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Abstract:
The influences of central wavelength of the seed pulse and gain fiber length of the amplifier on the characteristics of broadband spectra are systematically investigated based on nonlinear ytterbium-doped fiber amplifiers. The dissipative solitons from the nonlinear amplifier are obtained by using the nonlinear polarization rotation mode-locking technique. The best flat wide spectrum with wavelength range of 1040-1600 nm is obtained when the center wavelength of the seed pulse is 1041 nm and the gain fiber length of the amplifier is 8 m. The flatness is about 10 dB, and the wide spectral flatness is less than 1.5 dB from 1040 to 1250 nm. © 2019, Chinese Lasers Press. All right reserved.
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Chinese Journal of Lasers
ISSN: 0258-7025
Year: 2019
Issue: 9
Volume: 46
Cited Count:
SCOPUS Cited Count: 2
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 10
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