Raman Mapping Characterization of All-Fiber CVD Monolayer Graphene Saturable Absorbers for Erbium-Doped Fiber Laser Mode Locking

被引：26
作者：
Rosa, Henrique G. [1 ]
Steinberg, David [1 ]
Zapata, Juan D. [2 ]
Saito, Lucia A. M. [1 ]
Cardenas, Ana M. [2 ]
Gomes, Jose C. V. [3 ,4 ]
De Souza, Eunezio A. Thoroh [1 ]
机构：
[1] Univ Prebiteriana Mackenzie, Mack Graphe Graphene & Nanomat Res Ctr, BR-01302907 Sao Paulo, Brazil
[2] Univ Antioquia, Medellin, Colombia
[3] Natl Univ Singapore, Ctr Adv Mat 2D, Singapore 117548, Singapore
[4] Natl Univ Singapore, Graphene Res Ctr, Singapore 117548, Singapore
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2015年 / 33卷 / 19期
基金：
巴西圣保罗研究基金会;
关键词：
Erbium; fiber lasers; graphene; laser mode-locking; nanomaterials; Raman spectroscopy; ATOMIC-LAYER GRAPHENE; WALL CARBON NANOTUBES; OPTICAL-PROPERTIES; PULSED LASERS; LARGE-AREA; MU-M; OXIDE; PHOTONICS; FILMS; GRAPHITE;
D O I：
10.1109/JLT.2015.2467173
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present a study on the characterization and quality evaluation of all-fiber chemical vapor deposition (CVD) graphene saturable absorber samples for Erbium-doped fiber laser (EDFL) mode locking. Optical fiber end faces covered by CVD graphene were analyzed by Raman spectroscopy, and classification criteria related to graphene Raman bands properties were adopted in order to evaluate samples quality. The analysis revealed that for all samples, the fiber core was 100% covered by graphene, with 88% average monolayer graphene coverage, and 82% low defect graphene coverage. Graphene samples were used as saturable absorbers in EDFL, and soliton-like pulses as short as 599 fs were generated, with average pulse duration of 620 +/- 10 fs among all samples.
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收藏
页码：4118 / 4123
页数：6
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