Wavelength-Switchable Ytterbium-Doped Fiber Laser Based on All-Fiber Lyot Interferometer Filter
Source abstract
Abstract
A wavelength-switchable ring-cavity ytterbium-doped fiber laser utilizing an all-fiber Lyot interferometer filter was proposed and experimentally demonstrated. Firstly, the Lyot filter was constructed using a polarization-maintaining fiber (PMF) to obtain a comb interferometer effect, and the free spectrum ranges corresponding to 2.5 and 1 m PMF were 2.2 and 6.4 nm, respectively. Then, wavelength-switchable ytterbium-doped fiber emission was realized in the experiment, and the tunable range for the single-wavelength laser was from 1073.76 to 1086.78 nm, with a power variation of less than 1.959 dB. During the experiment, four different sets of double-wavelength lasers were achieved by adjusting the polarization controller (PC) from 1071.64 to 1081.65 nm; in addition, three different sets of triple-wavelength lasers were realized, and the signal-to-noise ratio (SNR) was more than 33.031 dB. For stable single-, double-, and triple-wavelength lasers, the power shifts were less than 0.574, 0.631, and 1.195 dB, respectively. Through adjusting the PC, quadruple-wavelength-switchable lasers could be realized with an SNR exceeding 26.233 dB.
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Research context
OpenAlex topics: Advanced Fiber Optic Sensors · Advanced Fiber Laser Technologies · Photonic Crystal and Fiber Optics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
The State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China
Key Laboratory of Advanced Manufacturing Technology of Zhejiang Province, Zhejiang University, Hangzhou 310027, China
Funding
Shandong Provincial Key Research and Development Program
References (26)
Show source-provided references
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