Single-longitudinal-mode Fiber Ring Lasers With Taper-coupled Double-microsphere-cavities

Hongdan Wan; Linqian Liu; Zuoqin Ding; Jie Wang; Kaidi Lu; Zuxing Zhang; Lin Zhang

doi:10.1109/LPT.2017.2766183

Single-longitudinal-mode Fiber Ring Lasers With Taper-coupled Double-microsphere-cavities

Hongdan Wan, Linqian Liu, Zuoqin Ding, Jie Wang, Kaidi Lu, Zuxing Zhang, Lin Zhang

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

Abstract

This letter proposes and demonstrates a fiber ring laser using taper-coupled double-microsphere-cavities (DMC) to achieve single-longitudinal-mode operation. Whispering-gallery-mode (WGM) intensity distributions and transmission spectra of the DMC with different microsphere diameters are investigated both theoretically and experimentally. Due to the Vernier effect, the DMC can produce WGM spectra with a higher extinction ratio, a higher side-mode-suppression ratio (SMSR), a larger FSR and a narrower bandwidth, as compared to a single-microsphere cavity. A single-longitudinal-mode fiber ring laser operating near 1.5 μm with a bandwidth of < 0.01 nm and a signal-to-background ratio of about 60 dB is demonstrated using the taper-coupled DMC as an all-fiber mode selector.

Original language	English
Journal	IEEE Photonics Technology Letters
Volume	29
Issue number	23
Early online date	24 Oct 2017
DOIs	https://doi.org/10.1109/LPT.2017.2766183
Publication status	Published - Dec 2017

Bibliographical note

© 2017 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.

Funding: National Natural Science Foundation of China under Grant 11704199, in part by the National Science Foundation of Jiangsu Province under Grant BK20150858 and Grant BK20161521, in part by the Distinguished Professor Project of Jiangsu under Grant RK002STP14001, in part by the Talents Projects in Nanjing University of Posts and Telecommunications under Grant NY214002 and Grant NY215002, and in part by the STITP of NUPT under Grant XZD2017040.

Keywords

Cavity resonators
Fiber laser
Fiber lasers
Laser modes
Measurement by laser beam
Monte Carlo methods
Optical fibers
Single-longitudinal-mode
Taper-coupled double-microsphere-cavities
Vernier effect
Whispering-gallery-mode

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10.1109/LPT.2017.2766183

Single-Longitudinal-Mode Fiber Ring Lasers
© 2017 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.
Accepted author manuscript, 1.25 MB

Cite this

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title = "Single-longitudinal-mode Fiber Ring Lasers With Taper-coupled Double-microsphere-cavities",

abstract = "This letter proposes and demonstrates a fiber ring laser using taper-coupled double-microsphere-cavities (DMC) to achieve single-longitudinal-mode operation. Whispering-gallery-mode (WGM) intensity distributions and transmission spectra of the DMC with different microsphere diameters are investigated both theoretically and experimentally. Due to the Vernier effect, the DMC can produce WGM spectra with a higher extinction ratio, a higher side-mode-suppression ratio (SMSR), a larger FSR and a narrower bandwidth, as compared to a single-microsphere cavity. A single-longitudinal-mode fiber ring laser operating near 1.5 μm with a bandwidth of < 0.01 nm and a signal-to-background ratio of about 60 dB is demonstrated using the taper-coupled DMC as an all-fiber mode selector.",

keywords = "Cavity resonators, Fiber laser, Fiber lasers, Laser modes, Measurement by laser beam, Monte Carlo methods, Optical fibers, Single-longitudinal-mode, Taper-coupled double-microsphere-cavities, Vernier effect, Whispering-gallery-mode",

author = "Hongdan Wan and Linqian Liu and Zuoqin Ding and Jie Wang and Kaidi Lu and Zuxing Zhang and Lin Zhang",

note = " {\textcopyright} 2017 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information. Funding: National Natural Science Foundation of China under Grant 11704199, in part by the National Science Foundation of Jiangsu Province under Grant BK20150858 and Grant BK20161521, in part by the Distinguished Professor Project of Jiangsu under Grant RK002STP14001, in part by the Talents Projects in Nanjing University of Posts and Telecommunications under Grant NY214002 and Grant NY215002, and in part by the STITP of NUPT under Grant XZD2017040.",

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AU - Zhang, Zuxing

AU - Zhang, Lin

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N2 - This letter proposes and demonstrates a fiber ring laser using taper-coupled double-microsphere-cavities (DMC) to achieve single-longitudinal-mode operation. Whispering-gallery-mode (WGM) intensity distributions and transmission spectra of the DMC with different microsphere diameters are investigated both theoretically and experimentally. Due to the Vernier effect, the DMC can produce WGM spectra with a higher extinction ratio, a higher side-mode-suppression ratio (SMSR), a larger FSR and a narrower bandwidth, as compared to a single-microsphere cavity. A single-longitudinal-mode fiber ring laser operating near 1.5 μm with a bandwidth of < 0.01 nm and a signal-to-background ratio of about 60 dB is demonstrated using the taper-coupled DMC as an all-fiber mode selector.

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Single-longitudinal-mode Fiber Ring Lasers With Taper-coupled Double-microsphere-cavities

Abstract

Bibliographical note

Keywords

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