10 October 2013 Cladding-filled graphene in a photonic crystal fiber as a saturable absorber and its first application for ultrafast all-fiber laser
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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.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
Junqing Zhao, Junqing Zhao, Shuangchen Ruan, Shuangchen Ruan, Peiguang Yan, Peiguang Yan, Han Zhang, Han Zhang, Yongqin Yu, Yongqin Yu, Huifeng Wei, Huifeng Wei, Jie Luo, Jie Luo, } "Cladding-filled graphene in a photonic crystal fiber as a saturable absorber and its first application for ultrafast all-fiber laser," Optical Engineering 52(10), 106105 (10 October 2013). https://doi.org/10.1117/1.OE.52.10.106105 . Submission:
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