Stable mode-locked fiber laser based on CVD fabricated graphene saturable absorber

Pi Ling Huang; Shau Ching Lin; Chao Yung Yeh; Hsin Hui Kuo; Shr Hau Huang; Gong Ru Lin; Lain Jong Li; Ching Yuan Su; Wood Hi Cheng

doi:10.1364/OE.20.002460

Stable mode-locked fiber laser based on CVD fabricated graphene saturable absorber

Pi Ling Huang^*, Shau Ching Lin, Chao Yung Yeh, Hsin Hui Kuo, Shr Hau Huang, Gong Ru Lin, Lain Jong Li, Ching Yuan Su, Wood Hi Cheng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

184 Scopus citations

Abstract

A stable mode-locked fiber laser (MLFL) employing multi-layer graphene as saturable absorber (SA) is presented. The multi-layer graphene were grown by chemical vapor deposition (CVD) on Ni close to A-A stacking. Linear absorbance spectrum of multi-layer graphene was observed without absorption peak from 400 to 2000 nm. Optical nonlinearities of different atomic-layers (7-, 11-, 14-, and 21-layers) graphene based SA are investigated and compared. The results found that the thicker 21-layer graphene based SA exhibited a smaller modulation depth (MD) value of 2.93% due to more available density of states in the band structure of multilayer graphene and favored SA nonlinearity. A stable MLFL of 21-layer graphene based SA showed a pulsewidth of 432.47 fs, a bandwidth of 6.16 nm, and a time-bandwidth product (TBP) of 0.323 at fundamental solitonlike operation. This study demonstrates that the atomic-layer structure of graphene from CVD process may provide a reliable graphene based SA for stable soliton-like pulse formation of the MLFL.

Original language	English (US)
Pages (from-to)	2460-2465
Number of pages	6
Journal	Optics Express
Volume	20
Issue number	3
DOIs	https://doi.org/10.1364/OE.20.002460
State	Published - Jan 30 2012
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Stable mode-locked fiber laser based on CVD fabricated graphene saturable absorber",

abstract = "A stable mode-locked fiber laser (MLFL) employing multi-layer graphene as saturable absorber (SA) is presented. The multi-layer graphene were grown by chemical vapor deposition (CVD) on Ni close to A-A stacking. Linear absorbance spectrum of multi-layer graphene was observed without absorption peak from 400 to 2000 nm. Optical nonlinearities of different atomic-layers (7-, 11-, 14-, and 21-layers) graphene based SA are investigated and compared. The results found that the thicker 21-layer graphene based SA exhibited a smaller modulation depth (MD) value of 2.93% due to more available density of states in the band structure of multilayer graphene and favored SA nonlinearity. A stable MLFL of 21-layer graphene based SA showed a pulsewidth of 432.47 fs, a bandwidth of 6.16 nm, and a time-bandwidth product (TBP) of 0.323 at fundamental solitonlike operation. This study demonstrates that the atomic-layer structure of graphene from CVD process may provide a reliable graphene based SA for stable soliton-like pulse formation of the MLFL.",

author = "Huang, {Pi Ling} and Lin, {Shau Ching} and Yeh, {Chao Yung} and Kuo, {Hsin Hui} and Huang, {Shr Hau} and Lin, {Gong Ru} and Li, {Lain Jong} and Su, {Ching Yuan} and Cheng, {Wood Hi}",

year = "2012",

month = jan,

day = "30",

doi = "10.1364/OE.20.002460",

language = "English (US)",

volume = "20",

pages = "2460--2465",

journal = "Optics Express",

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T1 - Stable mode-locked fiber laser based on CVD fabricated graphene saturable absorber

AU - Huang, Pi Ling

AU - Lin, Shau Ching

AU - Yeh, Chao Yung

AU - Kuo, Hsin Hui

AU - Huang, Shr Hau

AU - Lin, Gong Ru

AU - Li, Lain Jong

AU - Su, Ching Yuan

AU - Cheng, Wood Hi

PY - 2012/1/30

Y1 - 2012/1/30

N2 - A stable mode-locked fiber laser (MLFL) employing multi-layer graphene as saturable absorber (SA) is presented. The multi-layer graphene were grown by chemical vapor deposition (CVD) on Ni close to A-A stacking. Linear absorbance spectrum of multi-layer graphene was observed without absorption peak from 400 to 2000 nm. Optical nonlinearities of different atomic-layers (7-, 11-, 14-, and 21-layers) graphene based SA are investigated and compared. The results found that the thicker 21-layer graphene based SA exhibited a smaller modulation depth (MD) value of 2.93% due to more available density of states in the band structure of multilayer graphene and favored SA nonlinearity. A stable MLFL of 21-layer graphene based SA showed a pulsewidth of 432.47 fs, a bandwidth of 6.16 nm, and a time-bandwidth product (TBP) of 0.323 at fundamental solitonlike operation. This study demonstrates that the atomic-layer structure of graphene from CVD process may provide a reliable graphene based SA for stable soliton-like pulse formation of the MLFL.

AB - A stable mode-locked fiber laser (MLFL) employing multi-layer graphene as saturable absorber (SA) is presented. The multi-layer graphene were grown by chemical vapor deposition (CVD) on Ni close to A-A stacking. Linear absorbance spectrum of multi-layer graphene was observed without absorption peak from 400 to 2000 nm. Optical nonlinearities of different atomic-layers (7-, 11-, 14-, and 21-layers) graphene based SA are investigated and compared. The results found that the thicker 21-layer graphene based SA exhibited a smaller modulation depth (MD) value of 2.93% due to more available density of states in the band structure of multilayer graphene and favored SA nonlinearity. A stable MLFL of 21-layer graphene based SA showed a pulsewidth of 432.47 fs, a bandwidth of 6.16 nm, and a time-bandwidth product (TBP) of 0.323 at fundamental solitonlike operation. This study demonstrates that the atomic-layer structure of graphene from CVD process may provide a reliable graphene based SA for stable soliton-like pulse formation of the MLFL.

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DO - 10.1364/OE.20.002460

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JO - Optics Express

JF - Optics Express

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ER -

Stable mode-locked fiber laser based on CVD fabricated graphene saturable absorber

Abstract

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