[HTML][HTML] High-temperature terahertz quantum cascade lasers

B Wen, D Ban - Progress in Quantum Electronics, 2021 - Elsevier
The terahertz (THz) quantum cascade laser (QCL), first demonstrated in 2002, is among the
most promising radiation sources in the THz region owing to its high output power and broad …

III-nitride semiconductors for intersubband optoelectronics: a review

M Beeler, E Trichas, E Monroy - Semiconductor Science and …, 2013 - iopscience.iop.org
III-nitride nanostructures have recently emerged as promising materials for new
intersubband (ISB) devices in a wide variety of applications. These ISB technologies rely on …

Development and future prospects of terahertz technology

M Hangyo - Japanese journal of applied physics, 2015 - iopscience.iop.org
Recently, the technology of terahertz (THz) waves, which have been called undeveloped
electromagnetic waves, has been making remarkable progress. In addition to the …

Review of GaN-based devices for terahertz operation

K Ahi - Optical Engineering, 2017 - spiedigitallibrary.org
GaN provides the highest electron saturation velocity, breakdown voltage, operation
temperature, and thus the highest combined frequency-power performance among …

On the use of wavelength and time diversity in optical wireless communication systems over gamma–gamma turbulence channels

HE Nistazakis, GS Tombras - Optics & laser technology, 2012 - Elsevier
Optical wireless communication or free space optical systems have gained significant
research and commercial attention in recent years due to their cost-effective and license-free …

Survey of terahertz photonics and biophotonics

K Ahi, N Jessurun, MP Hosseini… - Optical …, 2020 - spiedigitallibrary.org
We review the advances of terahertz (THz) science and technology in biophotonics,
including related challenges and solutions. The main impediment to THz spectroscopy and …

Pseudo-square AlGaN/GaN quantum wells for terahertz absorption

M Beeler, C Bougerol, E Bellet-Amalric… - Applied Physics …, 2014 - pubs.aip.org
THz intersubband transitions are reported down to 160 μm within AlGaN/GaN
heterostructures following a 4-layer quantum well design. In such a geometry, the …

Regenerative terahertz wave parametric amplifier based on four-wave mixing in asynchronously pumped graphene oxide integrated TOPAS

T Amini, F Jahangiri - Optics Express, 2021 - opg.optica.org
A widely tunable regenerative terahertz parametric amplifier is proposed based on
degenerate four-wave mixing in an asynchronously pumped highly nonlinear medium. To …

Terahertz absorbing AlGaN/GaN multi-quantum-wells: demonstration of a robust 4-layer design

M Beeler, C Bougerol, E Bellet-Amalric… - Applied Physics …, 2013 - pubs.aip.org
We report on AlGaN/GaN multi-quantum-well structures displaying intersubband absorption
in the THz spectral range. First, we theoretically analyze the weaknesses of the state-of-the …

Fully self-consistent analysis of III-nitride quantum cascade structures

S Saha, J Kumar - Journal of Computational Electronics, 2016 - Springer
A fully self-consistent method for solution of the Schrödinger–Poisson equation is presented
for III-nitride quantum cascade structures (QCSs). The impact of internal polarization fields …