Open AccessFour-wave mixing assisted self-stable 4×10 GHz actively mode-locked Erbium fiber ring laser
Author(s) -
Ming Tang,
Xiaolei Tian,
Perry Ping Shum,
Songnian Fu,
Hui Dong,
Yandong Gong
Publication year - 2006
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.14.001726
Subject(s) - fiber laser , optics , materials science , laser , ring laser , four wave mixing , erbium , dispersion shifted fiber , wavelength , mode locking , fiber , optical fiber , nonlinear optics , optoelectronics , fiber optic sensor , physics , composite material
We proposed and developed a self-stable multiwavelength (4 cbannels) 10-GHz actively mode-locked Erbium-doped fiber ring laser with 0.8 nm wavelength spacing. A 1-km highly nonlinear fiber is incorporated in the laser cavity to eliminate the strong gain competitions in the homogeneously broadened EDF by multiple parametric four-wave mixing processes. The fiber nonlinearity is also helpful to provide phase locking and stabilize the output pulse. Stable laser pulses at 1556.55, 1557.36, 1558.17, and 1558.98 nm are successfully obtained simultaneously with supermode noise suppression ratio greater than 50 dB. The corresponding time-bandwidth products of four channels are 0.39 ~ 0.41.