title: A monolithically integrated plasmonic infrared quantum dot camera.
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 (V(s)) to the noise voltage (V(n)) 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.
authors.affiliation: Division of Industrial Metrology, Korea Research Institute of Standards and Science, Daejeon 305-340, Korea.
authors.forename: Sang Jun
authors.initials: SJ
authors.lastname: Lee
authors.forename: Zahyun
authors.initials: Z
authors.lastname: Ku
authors.forename: Ajit
authors.initials: A
authors.lastname: Barve
authors.forename: John
authors.initials: J
authors.lastname: Montoya
authors.forename: Woo-Yong
authors.initials: WY
authors.lastname: Jang
authors.forename: S R J
authors.initials: SR
authors.lastname: Brueck
authors.forename: Mani
authors.initials: M
authors.lastname: Sundaram
authors.forename: Axel
authors.initials: A
authors.lastname: Reisinger
authors.forename: Sanjay
authors.initials: S
authors.lastname: Krishna
authors.forename: Sam Kyu
authors.initials: SK
authors.lastname: Noh
mesh_terms: D003952:Diagnostic Imaging / Q000295:instrumentation* / Q000379:methods*; D007259:Infrared Rays; D008962:Models, Theoretical; D045663:Quantum Dots