Passive mode-locking through nonlinear polarization rotation in low-birefringence fibers

被引:3
作者
Chang, CW [1 ]
Chi, S [1 ]
机构
[1] NATL CHIAO TUNG UNIV, INST ELECTROOPT ENGN, HSINCHU 300, TAIWAN
关键词
fiber laser; mode-locking; nonlinear polarization rotation;
D O I
10.1016/S0030-4018(96)00562-7
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A numerical model for the generation of ultrashort soliton pulses from erbium-doped fiber ring lasers is presented. The model is used to study the pulse dynamics of a simple cavity configuration that uses a low birefringence fiber combined with crossed polarizers. Simulations show that stable pulses with a FWHM as short as 70 fs can be generated. It is also shown that coherent coupling may enhance mode-locking in a weakly linearly birefringent fiber under optimum operation conditions, and in certain cases a period doubling bifurcation occurs due to residual linear birefringence in the fibers.
引用
收藏
页码:218 / 222
页数:5
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