byoungho Lee; Sang-Bae Lee; Yunjiang Rao, Editor(s)

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