Waveguide-Integrated, Plasmonic Enhanced Graphene Photodetectors

Jakob E. Muench; Alfonso Ruocco; Marco A. Giambra; Vaidotas Miseikis; Dengke Zhang; Junjia Wang; Hannah F. Y. Watson; Gyeong C. Park; Shahab Akhavan; Vito Sorianello; Michele Midrio; Andrea Tomadin; Camilla Coletti; Marco Romagnoli; Andrea C. Ferrari; Ilya Goykhman

doi:10.1021/acs.nanolett.9b02238

Waveguide-Integrated, Plasmonic Enhanced Graphene Photodetectors

Jakob E. Muench, Alfonso Ruocco, Marco A. Giambra, Vaidotas Miseikis, Dengke Zhang, Junjia Wang, Hannah F. Y. Watson, Gyeong C. Park, Shahab Akhavan, Vito Sorianello, Michele Midrio, Andrea Tomadin, Camilla Coletti, Marco Romagnoli, Andrea C. Ferrari, Ilya Goykhman

Technion - Israel Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

We present a micrometer-scale, on-chip integrated, plasmonic enhanced graphene photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is designed to directly generate a photovoltage by the photothermoelectric effect. It is made of chemical vapor deposited single layer graphene, and has an external responsivity ∼12.2 V/W with a 3 dB bandwidth ∼42 GHz. We utilize Au split-gates to electrostatically create a p-n-junction and simultaneously guide a surface plasmon polariton gap-mode. This increases the light-graphene interaction and optical absorption and results in an increased electronic temperature and steeper temperature gradient across the GPD channel. This paves the way to compact, on-chip integrated, power-efficient graphene based photodetectors for receivers in tele- and datacom modules.

Original language	English
Pages (from-to)	7632-7644
Number of pages	13
Journal	Nano Letters
Volume	19
Issue number	11
DOIs	https://doi.org/10.1021/acs.nanolett.9b02238
State	Published - 13 Nov 2019

Keywords

Graphene
integrated photonics
photodetectors
photothermoelectric effect
plasmonics

All Science Journal Classification (ASJC) codes

Bioengineering
General Chemistry
General Materials Science
Condensed Matter Physics
Mechanical Engineering

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10.1021/acs.nanolett.9b02238

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Muench, J. E., Ruocco, A., Giambra, M. A., Miseikis, V., Zhang, D., Wang, J., Watson, H. F. Y., Park, G. C., Akhavan, S., Sorianello, V., Midrio, M., Tomadin, A., Coletti, C., Romagnoli, M., Ferrari, A. C., & Goykhman, I. (2019). Waveguide-Integrated, Plasmonic Enhanced Graphene Photodetectors. Nano Letters, 19(11), 7632-7644. https://doi.org/10.1021/acs.nanolett.9b02238

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abstract = "We present a micrometer-scale, on-chip integrated, plasmonic enhanced graphene photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is designed to directly generate a photovoltage by the photothermoelectric effect. It is made of chemical vapor deposited single layer graphene, and has an external responsivity ∼12.2 V/W with a 3 dB bandwidth ∼42 GHz. We utilize Au split-gates to electrostatically create a p-n-junction and simultaneously guide a surface plasmon polariton gap-mode. This increases the light-graphene interaction and optical absorption and results in an increased electronic temperature and steeper temperature gradient across the GPD channel. This paves the way to compact, on-chip integrated, power-efficient graphene based photodetectors for receivers in tele- and datacom modules.",

keywords = "Graphene, integrated photonics, photodetectors, photothermoelectric effect, plasmonics",

author = "Muench, \{Jakob E.\} and Alfonso Ruocco and Giambra, \{Marco A.\} and Vaidotas Miseikis and Dengke Zhang and Junjia Wang and Watson, \{Hannah F. Y.\} and Park, \{Gyeong C.\} and Shahab Akhavan and Vito Sorianello and Michele Midrio and Andrea Tomadin and Camilla Coletti and Marco Romagnoli and Ferrari, \{Andrea C.\} and Ilya Goykhman",

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year = "2019",

month = nov,

day = "13",

doi = "10.1021/acs.nanolett.9b02238",

language = "الإنجليزيّة",

volume = "19",

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AU - Muench, Jakob E.

AU - Ruocco, Alfonso

AU - Giambra, Marco A.

AU - Miseikis, Vaidotas

AU - Zhang, Dengke

AU - Wang, Junjia

AU - Watson, Hannah F. Y.

AU - Park, Gyeong C.

AU - Akhavan, Shahab

AU - Sorianello, Vito

AU - Midrio, Michele

AU - Tomadin, Andrea

AU - Coletti, Camilla

AU - Romagnoli, Marco

AU - Ferrari, Andrea C.

AU - Goykhman, Ilya

PY - 2019/11/13

Y1 - 2019/11/13

N2 - We present a micrometer-scale, on-chip integrated, plasmonic enhanced graphene photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is designed to directly generate a photovoltage by the photothermoelectric effect. It is made of chemical vapor deposited single layer graphene, and has an external responsivity ∼12.2 V/W with a 3 dB bandwidth ∼42 GHz. We utilize Au split-gates to electrostatically create a p-n-junction and simultaneously guide a surface plasmon polariton gap-mode. This increases the light-graphene interaction and optical absorption and results in an increased electronic temperature and steeper temperature gradient across the GPD channel. This paves the way to compact, on-chip integrated, power-efficient graphene based photodetectors for receivers in tele- and datacom modules.

AB - We present a micrometer-scale, on-chip integrated, plasmonic enhanced graphene photodetector (GPD) for telecom wavelengths operating at zero dark current. The GPD is designed to directly generate a photovoltage by the photothermoelectric effect. It is made of chemical vapor deposited single layer graphene, and has an external responsivity ∼12.2 V/W with a 3 dB bandwidth ∼42 GHz. We utilize Au split-gates to electrostatically create a p-n-junction and simultaneously guide a surface plasmon polariton gap-mode. This increases the light-graphene interaction and optical absorption and results in an increased electronic temperature and steeper temperature gradient across the GPD channel. This paves the way to compact, on-chip integrated, power-efficient graphene based photodetectors for receivers in tele- and datacom modules.

KW - Graphene

KW - integrated photonics

KW - photodetectors

KW - photothermoelectric effect

KW - plasmonics

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U2 - 10.1021/acs.nanolett.9b02238

DO - 10.1021/acs.nanolett.9b02238

M3 - مقالة

C2 - 31536362

SN - 1530-6984

VL - 19

SP - 7632

EP - 7644

JO - Nano Letters

JF - Nano Letters

IS - 11

ER -

Waveguide-Integrated, Plasmonic Enhanced Graphene Photodetectors

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Keywords

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