Terahertz photoluminescence in doped nanostructures with spatial separation of donors and acceptors

RB Adamov, GA Melentev, IV Sedova, SV Sorokin… - Journal of …, 2024 - Elsevier
Terahertz (THz) luminescence in doped nanostructures with GaAs/AlGaAs quantum wells is
studied under conditions of interband optical pumping. The study is carried out on …

Photoconductivity and Infrared-Light Absorption in p-GaAs/AlGaAs Quantum Wells

MY Vinnichenko, IS Makhov, NY Kharin, SV Graf… - Semiconductors, 2021 - Springer
The low-temperature impurity-assisted photoconductivity and absorption spectra of a
nanostructure with acceptor-doped multiple GaAs/AlGaAs quantum wells are investigated …

Terahertz Sources Based on Emission from a /(,) Heterostructure at Cryogenic Temperatures

D Yavorskiy, M Szoła, T Tarkowski, J Wróbel… - Physical review applied, 2021 - APS
A high-electron-mobility Ga As/Al 0.36 Ga 0.64 As heterostructure is processed by electron-
beam lithography to fabricate samples with a separation of the current-supplying Ohmic …

Observation of photoinduced terahertz gain in GaAs quantum wells: evidence for radiative two-exciton-to-biexciton scattering

X Li, K Yoshioka, Q Zhang, NM Peraca, F Katsutani… - Physical Review Letters, 2020 - APS
We have observed photoinduced negative optical conductivity, or gain, in the terahertz
frequency range in a GaAs multiple-quantum-well structure in a strong perpendicular …

Luminescence in pin Structures with Compensated Quantum Wells

RB Adamov, GA Melentev, AA Podoskin, MI Kondratov… - Semiconductors, 2024 - Springer
Photo-and electroluminescence in p–i–n structures with compensated GaAs/AlGaAs
quantum wells have been studied. Two structures with different doping profiles were studied …

НАУЧНО-ТЕХНИЧЕСКИЕ ВЕДОМОСТИ САНКТ-ПЕТЕРБУРГСКОГО ГОСУДАРСТВЕННОГО ПОЛИТЕХНИЧЕСКОГО УНИВЕРСИТЕТА. ФИЗИКО …

РБ Адамов, АД ПЕТРУК, ГА МЕЛЕНТЬЕВ… - НАУЧНО …, 2022 - elibrary.ru
В работе проведены сравнительные исследования фотолюминесценции (ФЛ)
ближнего ИК-диапазона в структурах с квантовыми ямами n GaAs/AlGaAs с …

[PDF][PDF] Near-infrared photoluminescence in n-GaAs/AlGaAs quantum wells with different locations of compensating acceptor impurity

RB Adamov, AD Petruk, GA Melentev… - St. Petersburg State …, 2022 - physmath.spbstu.ru
In the paper, comparative studies of near-IR photoluminescence (PL) in structures with
GaAs/AlGaAs quantum wells possessing different selective doping profiles have been …

ГЕНЕРАЦИЯ ТЕРАГЕРЦЕВОГО ИЗЛУЧЕНИЯ В ПОЛУПРОВОДНИКАХ (О Б З О Р)

АВ АНДРИАНОВ - ФИЗИКА ТВЕРДОГО ТЕЛА, 2023 - elibrary.ru
Электромагнитное излучение терагерцевого (ТГц) частотного диапазона, занимающее
область спектра между оптическим инфракрасным и микроволновым излучением …

Acceptor-Assisted Intraband Photoconductivity in GaAs/AlGaAs Quantum Wells

M Vinnichenko, I Makhov, V Panevin… - Optics and Its …, 2022 - Springer
The present work is devoted to the experimental investigation of the far-, mid-and near-
infrared photoconductivity related to the optical hole transitions involving acceptor states in …

Optically Pumped Terahertz Radiation Sources Based on Impurity Carrier Transitions in Quantum Wells

D Firsov, I Makhov, V Panevin, HA Sarkisyan… - Optics and Its …, 2022 - Springer
A review of the results of studies of terahertz radiation associated with impurity electron
transitions in n-doped GaAs/AlGaAs quantum wells under conditions of interband optical …