High power, high signal-to-noise ratio single-frequency 1 μm Brillouin all-fiber laser

Jing Wang; Yubin Hou; Qian Zhang; Dongchen Jin; Ruoyu Sun; Hongxing Shi; Jiang Liu; Pu Wang

doi:10.1117/12.2212728

11 March 2016 High power, high signal-to-noise ratio single-frequency 1μm Brillouin all-fiber laser

Jing Wang, Yubin Hou, Qian Zhang, Dongchen Jin, Ruoyu Sun, Hongxing Shi, Jiang Liu, Pu Wang

Proceedings Volume 9728, Fiber Lasers XIII: Technology, Systems, and Applications; 97281V (2016) https://doi.org/10.1117/12.2212728
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

We demonstrate a high-power, high signal-to-noise ratio single-frequency 1 μm Brillouin all-fiber laser with high slope efficiency. The Brillouin laser system consists of a high-power single-frequency fiber laser and a single-pass Brillouin ring cavity. The high-power single-frequency fiber laser is one-stage master-oscillator power amplifier with the maximum output power of 10.33 W, the signal-to-noise ratio of 50 dB and the slope efficiency of 46%. The Brillouin fiber laser is pumped by the amplified laser with a linewidth of 33 kHz and an output power of 2.61 W limited by the damage threshold of the optical isolator. By optimizing the length of the Brillouin ring cavity to 10 m, stable singlefrequency Brillouin fiber laser is obtained with 3 kHz linewidth owing to the linewidth narrowing effect. At the launched pump power of 2.15 W, the Brillouin fiber laser generates maximum output power of 1.4 W with a slope efficiency of 79% and the optical signal-to-noise ratio of 77 dB.

Citation Download Citation

Jing Wang, Yubin Hou, Qian Zhang, Dongchen Jin, Ruoyu Sun, Hongxing Shi, Jiang Liu, and Pu Wang "High power, high signal-to-noise ratio single-frequency 1μm Brillouin all-fiber laser", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97281V (11 March 2016); https://doi.org/10.1117/12.2212728

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