In-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching

Leilei Shi; Tao Zhu; Dongmei Huang; Min Liu; Ming Deng; Wei Huang

doi:10.1117/12.2203104

1 July 2015 In-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching

Leilei Shi, Tao Zhu, Dongmei Huang, Min Liu, Ming Deng, Wei Huang

Author Affiliations +

Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 965546 (2015) https://doi.org/10.1117/12.2203104
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of

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.

Citation Download Citation

Leilei Shi, Tao Zhu, Dongmei Huang, Min Liu, Ming Deng, and Wei Huang "In-fiber whispering gallery mode resonator fabricated by femtosecond laser micromaching", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 965546 (1 July 2015); https://doi.org/10.1117/12.2203104

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