Design of broadband QWIPs for operation above BLIP temperature

Guériaux, Vincent; Nedelcu, Alexandru; Coulibaly, Agnes; Dua, Lydie; l'Isle, N. Brière de; Trinité, Virginie; Marcadet, X.

doi:10.1016/j.infrared.2010.12.007

Cited by 4 publications

(5 citation statements)

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“…However, these detectors exhibit strong spectral changes with the bias voltage and temperature. This has been investigated in a previous paper, 8 in the following we recall the main results.…”

Section: Interlaced Designmentioning

confidence: 89%

“…The details of the active layer are given in Ref. 8. The experimental responsivity versus the temperature and bias are shown in Fig.…”

Section: Optical Engineeringmentioning

confidence: 99%

“…QWIPs have been widely investigated for detection in the mid-wavelength (MW, 3 to 5 μm), long wavelength (LW,8 to …”

Section: Introductionmentioning

confidence: 99%

“…Moreover, FPA uniformity, stability, peak wavelength reproducibility, and process mastering play an important role. These are reasons why at the III-V Lab, research relies on production facilities.QWIPs have been widely investigated for detection in the mid-wavelength (MW, 3 to 5 μm), long wavelength (LW,8 to …”

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confidence: 99%

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Quantum well infrared photodetectors: present and future

et al. 2011

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A review of the III-V Lab activities in the field of quantum well infrared photodetectors (QWIPs) is presented. We discuss the specific advantages of this type of detector and present the production facilities and status. A large section is dedicated to broadband QWIPs for space applications and to QWIPs on InP for mid-wavelength infrared detection. We review the progress of QWIP technology for the next generation (dual band, polarimetric, and multispectral) of thermal imagers. Finally, the state-of-the-art of very long wavelength QWIPs is discussed. C 2011 Society of Photo-Optical Instrumentation Engineers (SPIE). IntroductionAt the III-V Lab, research on quantum well infrared photodetectors (QWIPs) has always been driven by the needs and constraints set by the operational systems. Reliable infrared (IR) cameras for Thales applications need high temperature operation (T FPA > 73 K), low integration time (T INT < 5 ms) to achieve high imaging rates and true microscanning, high instantaneous dynamic range ( + 50 • C) to accurately image objects much hotter than the background. They also need small pitch focal plane arrays (FPAs) (<25 μm) in order to get compact and low cost systems.In this context, parameters such as specific detectivity (D*) or ultimate background limited performance are no more relevant. Moreover, FPA uniformity, stability, peak wavelength reproducibility, and process mastering play an important role. These are reasons why at the III-V Lab, research relies on production facilities.QWIPs have been widely investigated for detection in the mid-wavelength (MW, 3 to 5 μm), long wavelength (LW,8 to

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Section: Interlaced Designmentioning

confidence: 89%

“…The details of the active layer are given in Ref. 8. The experimental responsivity versus the temperature and bias are shown in Fig.…”

Section: Optical Engineeringmentioning

confidence: 99%

“…QWIPs have been widely investigated for detection in the mid-wavelength (MW, 3 to 5 μm), long wavelength (LW,8 to …”

Section: Introductionmentioning

confidence: 99%

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confidence: 99%

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Quantum well infrared photodetectors: present and future

et al. 2011

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“…The QWIP active layer is composed of a single stack, thus the main challenges are to design a broadband absorption spectrum as well as a broadband optical coupling scheme. Guériaux et al managed broadband absorption by arranging quantum wells with different transition energies within the active layer [3]. However, the use of naturally resonant conventional gratings is not well-suited with a broadband active layer (see Fig.…”

Section: Introduction and Brief Description Of The Esa Projectmentioning

confidence: 99%