Bias dependent dual band response from InAs∕ Ga (In) Sb type II strain layer superlattice detectors

A Khoshakhlagh, JB Rodriguez, E Plis… - Applied Physics …, 2007 - pubs.aip.org
We report on the multispectral properties of infrared photodetectors based on type II In As∕
Ga (In) Sb strain layer superlattices using an nBn heterostructure design. The optical and …

Influence of the period thickness and composition on the electro-optical properties of type-II InAs/GaSb midwave infrared superlattice photodetectors

R Taalat, JB Rodriguez, M Delmas… - Journal of Physics D …, 2013 - iopscience.iop.org
In this paper, the electro-optical properties of InAs/GaSb superlattice (SL) midwave infrared
photodiodes with different periods were investigated. Three devices with different SL …

Electrical modeling of InAs/GaSb superlattice mid-wavelength infrared pin photodiode to analyze experimental dark current characteristics

M Delmas, JB Rodriguez, P Christol - Journal of Applied Physics, 2014 - pubs.aip.org
Dark current characteristics of 7 Monolayers (ML) InAs/4 ML GaSb SL pin photodiodes are
simulated using ATLAS software. Using appropriate models and material parameters, we …

Characterization of midwave infrared InAs/GaSb superlattice photodiode

C Cervera, JB Rodriguez, R Chaghi… - Journal of Applied …, 2009 - pubs.aip.org
We report on structural, electrical, and optical characterizations of midwave infrared
InAs/GaSb superlattice (SL) pin photodiodes. High-quality SL samples, with 1 μ m thick …

Strained and unstrained layer superlattices for infrared detection

CH Grein, J Garland, ME Flatte - Journal of electronic materials, 2009 - Springer
Abstract Strained HgTe/CdZnTe or InAs/GaInSb, and essentially unstrained HgTe/CdTe
superlattices (SLs), are possible materials systems for implementation in future-generation …

Long-wave InAs/GaSb superlattice detectors based on nBn and pin designs

A Khoshakhlagh, S Myers, HS Kim… - IEEE Journal of …, 2010 - ieeexplore.ieee.org
The development of type-II InAs/GaSb superlattice (SL) detectors with nBn and pin designs
for the long-wave infrared (LWIR) spectral region is discussed. The dependence of dark …

Ultraviolet photodetector with high internal gain enhanced by TiO2/SrTiO3 heterojunction

M Zhang, H Zhang, K Lv, W Chen, J Zhou, L Shen… - Optics express, 2012 - opg.optica.org
In this letter, TiO_2 nanocrystalline film was prepared on SrTiO_3 (001) substrate to form an
nn heterojunction active layer. Interdigitated Au electrodes were deposited on the top of …

Investigation of trap states in mid-wavelength infrared type II superlattices using time-resolved photoluminescence

BC Connelly, GD Metcalfe, H Shen, M Wraback… - Journal of electronic …, 2013 - Springer
Time-resolved photoluminescence (TRPL) spectroscopy is used to study the minority-carrier
lifetime in mid-wavelength infrared, n-type, InAs/Ga 1− x In x Sb type II superlattices (T2SLs) …

A type-II superlattice period with a modified InAs to GaSb thickness ratio for midwavelength infrared photodiode performance improvement

JB Rodriguez, C Cervera, P Christol - Applied Physics Letters, 2010 - pubs.aip.org
We present a type-II superlattice period with a modified InAs to GaSb thickness ratio for
midinfrared detection. In this kind of structure, the large electron-hole wave-function overlap …

Materials design parameters for infrared device applications based on III-V semiconductors

SP Svensson, WL Sarney, D Donetsky, G Kipshidze… - Applied Optics, 2017 - opg.optica.org
The collaborative development of infrared detector materials by the Army Research
Laboratory and Stony Brook University has led to new fundamental understandings of …