122-W high-power single-frequency MOPA fiber laser in all-fiber format

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

doi:10.3788/col201109.111404

Journals >Chinese Optics Letters >Volume 9 >Issue 11 >Page 111404 > Article

Chinese Optics Letters
Vol. 9, Issue 11, 111404 (2011)

122-W high-power single-frequency MOPA fiber laser in all-fiber format

[in Chinese]¹, [in Chinese]¹, [in Chinese]², [in Chinese]³, [in Chinese]¹, [in Chinese]¹, and [in Chinese]¹

Author Affiliations

¹College of Opto-Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China

²Institute of Optical Communication Materials, South China University of Technology, Guangzhou 510641, China

³China Electronics Technology Group Corporation No.23 Research Institute (CETC 23RI), Shanghai 201900, China

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DOI: 10.3788/col201109.111404 Cite this Article Set citation alerts

[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. 122-W high-power single-frequency MOPA fiber laser in all-fiber format[J]. Chinese Optics Letters, 2011, 9(11): 111404 Copy Citation Text

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Abstract

We demonstrate a high-power single-frequency master oscillator power amplifier (MOPA) fiber laser. The central wavelength of the single-frequency fiber laser seed is 1 063.8 nm, with a linewidth narrower than 20 kHz and output power of 120 mW. By using two-stage amplification, a single-frequency fiber laser with an output power of 122 W is obtained, and the optical-optical conversion efficiency is 72%. No significant amplified spontaneous emission (ASE) or stimulated Brillouin scattering (SBS) is observed. The output power can be further increased by launching more pump power.

Keywords

060.2320 140.3480 140.3510 140.3615

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