54 citations · 160 across the 19 of their papers we have counts for
19 papers
Bragg-enhanced time-domain Brillouin scattering from a propagating acoustic grating
O. S. Ken, D. O. Horiachyi, V. L. Korenev +4
Generation and detection of coherent phonons in semiconductors by femtosecond optical pulses is a powerful tool for high-frequency acoustic control of their electronic properties.…
Digital-Alloy Bragg Mirrors in High-Q Microcavities for Polariton Lasing
V. A. Stolyarov, A. S. Kurdyubov, A. V. Trifonov +7
We present an approach to the molecular-beam epitaxy of high-Q planar GaAs-based microcavities in which the AlGaAs high-index layers of the distributed Bragg reflectors (DBRs) are…
Ultra-small Mode Volume Polariton Condensation via Precision Ion Implantation
Y. C. Balas, X. Zhou, E. Cherotchenko +7
We present a novel method for generating potential landscapes in GaAs microcavities through focused implantation. The ion beam imprints micron-scale patterns of non-radiat…
Long-lived exciton coherence in mixed-halide perovskite crystals
Stefan Grisard, Artur V. Trifonov, Ivan A. Solovev +5
Compositional engineering of the optical properties of hybrid organic-inorganic lead halide perovskites is one of the cornerstones for the realization of efficient solar cells and…
Temporal sorting of optical multi-wave-mixing processes in semiconductor quantum dots
S. Grisard, A. V. Trifonov, H. Rose +8
Coherent control of ensembles of light emitters by means of multi-wave mixing processes is key for the realization of high capacity optical quantum memories and information process…
Multiple Rabi rotations of trions in InGaAs quantum dots observed by photon echo spectroscopy with spatially shaped laser pulses
S. Grisard, H. Rose, A. V. Trifonov +9
We study Rabi rotations arising in intensity-dependent photon echoes from an ensemble of self-assembled InGaAs quantum dots. To achieve a uniform distribution of intensities within…
Extending the time of coherent optical response in ensemble of singly-charged InGaAs quantum dots
A. N. Kosarev, A. V. Trifonov, I. A. Yugova +10
The ability to extend the time scale of the coherent optical response from large ensembles of quantum emitters is highly appealing for applications in quantum information devices.…
Photon echo polarimetry of excitons and biexcitons in a CHNHPbI perovskite single crystal
A. V. Trifonov, S. Grisard, A. N. Kosarev +5
Lead halide perovskites show remarkable performance when used in photovoltaic and optoelectronic devices. However, the peculiarities of light-matter interactions in these materials…
Exciton-exciton and exciton-charge carrier interaction and the exciton collisional broadening in GaAs/AlGaAs quantum wells
B. F. Gribakin, E. S. Khramtsov, A. V. Trifonov +1
Wave functions of heavy-hole excitons in GaAs/AlGaAs square quantum wells (QWs) of various widths are calculated by the direct numerical solution of a three-dimensi…
Strong enhancement of heavy-hole Landé factor in InGaAs symmetric quantum dots revealed by coherent optical spectroscopy
A. V. Trifonov, I. A. Akimov, L. E. Golub +9
We reveal the existence of a large in-plane heavy-hole factor in symmetric self-assembled (001) (In,Ga)As/GaAs quantum dots due to warping of valence band states. This warping…
Dynamics and control of nonradiative excitons - free carriers mixture in GaAs/AlGaAs quantum wells
A. S. Kurdyubov, A. V. Trifonov, B. F. Gribakin +9
Dynamics of nonradiative excitons with large in-plane wave vectors forming a so-called reservoir is experimentally studied in a high-quality semiconductor structure containing a 14…
Exciton energy oscillations induced by quantum beats
A. V. Trifonov, A. S. Kurdyubov, I. Ya. Gerlovin +5
In this paper, we experimentally demonstrate an oscillating energy shift of quantum-confined exciton levels in a semiconductor quantum well after excitation into a superposition of…
Nanosecond-scale magneto-exciton energy oscillations in quantum wells
A. V. Trifonov, E. S. Khramtsov, K. V. Kavokin +6
We report on the experimental evidence for a nanosecond time-scale spin memory based on nonradiative excitons. The effect manifests itself in magnetic-field-induced oscillations of…
Impurity-induced modulation of terahertz waves in optically excited GaAs
A. S. Kurdyubov, A. V. Trifonov, I. Ya. Gerlovin +2
The effect of the photoinduced absorption of terahertz (THz) radiation in a semi-insulating GaAs crystal is studied by the pulsed THz transmission spectroscopy. We found that a bro…
Inverse-phase Rabi oscillations in semiconductor microcavities
A. V. Trifonov, N. E. Kopteva, M. V. Durnev +7
We study experimentally the oscillations of a non stationary transient signal of a semiconductor microcavity with embedded InGaAs quantum wells. The oscillations occur as a result…
Dynamics of the Energy Relaxation in a Parabolic Quantum Well Laser
A. V. Trifonov, E. D. Cherotchenko, J. L. Carthy +6
We explore two parabolic quantum well (PQW) samples, with and without Bragg mirrors, in order to optimise the building blocks of a Bosonic Cascade Laser. The photoluminescence spec…
Multiple quantum beats of quantum confined exciton states in InGaAs/GaAs quantum well
A. V. Trifonov, I. Ya. Gerlovin, I. V. Ignatiev +6
Multiple quantum beats of a system of the coherently excited quantum confined exciton states in a high-quality heterostructure with a wide InGaAs/GaAs quantum well are experimental…
Nontrivial relaxation dynamics of excitons in high-quality InGaAs/GaAs quantum wells
A. V. Trifonov, S. N. Korotan, A. S. Kurdyubov +8
Photoluminescence (PL) and reflectivity spectra of a high-quality InGaAs/GaAs quantum well structure reveal a series of ultra-narrow peaks attributed to the quantum confined excito…
Effect of uniaxial stress on the interference of polaritonic waves in wide quantum wells
D. K. Loginov, A. V. Trifonov, I. V. Ignatiev
A theory of polaritonic states is developed for a nanostructure with a wide quantum well stressed perpendicular to the growth axis of the heterostructure. The role of the -linea…