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학술지 Graphene-Based Plasmonic Photodetector for Photonic Integrated Circuits
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저자
김진태, 유영준, 최홍규, 최춘기
발행일
201401
출처
Optics Express, v.22 no.1, pp.803-808
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.22.000803
협약과제
13ZE1100, ETRI 창의연구실 사업, 손승원
초록
We developed a planar-type graphene-based plasmonic photodetector (PD) for the development of all-graphene photonicintegrated-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 graphenebased PICs. © 2014 Optical Society of America.
KSP 제안 키워드
All-in-one, Graphene-metal interface, Planar-type, Time Response, barrier effect, photonic integrated circuits(PICs), plasmonic waveguides, time constant