On-Chip Integrated, Silicon-Graphene Plasmonic Schottky Photodetector with High Responsivity and Avalanche Photogain

Ilya Goykhman; Ugo Sassi; Boris Desiatov; Noa Mazurski; Silvia Milana; Domenico De Fazio; Anna Eiden; Jacob Khurgin; Joseph Shappir; Uriel Levy; Andrea C. Ferrari

doi:10.1021/acs.nanolett.5b05216

On-Chip Integrated, Silicon-Graphene Plasmonic Schottky Photodetector with High Responsivity and Avalanche Photogain

Ilya Goykhman, Ugo Sassi, Boris Desiatov, Noa Mazurski, Silvia Milana, Domenico De Fazio, Anna Eiden, Jacob Khurgin, Joseph Shappir, Uriel Levy, Andrea C. Ferrari^*

^*Corresponding author for this work

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

293 Scopus citations

Abstract

We report an on-chip integrated metal graphene-silicon plasmonic Schottky photodetector with 85 mA/W responsivity at 1.55 μm and 7% internal quantum efficiency. This is one order of magnitude higher than metal-silicon Schottky photodetectors operated in the same conditions. At a reverse bias of 3 V, we achieve avalanche multiplication, with 0.37A/W responsivity and avalanche photogain ∼2. This paves the way to graphene integrated silicon photonics.

Original language	English
Pages (from-to)	3005-3013
Number of pages	9
Journal	Nano Letters
Volume	16
Issue number	5
DOIs	https://doi.org/10.1021/acs.nanolett.5b05216
State	Published - 11 May 2016

Bibliographical note

Publisher Copyright:
© 2016 American Chemical Society.

Keywords

Graphene
avalanche multiplication
photodetectors
silicon photonics

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10.1021/acs.nanolett.5b05216

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title = "On-Chip Integrated, Silicon-Graphene Plasmonic Schottky Photodetector with High Responsivity and Avalanche Photogain",

abstract = "We report an on-chip integrated metal graphene-silicon plasmonic Schottky photodetector with 85 mA/W responsivity at 1.55 μm and 7\% internal quantum efficiency. This is one order of magnitude higher than metal-silicon Schottky photodetectors operated in the same conditions. At a reverse bias of 3 V, we achieve avalanche multiplication, with 0.37A/W responsivity and avalanche photogain ∼2. This paves the way to graphene integrated silicon photonics.",

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AU - Goykhman, Ilya

AU - Sassi, Ugo

AU - Desiatov, Boris

AU - Mazurski, Noa

AU - Milana, Silvia

AU - De Fazio, Domenico

AU - Eiden, Anna

AU - Khurgin, Jacob

AU - Shappir, Joseph

AU - Levy, Uriel

AU - Ferrari, Andrea C.

PY - 2016/5/11

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N2 - We report an on-chip integrated metal graphene-silicon plasmonic Schottky photodetector with 85 mA/W responsivity at 1.55 μm and 7% internal quantum efficiency. This is one order of magnitude higher than metal-silicon Schottky photodetectors operated in the same conditions. At a reverse bias of 3 V, we achieve avalanche multiplication, with 0.37A/W responsivity and avalanche photogain ∼2. This paves the way to graphene integrated silicon photonics.

AB - We report an on-chip integrated metal graphene-silicon plasmonic Schottky photodetector with 85 mA/W responsivity at 1.55 μm and 7% internal quantum efficiency. This is one order of magnitude higher than metal-silicon Schottky photodetectors operated in the same conditions. At a reverse bias of 3 V, we achieve avalanche multiplication, with 0.37A/W responsivity and avalanche photogain ∼2. This paves the way to graphene integrated silicon photonics.

KW - Graphene

KW - avalanche multiplication

KW - photodetectors

KW - silicon photonics

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On-Chip Integrated, Silicon-Graphene Plasmonic Schottky Photodetector with High Responsivity and Avalanche Photogain

Abstract

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