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Optical Engineering

Cladding-filled graphene in a photonic crystal fiber as a saturable absorber and its first application for ultrafast all-fiber laser
Author(s): Junqing Zhao; Shuangchen Ruan; Peiguang Yan; Han Zhang; Yongqin Yu; Huifeng Wei; Jie Luo
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Paper Abstract

We demonstrate a saturable absorber (SA) based on cladding-filled graphene in a specially designed and manufactured photonic crystal fiber (PCF) for the first time. The saturation absorption property is achieved through the evanescent coupling between the guided light and the cladding-filled graphene layers. To boost the mutual interaction, the PCF is designed to contain five large air holes in the cladding and small-core region. Employing this graphene-PCF SA device, we construct an erbium-doped all-fiber laser oscillator and achieve mode-locked operation. This device can pave the way for high power and all-fiber applications of photonics with graphene with some unique advantages, such as single-mode operation, nonlinearity enhancement, high-power tolerance, environmental robustness, all-fiber configuration, and easy fabrication.

Paper Details

Date Published: 10 October 2013
PDF: 8 pages
Opt. Eng. 52(10) 106105 doi: 10.1117/1.OE.52.10.106105
Published in: Optical Engineering Volume 52, Issue 10
Show Author Affiliations
Junqing Zhao, Shenzhen Univ. (China)
Shuangchen Ruan, Shenzhen Univ. (China)
Peiguang Yan, Shenzhen Univ. (China)
Han Zhang, Shenzhen Univ. (China)
Yongqin Yu, Shenzhen Univ. (China)
Huifeng Wei, Yangtze Optical Fibre and Cable Co., Ltd. (China)
Jie Luo, Yangtze Optical Fibre and Cable Co., Ltd. (China)


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