In this paper, Sb-based superlattice fabrication processing is based on standard III-V technology, implying lower costs of mass production and constituting a relatively new alternative for an IR material system in LWIR and VLWIR bands.

Chapter Contents:

• 9.1 Introduction
• 9.2 Lower cost, large FPAs with subwavelength pixel pitch
• 9.2.1 Comprehensive electromagnetic and electrical simulations
• 9.2.2 Small pixels and inter-pixel crosstalk in planar FPAs
• 9.2.3 Modeling photoresponse for non-monochromatic illumination
• 9.3 HOT HgCdTe detectors: Technologies and modeling approaches
• 9.3.1 Defects- and tunneling-related dark current
• 9.3.2 Auger-suppressed and fully carrier-depleted detectors
• 9.3.3 Compositionally graded HgCdTe detectors
• 9.4 Conclusions
• References

Inspec keywords: superlattices; infrared detectors; antimony compounds; III-V semiconductors; optical multilayers; sensor arrays

Other keywords: standard III-V technology; VLWIR bands; mass production; IR material system; next-generation long-wavelength infrared detector arrays; Sb-based superlattice fabrication processing; LWIR bands

Subjects: Detection of radiation (bolometers, photoelectric cells, i.r. and submillimetre waves detection); Sensing and detecting devices; Optical coatings; Optical coatings and filters; Optical materials; Photodetectors