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29 November 2012 Narrow linewidth, wavelength-stable Er/Yb co-doped fiber MOPA source operating at 1547.8 nm
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Abstract
In this paper, we demonstrate the output characteristics of a kind of all-fiber optical source based on Er3+/Yb3+ co-doped double-clad fiber (EY-DCF) in a master oscillator-power amplifier (MOPA) configuration. The amplifier is composed of a 10m long EYDCF, two isolators at both input and output terminals, and a 976nm pump diode connecting with the EYDCF via a side-pump fiber coupler. A DFB diode laser operating at 1547.8nm serves as the master oscillator. A maximum output power of 1.16W is obtained. The gain of the fiber amplifiers is up to 30.7dB. The wavelength centered at 1547.8nm with a spectral width no more than 0.02nm shows longtime stability.
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Hongxin Su, Xiaoming Li, Zhitao Dai, Lijing Xu, and Xu Li "Narrow linewidth, wavelength-stable Er/Yb co-doped fiber MOPA source operating at 1547.8 nm", Proc. SPIE 8551, High-Power Lasers and Applications VI, 85511E (29 November 2012); https://doi.org/10.1117/12.999930
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