Advances in solution-processed quantum dots based hybrid structures for infrared photodetector
Infrared photodetector based on solution-processed colloidal quantum dots (QDs), which
possess the special properties of wide-size-tunable bandgap, high quantum confinement …
possess the special properties of wide-size-tunable bandgap, high quantum confinement …
Multi-pass free electron laser assisted spectral and imaging applications in the terahertz/far-IR range using the future superconducting electron source BriXSinO
Free-Electron Lasers are a rapidly growing field for advanced science and applications, and
worldwide facilities for intense field generation, characterization and usage are becoming …
worldwide facilities for intense field generation, characterization and usage are becoming …
Coherent emission in the vicinity of 10 THz due to Auger-suppressed recombination of Dirac fermions in HgCdTe quantum wells
SV Morozov, VV Rumyantsev, MS Zholudev… - ACS …, 2021 - ACS Publications
The discovery of Dirac fermions in a number of 2D and 3D materials boosted the solid-state
research in an unprecedented way. Among the many hopes of using their exceptional …
research in an unprecedented way. Among the many hopes of using their exceptional …
Direct observation of competition between amplified spontaneous emission and auger recombination in quasi-two-dimensional perovskites
Quasi-two-dimensional (quasi-2D) Ruddlesden–Popper perovskites (RPPs) have been
reported recently as laser media. The carrier dynamics of lasing in quasi-2D RPP films is still …
reported recently as laser media. The carrier dynamics of lasing in quasi-2D RPP films is still …
Temperature limitations for stimulated emission in 3–4 μm range due to threshold and non-threshold Auger recombination in HgTe/CdHgTe quantum wells
KE Kudryavtsev, VV Rumyantsev, VY Aleshkin… - Applied Physics …, 2020 - pubs.aip.org
We report on the stimulated emission (SE) from HgTe/CdHgTe quantum well (QW)
heterostructures up to 240 K at 3.7 μm wavelength. Based on the temperature dependence …
heterostructures up to 240 K at 3.7 μm wavelength. Based on the temperature dependence …
Stimulated emission in 24–31 μm range and «Reststrahlen» waveguide in HgCdTe structures grown on GaAs
VV Rumyantsev, AA Dubinov, VV Utochkin… - Applied Physics …, 2022 - pubs.aip.org
Long-wavelength stimulated emission (SE) is studied in optically pumped HgCdTe quantum
well heterostructures with dielectric waveguides. Continuous temperature tuning of the …
well heterostructures with dielectric waveguides. Continuous temperature tuning of the …
Auger recombination in narrow gap HgCdTe/CdHgTe quantum well heterostructures
VY Aleshkin, VV Rumyantsev, KE Kudryavtsev… - Journal of Applied …, 2021 - pubs.aip.org
We present detailed theoretical analysis of nonradiative Auger recombination in narrow-gap
mercury-cadmium-telluride quantum wells (HgCdTe QWs). We suggest a microscopic model …
mercury-cadmium-telluride quantum wells (HgCdTe QWs). We suggest a microscopic model …
Optical studies and transmission electron microscopy of HgCdTe quantum well heterostructures for very long wavelength lasers
VV Rumyantsev, AA Razova, LS Bovkun, DA Tatarskiy… - Nanomaterials, 2021 - mdpi.com
HgTe/CdHgTe quantum well (QW) heterostructures have attracted a lot of interest recently
due to insights they provided towards the physics of topological insulators and massless …
due to insights they provided towards the physics of topological insulators and massless …
Toward Peltier-cooled mid-infrared HgCdTe lasers: Analyzing the temperature quenching of stimulated emission at∼ 6 μm wavelength from HgCdTe quantum wells
KE Kudryavtsev, VV Rumyantsev… - Journal of Applied …, 2021 - pubs.aip.org
Despite the ultimate performance of the existing cascade lasers, simple interband emitters in
the mid-infrared (IR) can still be of interest as a cheaper and widely tunable alternative for …
the mid-infrared (IR) can still be of interest as a cheaper and widely tunable alternative for …
Urbach tail and nonuniformity probe of HgCdTe thin films and quantum well heterostructures grown by molecular beam epitaxy
VV Rumyantsev, AA Razova, MA Fadeev… - Optical …, 2021 - spiedigitallibrary.org
Temperature-driven photoconductivity spectra are studied in HgCdTe thin films and
quantum well (QW) heterostructures grown by molecular beam epitaxy (MBE). It is shown …
quantum well (QW) heterostructures grown by molecular beam epitaxy (MBE). It is shown …