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

被引：102

作者：

Wang, QingQing ^{[1
]}

Chen, Tong ^{[1
]}

Zhang, Botao ^{[1
]}

Li, Mingshan ^{[1
]}

Lu, Yongfeng ^{[2
]}

Chen, Kevin P. ^{[1
]}

机构：

[1] Univ Pittsburgh, Dept Elect Engn, Pittsburgh, PA 15261 USA

[2] Univ Nebraska, Dept Elect Engn, Lincoln, NE 68588 USA

来源：

APPLIED PHYSICS LETTERS | 2013年 / 102卷 / 13期

基金：

美国国家科学基金会;

关键词：

ATOMIC-LAYER GRAPHENE; SOLITON; LOCKING;

D O I：

10.1063/1.4800036

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

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-mu m. 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. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4800036]

引用

页数：4

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