Journal
OPTICAL ENGINEERING
Volume 52, Issue 10, Pages -Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS
DOI: 10.1117/1.OE.52.10.106105
Keywords
nanomaterials; photonic crystals; ultrafast lasers; lasers; fiber
Categories
Funding
- NSFC [61007054, 61275144]
- Natural Science Fund of Guangdong province [S2013010012235]
- National High Technology Research and Development Program of China [2013AA031501, 2012AA041203]
- Improvement and Development Project of Shenzhen Key Lab [ZDSY20120612094924467]
- Science and Technology Project of Shenzhen City [JCYJ20120613172042264, JCYJ20130329142040731]
- Natural Science Foundation of SZU [201221]
- Open Research Fund of Key Laboratory of High Performance Complex Manufacturing, Central South University [HPCM-2013-10]
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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. (C) 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
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