Flexible graphene saturable absorber on two-layer structure for tunable mode-locked soliton fiber laser
Author(s) -
Wei Xin,
Zhibo Liu,
Qiwen Sheng,
Ming Feng,
Ligang Huang,
Peng Wang,
Wenshuai Jiang,
Fei Xing,
Yange Liu,
JianGuo Tian
Publication year - 2014
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.22.010239
Subject(s) - materials science , saturable absorption , graphene , microfiber , optics , fiber laser , polydimethylsiloxane , laser , mode locking , optoelectronics , soliton , optical fiber , chemical vapor deposition , nanotechnology , composite material , physics , wavelength , nonlinear system , quantum mechanics
Using a two-layer structure consisting of polyethylene terephthalate (PET) and polydimethylsiloxane (PDMS) to support graphene grown by chemical vapor deposition (CVD), we demonstrate a flexible integrated graphene saturable absorber (SA) on microfiber for passive mode-locked soliton fiber laser. This method can optimize the light-graphene interaction by using evanescent field in the integration structure. Moreover, the fiber laser with the in-line microfiber-to-graphene SA can realize the tunabilities of both the 3dB bandwidth of output optical spectrum and the pulse width of soliton. This tunable mode-locked soliton laser has potential applications in optical communication, optical microscopy, and so on.
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