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9 March 2023 Novel 2039 nm DFB FBG Tm-doped fiber laser source with high optical-optical pump efficiency
Wiktor T. Walasik, Shivaraman Asoda, Jean-Marc Delavaux, Emmanuel Pinsard
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Proceedings Volume 12400, Fiber Lasers XX: Technology and Systems; 124000B (2023) https://doi.org/10.1117/12.2648344
Event: SPIE LASE, 2023, San Francisco, California, United States
Abstract
We present the design and performance of a narrow linewidth single frequency 2039 nm distributed feedback (DFB) fiber Bragg grating (FBG) fiber laser source with a novel optical pumping configuration at 1567 nm that significantly increases optical-optical pump conversion efficiency. Our new configuration employs an optical circulator and a reflector at 1567 nm to efficiently recycle pump light that is not absorbed in the first pass through the FBG-DFB fiber laser. We report a comparison of simulations with experimental results for the novel high efficiency single frequency 2039 nm Tm-doped fiber laser source.
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Wiktor T. Walasik, Shivaraman Asoda, Jean-Marc Delavaux, and Emmanuel Pinsard "Novel 2039 nm DFB FBG Tm-doped fiber laser source with high optical-optical pump efficiency", Proc. SPIE 12400, Fiber Lasers XX: Technology and Systems, 124000B (9 March 2023); https://doi.org/10.1117/12.2648344
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KEYWORDS
Fiber Bragg gratings
Fiber lasers
Laser sources
Data conversion
Heterodyning
Sensing systems
Optical simulations
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