Bound dissipative-pulse evolution in the all-normal dispersion fiber laser using a 45° tilted fiber grating

Xianglian Liu, Hushan Wang, Yishan Wang, Wei Zhao, Wei Zhang, Zhijun Yan, Lin Zhang, Guangde Chen

Research output: Contribution to journalLetter

Abstract

The formation and evolution of bound dissipative pulses in the all-normal dispersion Yb-fiber laser based on a novel 45° tilted fiber grating (TFG) are first investigated both numerically and experimentally. Based on the nonlinear polarization rotation technique, the TFG and two polarization controllers (PCs) are exploited for stable self-started passive mode locking. Numerical results show that the formation of bound-state pulses in the all-normal dispersion region is the progress of soliton shaping through the dispersive waves and follows the soliton energy quantization effect. Theoretical and experimental results demonstrate that the formation mechanism of bound-state pulses can be attributed to the high pump strength and effective filter bandwidth. The obtained bound-state dissipative pulses with quasi-rectangular spectral profile have fixed pulse separation as a function of pump power.

Original languageEnglish
Article number095103
Number of pages7
JournalLaser Physics Letters
Volume10
Issue number9
DOIs
Publication statusPublished - 9 Aug 2013

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