Next-generation mid-infrared sources

D Jung, S Bank, ML Lee, D Wasserman - Journal of Optics, 2017 - iopscience.iop.org
The mid-infrared (mid-IR) is a wavelength range with a variety of technologically vital
applications in molecular sensing, security and defense, energy conservation, and …

Optical rectification and second harmonic generation in CdSe/MgSe asymmetric double quantum wells

NA Althumairi - Heliyon, 2024 - cell.com
In this study, we report theoretically the effect of well, barrier widths and polarization on
optical properties of intersubband transitions (ISBT) in CdSe/MgSe asymmetric quantum …

[HTML][HTML] High detectivity short-wavelength II-VI quantum cascade detector

AP Ravikumar, TA Garcia, JD Jesus… - Applied Physics …, 2014 - pubs.aip.org
We report on the experimental demonstration of a ZnCdSe/ZnCdMgSe-based short-
wavelength photovoltaic Quantum Cascade Detector (QCD). The QCD operates in two …

Room temperature and high responsivity short wavelength II-VI quantum well infrared photodetector

AP Ravikumar, G Chen, K Zhao, Y Tian… - Applied Physics …, 2013 - pubs.aip.org
We report the experimental demonstration of a room temperature, high responsivity, short
wavelength II-VI Zn 0.51 Cd 0.49 Se/Zn 0.29 Cd 0.26 Mg 0.45 Se based quantum well …

Room temperature and narrow intersubband electroluminescence from ZnCdSe/ZnCdMgSe quantum cascade laser structures

Y Yao, A Alfaro-Martinez, KJ Franz, WO Charles… - Applied Physics …, 2011 - pubs.aip.org
We report ZnCdSe/ZnCdMgSe Quantum Cascade structures with “two-phonon” and “bound-
to-continuum” active region designs. The electroluminescence shows more than 3 times …

[HTML][HTML] Theoretical investigation of optical intersubband transitions and infrared photodetection in β-(AlxGa1− x) 2O3/Ga2O3 quantum well structures

JE Lyman, S Krishnamoorthy - Journal of Applied Physics, 2020 - pubs.aip.org
We provide theoretical consideration of intersubband transitions designed in the ultra-wide
bandgap aluminum gallium oxide [(Al x Ga 1− x) 2 O 3]/gallium oxide (Ga 2 O 3) quantum …

Exciton binding energies in CdSe/MgSe quantum well structures

H Yıldırım - Superlattices and Microstructures, 2018 - Elsevier
Binding energies of heavy-and light-hole excitons in CdSe/MgSe quantum wells have been
determined in terms of quantum well width. Hydrogenic wave functions are assumed to …

Multiple-junction quantum cascade photodetectors for thermophotovoltaic energy conversion

J Yin, R Paiella - Optics Express, 2010 - opg.optica.org
The use of intersubband transitions in quantum cascade structures for thermophotovoltaic
energy conversion is investigated numerically. The intrinsic cascading scheme, spectral …

MBE growth of ZnCdSe/ZnCdMgSe quantum-well infrared photodetectors

A Shen, A Pawan Ravikumar, G Chen… - Journal of Vacuum …, 2013 - pubs.aip.org
The authors report the growth of quantum well infrared photodetectors (QWIPs) made from
wide band gap II-VI semiconductors. ZnCdSe/ZnCdMgSe QWIPs in both medium-wave …

ZnCdSe/ZnCdMgSe quantum well infrared photodetector

AP Ravikumar, A Alfaro-Martinez, G Chen, K Zhao… - Optics express, 2012 - opg.optica.org
We report the design, fabrication and characterization of a II-VI Zn_0. 51Cd_0. 49Se/Zn_0.
45Cd_0. 42Mg_0. 13Se-based quantum well infrared photodetector (QWIP) with a bound to …