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We introduce the unique class of propagation-invariant surface plasmon polaritons (SPPs) representing pulsed surface wave packets propagating along unpatterned metal-dielectric interfaces and are localized in all dimensions - with…

Photonic quantum emulator utilizes photons to emulate the quantum physical behavior of a complex quantum system. Recent study in spatiotemporal optics has enriched the toolbox for designing and manipulating complex spatiotemporal optical…

Optics · Physics 2025-03-21 Qian Cao , Nianjia Zhang , Andy Chong , Qiwen Zhan

Irradiating intercalated nanorings by optical vortices ignites a charge flow that emits coherent trains of high harmonic bursts with frequencies and time structures that are controllable by the topological charge of the driving vortex beam.…

Quantum Physics · Physics 2017-11-22 J. Wätzel , J. Berakdar

We study and actively control the coherent properties of Surface Plasmon Polaritons (SPPs) optically exited on a nano-hole array. Amplitude and phase of the optical excitation are externally controlled via a digital spatial light modulator…

Optics · Physics 2013-04-05 B. Gjonaj , J. Aulbach , P. M. Johnson , A. P. Mosk , L. Kuipers , A. Lagendijk

Dynamics of interaction of topological solitons (vortices) in (2+1)-dimensional O(3) nonlinear sigma model in anisotropic case are investigated. By numerical simulation methods is shown that the changes of rotation frequency of isotopic…

Pattern Formation and Solitons · Physics 2016-02-18 F. Sh. Shokirov

Herein we theoretically report a method that generates a transverse-spatiotemporal dispersion (T-STD), which is distinct from previous spatial, temporal, and longitudinal-spatiotemporal optics dispersions. By modulating T-STD, two not yet…

Optics · Physics 2018-10-17 Zhaoyang Li , Noriaki Miyanaga

We analyse nonequilibrium phase transitions in microcavity polariton condensates trapped in optically induced annular potentials. We develop an analytic model for annular optical traps, which gives an intuitive interpretation for recent…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 A. V. Nalitov , H. Sigurdsson , S. Morina , Y. S. Krivosenko , I. V. Iorsh , Y. G. Rubo , A. V. Kavokin , I. A. Shelykh

Optical vortices are currently one of the most intensively studied topics in optics. These light beams, which carry orbital angular momentum (OAM), have been successfully utilized in the visible and infrared in a wide variety of…

Vortex $\gamma$ photons, which carry large intrinsic orbital angular momenta (OAM), have significant applications in nuclear, atomic, hadron, particle and astro-physics, but their production remains unclear. In this work, we investigate the…

High Energy Physics - Phenomenology · Physics 2023-10-26 Ren-Tong Guo , Mamutjan Ababekri , Qian Zhao , Yousef I. Salamin , Liang-Liang Ji , Zhi-Gang Bu , Zhong-Feng Xu , Xiu-Feng Weng , Jian-Xing Li

Photonic metasurfaces are ultrathin electromagnetic wave-molding metamaterials providing the missing link for the integration of nanophotonic chips with nanoelectronic circuits. An extra twist in this field originates from spin-optical…

Ferroelectric vortices formed through complex lattice-charge interactions have great potential in applications for future nanoelectronics such as memories. For practical applications, it is crucial to manipulate these topological states…

Increasing demand for practical applications is forcing deeper research into optical vortices (OVs): from the generation and measurement to shaping and multiple singularities manipulation of OVs. Herein, we propose a new type of phase…

Optics · Physics 2020-02-12 Chen Wang , Yuan Ren , Tong Liu , Song Qiu , Zhimeng Li , Hao Wu

Quasi-phase-matching (QPM) is a widely adopted technique for mitigating stringent momentum conservation in nonlinear optical processes such as second-harmonic generation (SHG). It effectively compensates for the phase velocity mismatch…

Space-time (ST) wave packets are propagation-invariant pulsed optical beams whose group velocity can be tuned in free space by tailoring their spatio-temporal spectral structure. To date, efforts on synthesizing ST wave packets have striven…

Optics · Physics 2021-03-03 Alyssa Allende Motz , Murat Yessenov , Ayman F. Abouraddy

We report stable composite vortex solitons in the model of a three-dimensional photonic crystal with the third-harmonic (TH) generation provided by the quasi-phase-matched quadratic nonlinearity. The photonic crystal is designed with a…

We consider two-dimensional periodically driven systems of fermions with particle-hole symmetry. Such systems support non-trivial topological phases, including ones that cannot be realized in equilibrium. We show that a space-time defect in…

Strongly Correlated Electrons · Physics 2025-04-01 Gilad Kishony , Ori Grossman , Netanel Lindner , Mark Rudner , Erez Berg

Smectic order has been generated in superconducting Nb films with two-fold symmetry arrays of symmetric pinning centers. Magnetic fields applied perpendicularly to the films develop a vortex matter smectic phase that is easily detected when…

Superconductivity · Physics 2015-12-23 J. del Valle , A. Gomez , E. M. Gonzalez , M. R. Osorio , F. Galvez , D. Granados , J. L. Vicent

Toroidal vortex is a kind of novel and exotic structured light with potential applications in photonic topology and quantum information. Here, we present the study on high harmonic generation (HHG) from the interaction of the intense…

Optics · Physics 2024-10-10 Zijian Lyu , Yiqi Fang , Yunquan Liu

The spatio-temporally periodic (STP) potential is interesting in Physics due to the intimate coupling between its time and spatial components. In this paper we begin with a brief discussion of the dynamical behaviors of a single particle in…

Chaotic Dynamics · Physics 2014-09-04 Owen D. Myers , Junru Wu , Jeffrey S. Marshall , Christopher M. Danforth

Highly turbulent nature of convection on the Sun causes strong multi-scale interaction of subsurface layers with the photosphere and chromosphere. According to realistic 3D radiative MHD numerical simulations ubiquitous small-scale vortex…

Solar and Stellar Astrophysics · Physics 2015-06-22 Irina N. Kitiashvili
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