Journal
OPTICS EXPRESS
Volume 24, Issue 23, Pages 26035-26043Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.24.026035
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Funding
- National Science Foundation [1335609]
- National Natural Science Foundation of China (NSFC) [61320106001]
- State Key Laboratory of Advanced Optical Communication Systems and Networks, China
- Office of Science, Office of Basic Energy Sciences, Materials Science and Engineering Division, of the U.S. Department of Energy [DE-AC02- 05CH11231, KC2207, KCWF16]
- Directorate For Engineering [1335609] Funding Source: National Science Foundation
- Div Of Civil, Mechanical, & Manufact Inn [1335609] Funding Source: National Science Foundation
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We demonstrate efficient optical modulation of surface-normal reflection in a novel device structure integrating graphene on a high contrast grating (HCG) resonator. As high as 11 dB extinction ratio is achieved by varying the voltage applied to a single atomic layer of graphene on a HCG resonator. The device topology facilitates easy fabrication of large 2D arrays, and free-space operation. We also demonstrate a graphene-oxide-graphene structure which can potentially operate at MHz operation speed. The devices are fully fabricated by standard CMOS compatible processes indicating that the integrated structure of graphene-on-HCG shows great promise for display, imaging and interconnects applications with low-cost and large scalability. (C) 2016 Optical Society of America.
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