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An in-fibre whispering-gallery modes microsphere resonator based integrated device

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journal contribution
posted on 2018-10-02, 13:46 authored by Meng Zhang, Wenlei Yang, Ke Tian, Jibo Yu, Angzhen Li, Shunbin Wang, ELFED LEWISELFED LEWIS, Gerald Farrell, Libo Yuan, Pengfei Wang
A novel in-fiber whispering-gallery mode (WGM) microsphere resonator-based integrated device is reported. It is fabricated by placing a silica microsphere into an embedded dual-core hollow fiber (EDCHF). Using a fiber tapering method, a silica microsphere can be placed and fixed in the transition section of the hollow core of the EDCHF. The transmitted light from the tapered-input single-mode fiber is coupled into the embedded silica microsphere via the two suspended fiber cores, and hence effectively excites the WGMs. A Q-factor of 5.54 × 103 is achieved over the wavelength range of 1100–1300 nm. The polarization and temperature dependence of the in-fiber WGM microsphere resonator device is also investigated experimentally. This integrated photonics device provides greatly improved mechanical stability, compared with the traditional tapered fiber-coupled WGM microresonator devices. Additional advantages include ease of fabrication, compact structure, and low cost. This novel in-fiberWGMresonator integrated device is ideally positioned to access a wide range of potential applications in optical sensing and microcavity lasing.

Funding

Tensor network algorithms for two-dimensional strongly correlated lattice systems

Deutsche Forschungsgemeinschaft

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São Paulo Research Foundation

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History

Publication

Optics Letters;43 (16), pp. 3961-3964

Publisher

Optical Society of America

Note

peer-reviewed

Other Funding information

National Natural Science Foundation of China, National Natural Science Foundation Youth Science Fund of China

Rights

This paper was published in Optics Letters and is made available as an electronic reprint with the permission of OSA. The paper can be found at the following URL on the OSA website: https://doi.org/10.1364/OL.43.003961. Systematic or multiple reproduction or distribution to multiple locations via electronic or other means is prohibited and is subject to penalties under law.

Language

English

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