Emerging type‐II superlattices of InAs/InAsSb and InAs/GaSb for mid‐wavelength infrared photodetectors

DO Alshahrani, M Kesaria, EA Anyebe… - Advanced photonics …, 2022 - Wiley Online Library
Mid‐wavelength infrared (MWIR) photodetectors (PDs) are highly essential for
environmental sensing of hazardous gases, security, defense, and medical applications …

[HTML][HTML] Recent trends in 8–14 μm type-II superlattice infrared detectors

D Kwan, M Kesaria, EA Anyebe, D Huffaker - Infrared Physics & Technology, 2021 - Elsevier
Abstract Type-II superlattices (T2SLs) hold enormous potential for next-generation 8–14 μm
long-wavelength infrared (LWIR) detectors for use at high operating temperature (HOT). The …

Mid-wavelength high operating temperature barrier infrared detector and focal plane array

DZ Ting, A Soibel, A Khoshakhlagh, SB Rafol… - Applied Physics …, 2018 - pubs.aip.org
We analyze and compare different aspects of InAs/InAsSb and InAs/GaSb type-II
superlattices for infrared detector applications and argue that the former is the most effective …

Advances in III-V semiconductor infrared absorbers and detectors

DZ Ting, A Soibel, A Khoshakhlagh, SA Keo… - Infrared Physics & …, 2019 - Elsevier
Advances in bulk III-V semiconductor material such as InGaAsSb and metamorphic InAsSb,
as well as in a variety of type-II superlattices such as InGaAs/GaAsSb, InAs/GaSb, and …

[HTML][HTML] Long wavelength InAs/InAsSb superlattice barrier infrared detectors with p-type absorber quantum efficiency enhancement

DZ Ting, A Soibel, A Khoshakhlagh, SA Keo… - Applied Physics …, 2021 - pubs.aip.org
We studied long and very long wavelength InAs/InAsSb superlattice barrier infrared
detectors that contain p-type absorber layers in order to take advantage of the longer …

InAs/InAsSb type-II superlattice mid-wavelength infrared focal plane array with significantly higher operating temperature than InSb

DZ Ting, B Rafol, SA Keo, J Nguyen… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
We report focal plane array (FPA) results on a mid-wavelength InAs/InAsSb type-II strained
layer superlattice (T2SLS) unipolar barrier infrared detector with a cutoff wavelength of 5.4 …

[HTML][HTML] InAs/InAsSb type-II strained-layer superlattice infrared photodetectors

DZ Ting, SB Rafol, A Khoshakhlagh, A Soibel, SA Keo… - Micromachines, 2020 - mdpi.com
The InAs/InAsSb (Gallium-free) type-II strained-layer superlattice (T2SLS) has emerged in
the last decade as a viable infrared detector material with a continuously adjustable band …

Nonequilibrium Green's function modeling of type-II superlattice detectors and its connection to semiclassical approaches

F Bertazzi, A Tibaldi, M Goano, JAG Montoya… - Physical Review Applied, 2020 - APS
Theoretical investigations of carrier transport in type-II superlattice detectors have been
mostly limited to simplified semiclassical treatments, due to the computational challenges …

High operating temperature pBn barrier mid-wavelength infrared photodetectors and focal plane array based on InAs/InAsSb strained layer superlattices

G Deng, D Chen, S Yang, C Yang, J Yuan, W Yang… - Optics …, 2020 - opg.optica.org
Improving the operation temperature of the focal plane array (FPA) imagers is critical in
meeting the demands to reduce the size, weight, and power (SWaP) for mid-infrared …

[HTML][HTML] Mercury chalcogenide colloidal quantum dots for infrared photodetectors

Q Hao, H Ma, X **ng, X Tang, Z Wei, X Zhao, M Chen - Materials, 2023 - mdpi.com
In recent years, mercury chalcogenide colloidal quantum dots (CQDs) have attracted
widespread research interest due to their unique electronic structure and optical properties …