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- B.I. Stepanov Institute of PhysicsBY215 papers
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29 papers · 1 filter
Virtual perfect absorption in resonant media and their PT-symmetric generalizations
Denis Novitsky, Alexander Shalin
Virtual perfect absorption (VPA) is an effect simulating real absorption of light by using excitation at a complex frequency corresponding to a scattering zero. We theoretically st…
Unified Model for a Nonlinear Pulse Propagation in Composites and Optimization of THz Generation
Anton Husakou, Olga Fedotova, Ryhor Rusetsky +6
We describe a unified numerical model which allows fast and accurate simulation of nonlinear light propagation in nanoparticle composites, including various effects such as group v…
Tunable virtual gain in resonantly absorbing media
Denis Novitsky
Virtual gain refers to the simulation of real light amplification using radiation with exponentially decaying amplitude, so that its complex frequency corresponds to the scattering…
Wigner time for electromagnetic radiation in plasma
Sergey Gaponenko, Denis Novitsky
Wave tunneling is an intriguing phenomenon spanning different branches of physics, from quantum mechanics to classical electrodynamics and optics. The Wigner (or phase) time is pro…
CPA-lasing associated with the quasibound states in the continuum in asymmetric non-Hermitian structures
Denis V. Novitsky, Adia Canos Valero, Alexander Krotov +3
Non-Hermitian photonic systems with loss and gain attract much attention due to their exceptional abilities in molding the flow of light. Introducing asymmetry to the $\mathcal{PT}…
Hybridization and Dehybridization of Plasmonic Modes
Artur Movsesyan, Alina Muravitskaya, Marion Castilla +6
The plasmon resonances (modes) of a metal nanostructure can be defined as a dipole, a quadrupole, or high-order modes depending on the surface charge distribution induced by the in…