A monolithically integrated plasmonic infrared quantum dot camera

被引：154

作者：

Lee, Sang Jun ^{[2
]}

Ku, Zahyun ^{[1
]}

Barve, Ajit ^{[1
]}

Montoya, John ^{[1
]}

Jang, Woo-Yong ^{[1
]}

Brueck, S. R. J. ^{[1
]}

Sundaram, Mani ^{[3
]}

Reisinger, Axel ^{[3
]}

Krishna, Sanjay ^{[1
]}

Noh, Sam Kyu ^{[2
]}

机构：

[1] Univ New Mexico, Dept Elect & Comp Engn, Ctr High Technol Mat, Albuquerque, NM 87106 USA

[2] Korea Res Inst Stand & Sci, Div Ind Metrol, Taejon 305340, South Korea

[3] QmagiQ LLC, Nashua, NH 03063 USA

来源：

NATURE COMMUNICATIONS | 2011年 / 2卷

基金：

新加坡国家研究基金会;

关键词：

EXTRAORDINARY OPTICAL-TRANSMISSION; SUBWAVELENGTH HOLE ARRAYS; FOCAL-PLANE ARRAYS; INTERFEROMETRIC LITHOGRAPHY; PHOTODETECTORS; LIGHT;

D O I：

10.1038/ncomms1283

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

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 lambda = 6.1 mu m. 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-star) or higher operating temperatures.

引用

页数：6

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