Journal
OPTICS EXPRESS
Volume 23, Issue 20, Pages 26158-26167Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.23.026158
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Funding
- National Natural Science Foundation of China (NSFC) [61222502, 61077051]
- Program for New Century Excellent Talents in University [NCET-11-0182]
- Wuhan Science and Technology Plan Project [2014070404010201]
- Fundamental Research Funds for the Central Universities (HUST) [2012YQ008, 2013ZZGH003]
- Wuhan National Laboratory for Optoelectronics (WNLO)
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We fabricate a nonlinear optical device based on a fiber pigtail cross-section coated with a single-layer graphene grown by chemical vapor deposition (CVD) method. Using such graphene-assisted nonlinear optical device, we experimentally demonstrate tunable wavelength conversion of a 10 Gbaud quadrature phase-shift keying (QPSK) signal by exploiting degenerate four-wave mixing (FWM) progress in graphene. We study the conversion efficiency as functions of the pump power and pump wavelength and evaluate the bit-error rate (BER) performance. The observed optical signal-to-noise ratio (OSNR) penalties for tunable QPSK wavelength conversion are less than 2.2 dB at a BER of 1 x 10(-3). (C) 2015 Optical Society of America
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