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A monolithically integrated plasmonic infrared quantum dot camera

Author

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  • Sang Jun Lee

    (Korea Research Institute of Standards and Science)

  • Zahyun Ku

    (Center for High Technology Materials, University of New Mexico
    Present address: Air Force Research Laboratory, Wright-Patterson Air Force Base, Ohio 45433, USA.)

  • Ajit Barve

    (Center for High Technology Materials, University of New Mexico)

  • John Montoya

    (Center for High Technology Materials, University of New Mexico)

  • Woo-Yong Jang

    (Center for High Technology Materials, University of New Mexico)

  • S.R.J. Brueck

    (Center for High Technology Materials, University of New Mexico)

  • Mani Sundaram

    (QmagiQ, LLC, 22 Cotton Road, Unit H, Suite 180, Nashua, New Hampshire 03063, USA.)

  • Axel Reisinger

    (QmagiQ, LLC, 22 Cotton Road, Unit H, Suite 180, Nashua, New Hampshire 03063, USA.)

  • Sanjay Krishna

    (Center for High Technology Materials, University of New Mexico)

  • Sam Kyu Noh

    (Korea Research Institute of Standards and Science)

Abstract

In the past few years, there has been increasing interest in surface plasmon-polaritons, as a result of the strong near-field enhancement of the electric fields at a metal–dielectric interface. Here we show the first demonstration of a monolithically integrated plasmonic focal plane array (FPA) in the mid-infrared region, using a metal with a two-dimensional hole array on top of an intersubband quantum-dots-in-a-well (DWELL) heterostructure FPA coupled to a read-out integrated circuit. Excellent infrared imagery was obtained with over a 160% increase in the ratio of the signal voltage (Vs) to the noise voltage (Vn) of the DWELL camera at the resonant wavelength of λ=6.1 μm. This demonstration paves the way for the development of a new generation of pixel-level spectropolarimetric imagers, which will enable bio-inspired (for example, colour vision) infrared sensors with enhanced detectivity (D*) or higher operating temperatures.

Suggested Citation

  • Sang Jun Lee & Zahyun Ku & Ajit Barve & John Montoya & Woo-Yong Jang & S.R.J. Brueck & Mani Sundaram & Axel Reisinger & Sanjay Krishna & Sam Kyu Noh, 2011. "A monolithically integrated plasmonic infrared quantum dot camera," Nature Communications, Nature, vol. 2(1), pages 1-6, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1283
    DOI: 10.1038/ncomms1283
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