Colliding-pulse passive harmonic mode-locking in femtosecond Yb-doped fiber laser with semiconductor saturable absorber
作者
Yujun Deng,Michael Koch,Fei Lu,G. W. Wicks,Wayne H. Knox
标识
DOI:10.1364/fio.2004.fws2
摘要
We demonstrate a passive harmonic mode-locked femtosecond Yb-doped fiber laser employing a semiconductor saturable absorber in a colliding-pulse configuration. 380-fs pulses at 605 MHz repetition rate with >55 dB supermode suppression is achieved.