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From the very beginning of the research career, the study of Dr. Sedov was focused on the problem of interaction of light with condensed matter at the microscopic level aimed in understanding of physics of light behaviour and developing methods of control of light. His bachelor and master research were devoted to light interaction with ensembles of ultracold atoms in low-dimensional spatially periodic trapping potentials. Most attention was paid to nonlinear effects, including higher orders nonlinearities. A new type of a lattice structure, polaritonic crystal was proposed. Physical principles of spatially distributed optical writing, storing and retrieving of information based on controlling a group velocity of atomic polaritons in a polaritonic crystal were suggested.
After completing the M.Sc. program by Dr. Sedov, spatially periodic structures remained in the focus of his research interest. However, lattices of ultracold atoms were replaced with semiconductor heterostructures. As a result of this work, a new resonance Bragg polariton structure supporting the hyperbolic dispersion of exciton-polaritons was proposed. The “slow” light and negative refraction in this structure were predicted. A method for controlling the group velocity and the angle of refraction of light by an external electric field was suggested.
A significant part of the research of Dr. Sedov is devoted to spin-orbital effects in polaritonic structures. Spin dynamics of long-living exciton-polaritons in a wedged microcavity in the presence of “artificial gravity” was studied. The self-interference effect of polaritons was predicted. The magnetic field control of spin dynamics was studied both theoretically and experimentally, and the suppression of spin oscillations was demonstrated. The amazing effect of the zitterbewegung, which is the trembling of a classical trajectory of a particle under its spin precession, was predicted theoretically. A new all-optical polariton device, polariton polarization rectifier intended to transform polariton pulses with a given polarization to linearly polarized pulses was proposed.
Dr. Sedov provides support by developing a theoretical justification and performing numerical simulations to experimental research of overseas collaborators. Among such research are creation and control of persistent currents of exciton polaritons confined in cylindrical micropillars, control of transport and spin-valley polarization properties of polaritons in transition metal dichalcogenide monolayers embedded in optical microcavities, superconductivity is mixed Bose-Fermi systems.
After completing the M.Sc. program by Dr. Sedov, spatially periodic structures remained in the focus of his research interest. However, lattices of ultracold atoms were replaced with semiconductor heterostructures. As a result of this work, a new resonance Bragg polariton structure supporting the hyperbolic dispersion of exciton-polaritons was proposed. The “slow” light and negative refraction in this structure were predicted. A method for controlling the group velocity and the angle of refraction of light by an external electric field was suggested.
A significant part of the research of Dr. Sedov is devoted to spin-orbital effects in polaritonic structures. Spin dynamics of long-living exciton-polaritons in a wedged microcavity in the presence of “artificial gravity” was studied. The self-interference effect of polaritons was predicted. The magnetic field control of spin dynamics was studied both theoretically and experimentally, and the suppression of spin oscillations was demonstrated. The amazing effect of the zitterbewegung, which is the trembling of a classical trajectory of a particle under its spin precession, was predicted theoretically. A new all-optical polariton device, polariton polarization rectifier intended to transform polariton pulses with a given polarization to linearly polarized pulses was proposed.
Dr. Sedov provides support by developing a theoretical justification and performing numerical simulations to experimental research of overseas collaborators. Among such research are creation and control of persistent currents of exciton polaritons confined in cylindrical micropillars, control of transport and spin-valley polarization properties of polaritons in transition metal dichalcogenide monolayers embedded in optical microcavities, superconductivity is mixed Bose-Fermi systems.
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J Barrat,Roman Cherbunin,Evgeny Sedov,Ekaterina Aladinskaia,Alexey Liubomirov, Valentina Litvyak,Mikhail Petrov,Xiaoqing Zhou,Z Hatzopoulos,Alexey Kavokin,P G Savvidis
Scientific reportsno. 1 (2024): 12953-12953
J. Barrat,Roman Cherbunin,Evgeny Sedov, Ekaterina Aladinskaia, Alexey Liubomirov, Valentina Litvyak,Mikhail Petrov, Xiaoqing Zhou, Z. Hatzopoulos,Alexey Kavokin, P. G. Savvidis
SCIENTIFIC REPORTSno. 1 (2024)
Physical review researchno. 2 (2024)
Physical review researchno. 1 (2024)
Physical Review Bno. 15 (2023)
arXiv (Cornell University)no. 16 (2023)
Physical review B/Physical review Bno. 4 (2023)
Nanosistemy fizika, himiâ, matematikano. 3 (2023): 328-333
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作者统计
#Papers: 71
#Citation: 665
H-Index: 16
G-Index: 23
Sociability: 5
Diversity: 2
Activity: 41
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