首页|1.6-μm single-frequency erbium-doped fiber laser based on two cascaded subrings
1.6-μm single-frequency erbium-doped fiber laser based on two cascaded subrings
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We demonstrate a stable narrow linewidth single-frequency erbium-doped fiber laser[EDFL]operating at 1.6 μm.A Fabry-Perot fiber Bragg grating and two cascaded subrings are incorporated in the main ring cavity to achieve single-frequency operation.The experimentally measured optical signal-to-noise ratio is greater than 73 dB.Furthermore,the linewidth of the EDFL is measured to be about 480 Hz by the self-built short-delayed self-heterodyne interferometry device.The laser shows superior stability,with no mode-hopping during the 60-min observation period.The proposed EDFL provides a new experimental idea for realizing a single-frequency fiber laser in the L-band.
erbium-doped fiber lasertwo cascaded subringssingle frequency
翟雅琦、文瀚、陈浩伟、陆宝乐、白晋涛
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State Key Laboratory of Energy Photon-Technology in Western China,International Collaborative Center on Photoelectric Technology and Nano Functional Materials,Institute of Photonics & Photon-Technology,Northwest University,Xi'an 710127,China
Shaanxi Engineering Technology Research Center for Solid State Lasers and Application,Shaanxi Provincial Key Laboratory of Photo-electronic Technology,Northwest University,Xi'an 710127,China
Shaanxi Key Science and Technology Innovation Team Project
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