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Publication . Article . 2008

Design of mid-infrared InAs/GaSb superlattice detectors for room temperature operation

Yvan Cuminal; Jean-Baptiste Rodriguez; Philippe Christol;
Closed Access
Published: 01 Jun 2008 Journal: Finite Elements in Analysis and Design, volume 44, pages 611-616 (issn: 0168-874X, Copyright policy )
Publisher: Elsevier BV
Country: France
Abstract
This paper presents the simulation of mid-infrared InAs/GaSb superlattice (SL) detectors by using a finite element FEMLAB code, which is a practical and useful tool to characterize and to define microelectronic devices with appropriate geometry. In the framework of this FEMLAB code, the electro-optic performances of the SL photodetectors for room temperature (RT) operation are theoretical evaluated in terms of zero-bias resistance-area product R"0A and of external quantum efficiency @h in order to estimate the specific detectivity D^*. In the case of realistic SL active zone, calculated results show an optimal active zone thickness of about [email protected] and a RT specific detectivity D"@l^*=2x10^9cmW^-^1Hz^1^/^2 at @[email protected] This expected value demonstrates that InAs/GaSb SL detector is a competitive technology suitable for third generation detectors.
Subjects by Vocabulary

Microsoft Academic Graph classification: Quantum efficiency Microelectronics business.industry business Superlattice Optoelectronics Specific detectivity Photodetector Physics Expected value Detector Finite element method Optics

ACM Computing Classification System: ComputingMilieux_MISCELLANEOUS

Subjects

Applied Mathematics, Computer Graphics and Computer-Aided Design, General Engineering, Analysis, [SPI.TRON]Engineering Sciences [physics]/Electronics

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