期刊
OPTICS EXPRESS
卷 22, 期 1, 页码 803-808出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.22.000803
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资金
- Creative Research Program of the ETRI, Korea [13ZE1110]
- Center for Advanced Soft Electronics under the Global Frontier Research Program of the Ministry of Education, Science and Technology, Korea [2011-0031660]
- National Research Council of Science & Technology (NST), Republic of Korea [13ZE1110] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We developed a planar-type graphene-based plasmonic photodetector (PD) for the development of all-graphene photonic-integrated-circuits (PICs). By configuring the graphene plasmonic waveguide and PD structure all-in-one, the proposed graphene PD detects horizontally incident light. The photocurrent profile with opposite polarity is the maximum at graphene-electrode interfaces due to a Schottky-like barrier effect at the interface. The photocurrent amplitude increases with an increase of the graphene-metal interface length. Obtaining time constants of less than 39.7 ms for the time response, we concluded that the proposed graphene PD could be exploited further for application in all graphene-based PICs. (C) 2014 Optical Society of America
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