Observation of Coexisting Dissipative Solitons in a Mode-Locked Fiber Laser.
作者信息
Bao Chengying, Chang Wonkeun, Yang Changxi, Akhmediev Nail, Cundiff Steven T
机构信息
JILA, University of Colorado & National Institute of Standards and Technology, Boulder, Colorado 80309-0440, USA.
State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University, Beijing 100084, China.
出版信息
Phys Rev Lett. 2015 Dec 18;115(25):253903. doi: 10.1103/PhysRevLett.115.253903.
We show, experimentally and numerically, that a mode-locked fiber laser can operate in a regime where two dissipative soliton solutions coexist and the laser will periodically switch between the solutions. The two dissipative solitons differ in their pulse energy and spectrum. The switching can be controlled by an external perturbation and triggered even when switching does not occur spontaneously. Numerical simulations unveil the importance of the double-minima loss spectrum and nonlinear gain to the switching dynamics.
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