Single-frequency 1178nm SDL/Yb-PBGF MOPA with an output power of 31 W

Tomi Leinonen; Mingchen Chen; Xinyan Fan; Emmi Kantola; Akira Shirakawa; Mircea Guina

doi:10.1117/12.2040113

7 March 2014 Single-frequency 1178nm SDL/Yb-PBGF MOPA with an output power of 31 W

Tomi Leinonen, Mingchen Chen, Xinyan Fan, Emmi Kantola, Akira Shirakawa, Mircea Guina

Proceedings Volume 8961, Fiber Lasers XI: Technology, Systems, and Applications; 896105 (2014) https://doi.org/10.1117/12.2040113
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

We report on the use of a Semiconductor Disk Laser (SDL) as a seed laser for an Ytterbium-Doped Photonic Bandgap Fiber (Yb-PBGF) amplifier in a Master-Oscillator Power-Amplifier (MOPA) configuration. The SDL comprised a GaInAs/GaAs/GaAsP gain chip, a 1-mm-thick etalon for mode selection, and a 3-mm-thick birefringent filter for wavelength tuning. The fiber amplifier consisted of an Yb-doped core surrounded by a structure of periodically arranged germanium rods with a pitch of 10.2 μm, and to maintain the polarization, the fiber comprised two boron rods. The output of the MOPA-configuration was 31 W and the linewidth of the amplifier output was 149±31 kHz.

Citation Download Citation

Tomi Leinonen, Mingchen Chen, Xinyan Fan, Emmi Kantola, Akira Shirakawa, and Mircea Guina "Single-frequency 1178nm SDL/Yb-PBGF MOPA with an output power of 31 W", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 896105 (7 March 2014); https://doi.org/10.1117/12.2040113

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