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Title: Graphene–Metamaterial Photodetectors for Integrated Infrared Sensing

Journal Article · · ACS Photonics
 [1];  [2];  [1];  [3];  [1]
  1. Univ. of Exeter (United Kingdom)
  2. ETH Zurich (Switzerland); Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  3. ETH Zurich (Switzerland)

We study metamaterial-enhanced graphene photodetectors operating in the mid-IR to THz. The detector element consists of a graphene ribbon embedded within a dual-metal split ring resonator, which acts like a cavity to enhance the absorption of electromagnetic radiation by the graphene ribbon, while the asymmetric metal contacts enable photothermoelectric detection. The detectors we designed for the mid-IR demonstrate peak responsivity (referenced to total power) of ~120 mV/W at 1500 cm-1 and are employed in the spectroscopic evaluation of vibrational resonances, thus demonstrating a key step toward a platform for integrated surface-enhanced sensing.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC04-94AL85000
OSTI ID:
1257798
Report Number(s):
SAND2016-5489J; 641593
Journal Information:
ACS Photonics, Vol. 3, Issue 6; ISSN 2330-4022
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 54 works
Citation information provided by
Web of Science

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Cited By (11)

Wide-band and wide-angle, visible- and near-infrared metamaterial-based absorber made of nanoholed tungsten thin film journal January 2019
Sensing with metamaterials: a review of recent developments journal June 2017
Impact of oxygen plasma treatment on carrier transport and molecular adsorption in graphene journal January 2019
Nanomaterial-Based Plasmon-Enhanced Infrared Spectroscopy journal March 2018
Graphene Tunable Plasmon-Phonon Coupling in Mid-IR Complementary Metamaterial journal February 2018
Monolayer graphene sensing enabled by the strong Fano-resonant metasurface journal January 2016
Hybridization of Multiple Vibrational Modes via Strong Coupling Using Confined Light Fields journal June 2019
Metamaterial-enhanced infrared attenuated total reflection spectroscopy journal January 2019
Progress of Photodetectors Based on the Photothermoelectric Effect journal July 2019
3D conical helix metamaterial–based isotropic broadband perfect light absorber journal January 2019
Vibrational Strong Coupling with Surface Plasmons and the Presence of Surface Plasmon Stop Bands journal July 2019

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