title: 37.4 fs pulse generation in an Er:fiber laser at a 225 MHz repetition rate.
abstract: We report 37.4 fs pulse generation from a ring-cavity Er:fiber laser at a repetition rate of 225 MHz. The spectral bandwidth of the pulse is 135 nm. The single-pulse energy is 0.31 nJ.
authors.affiliation: Institute of Quantum Electronics, State Key Laboratory of Advanced Optical Communication System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China. madingpku@yahoo.cn
authors.forename: Ding
authors.initials: D
authors.lastname: Ma
authors.forename: Yue
authors.initials: Y
authors.lastname: Cai
authors.forename: Chun
authors.initials: C
authors.lastname: Zhou
authors.forename: Weijian
authors.initials: W
authors.lastname: Zong
authors.forename: Lingling
authors.initials: L
authors.lastname: Chen
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Zhang