Integrated Graphene Plasmonic Slot Photodetector with High Responsivity

Zhizhen Ma; Kazuya Kikunaga; Shuai Sun; Rubab Amin; Mario Miscuglio; Volker J. Sorger

OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED)
OSA Technical Digest (Optica Publishing Group, 2019),
paper IT3A.5

Integrated Graphene Plasmonic Slot Photodetector with High Responsivity

Zhizhen Ma, Kazuya Kikunaga, Shuai Sun, Rubab Amin, Mario Miscuglio, and Volker J. Sorger

Integrated Photonics Research, Silicon and Nanophotonics 2019

Burlingame, California United States
29 July–1 August 2019
ISBN: 978-1-943580-64-4

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Photodetectors and Sensing (IT3A)

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Z. Ma, K. Kikunaga, S. Sun, R. Amin, M. Miscuglio, and V. J. Sorger, "Integrated Graphene Plasmonic Slot Photodetector with High Responsivity," in OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED), OSA Technical Digest (Optica Publishing Group, 2019), paper IT3A.5.

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Abstract

We demonstrated an ultra-narrow (15 nm) plasmonic slot photodetector using monolayer graphene demonstrating an external responsivity of 0.67 A/W. Tuning the gate-voltage for graphene a strong short-channel was found to increase the photo-to-dark current-ratio.

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