Observation of spectral enhancement in a soliton fiber laser with fiber Bragg grating.
We demonstrate that soliton generation in a fiber laser containing a fiber Bragg grating exhibits spectral enhancement near the Bragg resonance wavelength. The Bragg grating leads to a spectral hole on the soliton spectrum while the observed enhancement is always located at the long wavelength side of the Bragg resonance.
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Department of Electronic and Information Engineering, Hong Kong Polytechnic University, Hung Hom, Hong Kong, China. enlmzhao@polyu.edu.hk
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