Journal
OPTICS EXPRESS
Volume 23, Issue 8, Pages 10764-10770Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.23.010764
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Funding
- National Key Basic Research Program of China [2013CB328703]
- National Natural Science Foundation of China [61475140]
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We demonstrate ultrafast optical modulation using a single 1-mu m-diameter graphene-decorated microfiber, which is fabricated with a convenient and controllable evanescent-field-induced deposition method. Benefitting from the significantly enhanced light-graphene interaction of the subwavelength transvers dimension of the microfiber and accumulation of the saturable absorption of the piled graphene flakes, the microfiber shows nonlinear saturable absorption with a peak power threshold down to 1.75 W (60 MW/cm(2)), with a measured response time of about 3.5 ps. (C)2015 Optical Society of America
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