All-fiber passively mode-locked thulium-doped fiber ring laser using optically deposited graphene saturable absorbers

Qingqing Wang, Tong Chen, Botao Zhang, Mingshan Li, Yongfeng Lu, Kevin P. Chen

Research output: Contribution to journalArticle

77 Citations (Scopus)

Abstract

An all-fiber passively mode-locked thulium-doped fiber ring oscillator is constructed using optically deposited few layer graphene micro-sheets as the saturable absorber (SA). The mode-lock operation was achieved by 130-mW pump power at 1.5-μm. The fiber oscillator produces 2.1-ps soliton pulse output with 80-pJ per pulse energy. The 3-dB bandwidth of the laser output was measured as 2.2-nm. The RF signal-to-noise ratio of 50-dB and sub 20-Hz 3-dB bandwidth of the laser output confirms the stable laser operation with low time jittering. This paper shows that graphene can be an effective saturable absorber for the development of mid-IR fiber mode-locked laser.

Original languageEnglish (US)
Article number131117
JournalApplied Physics Letters
Volume102
Issue number13
DOIs
StatePublished - Apr 1 2013

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thulium
ring lasers
fiber lasers
absorbers
graphene
fibers
laser outputs
oscillators
bandwidth
pulses
lasers
signal to noise ratios
solitary waves
pumps
output
rings
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

All-fiber passively mode-locked thulium-doped fiber ring laser using optically deposited graphene saturable absorbers. / Wang, Qingqing; Chen, Tong; Zhang, Botao; Li, Mingshan; Lu, Yongfeng; Chen, Kevin P.

In: Applied Physics Letters, Vol. 102, No. 13, 131117, 01.04.2013.

Research output: Contribution to journalArticle

Wang, Qingqing ; Chen, Tong ; Zhang, Botao ; Li, Mingshan ; Lu, Yongfeng ; Chen, Kevin P. / All-fiber passively mode-locked thulium-doped fiber ring laser using optically deposited graphene saturable absorbers. In: Applied Physics Letters. 2013 ; Vol. 102, No. 13.
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