Passively harmonic mode-locked Yb-doped fiber laser for supercontinuum generation

Jing Gao; Tingwu Ge; Zhiyong Wang

doi:10.1117/1.OE.53.8.086109

19 August 2014 Passively harmonic mode-locked Yb-doped fiber laser for supercontinuum generation

Jing Gao, Tingwu Ge, Zhiyong Wang

Author Affiliations +

Optical Engineering, Vol. 53, Issue 8, 086109 (August 2014). https://doi.org/10.1117/1.OE.53.8.086109

Abstract

We demonstrate an all-normal dispersion passively mode-locked Yb-doped fiber laser for the supercontinuum (SC) generation based on the nonlinear polarization rotation technique. A piece of polarization-maintaining fiber is utilized in the cavity as a spectral filter. By changing the pump power as well as the polarization states, pulses at repetition rates of 22.85, 45.7, 91.40 MHz can be achieved, corresponding to the fundamental and the second- and the fourth-ordered repetition rates, respectively. The output spectrum has a central wavelength of 1040 nm with steep edges, which indicates that it is a dissipative soliton (DS) mode-locking state. By launching the amplified DS pulses into a piece of photonic crystal fiber at a fundamental repetition rate, SC exhibiting a spectral range from 700 to 1700 nm is realized.

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Jing Gao, Tingwu Ge, and Zhiyong Wang "Passively harmonic mode-locked Yb-doped fiber laser for supercontinuum generation," Optical Engineering 53(8), 086109 (19 August 2014). https://doi.org/10.1117/1.OE.53.8.086109

Published: 19 August 2014

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