Multipole solitons in a cold atomic gas with a parity-time symmetric potential
Sign Up to like & getrecommendations! Published in 2018 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-018-4694-z
Abstract: We investigate the formation and propagation of multipole solitons (MSs) in a cold atomic gas with a parity-time (PT) symmetric potential. A $$\wedge $$∧-type three-level configuration is considered in the electromagnetically induced transparency arrangement. The… read more here.
Keywords: parity time; time symmetric; multipole solitons; cold atomic ... See more keywords
Analytic study on optical solitons in parity-time-symmetric mixed linear and nonlinear modulation lattices with non-Kerr nonlinearities
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.08.023
Abstract: Abstract This paper studies soliton solutions in parity-time-symmetric mixed linear and nonlinear optical lattices with Kerr and non-Kerr law nonlinearities. Four different kinds of rough mediums namely, parabolic law, power law, dual power law and… read more here.
Keywords: non kerr; parity time; law; time symmetric ... See more keywords
Extraordinary directional optical properties of a parity-time symmetric one-dimensional photonic lattice
Sign Up to like & getrecommendations! Published in 2021 at "Optics Communications"
DOI: 10.1016/j.optcom.2021.127342
Abstract: Abstract Recently, photonic structures with non-Hermitian Hamiltonians have attracted few attentions for engineering materials with new directional functionalities. In this paper, we have investigated the transmittance and reflectance of the one-dimensional photonic lattice with parity-time… read more here.
Keywords: parity time; photonic lattice; extraordinary directional; one dimensional ... See more keywords
Localization and Steering of Light in One-Dimensional Parity-Time Symmetric Photonic Lattices
Sign Up to like & getrecommendations! Published in 2019 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/36/1/014201
Abstract: We theoretically study the propagation dynamics of input light in one-dimensional mixed linear-nonlinear photonic lattices with a complex parity-time symmetric potential. Numerical computation shows simultaneous localization and steering of the optical beam due to the… read more here.
Keywords: photonic lattices; parity time; light one; localization steering ... See more keywords
Unidirectional reflectionless propagation of near-infrared light in resonator-assisted non-parity-time symmetric waveguides
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abf45a
Abstract: The unidirectional reflectionless (UR) light propagation is investigated in the waveguide coupled to gain and loss resonators by using a developed coupled mode-scattering matrix theory. The results show that there is almost no reflection in… read more here.
Keywords: propagation; non parity; parity time; time symmetric ... See more keywords
Analytical results for a parity-time-symmetric two-level system under synchronous combined modulations
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.052128
Abstract: We propose a simple method of combined synchronous modulations to generate the analytically exact solutions for a parity-time symmetric two-level system. Such exact solutions are expressible in terms of simple elementary functions and helpful for… read more here.
Keywords: two level; parity time; system; time symmetric ... See more keywords
Untying links through anti-parity-time-symmetric coupling
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.161101
Abstract: We reveal how the vector field links are untied under the influence of anti-parity-time-symmetric couplings in a dissipative sublattice-symmetric topological photonic crystal lattice. The topology of the quasi-one-dimensional two-band system is encoded in the geometric… read more here.
Keywords: anti parity; vector; parity time; time symmetric ... See more keywords
Unidirectional transmission in two-dimensional photonic crystal composed of parity-time symmetric and magneto-optical materials
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.11.117102
Abstract: Abstract. In this study, a one-way electromagnetic waveguide consisting of magneto-optical (MO) and parity-time (PT)-symmetric materials was constructed. Due to the composite boundary conditions, this waveguide simultaneously has two unidirectional dispersive curves and two different… read more here.
Keywords: time; magneto optical; parity time; materials unidirectional ... See more keywords
Detecting topological exceptional points in a parity-time symmetric system with cold atoms.
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DOI: 10.1364/oe.25.015786
Abstract: We reveal a novel topological property of the exceptional points in a two-level parity-time symmetric system and then propose a scheme to detect the topological exceptional points in the system, which is embedded in a… read more here.
Keywords: symmetric system; parity time; exceptional points; system ... See more keywords
Vector solitons in nonparity-time-symmetric complex potentials.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.026511
Abstract: The existence and stability of vector solitons in non-parity-time (PT)-symmetric complex potentials are investigated. We study the vector soliton family, in which the propagation constants of the two components are different. It is found that… read more here.
Keywords: vector; time symmetric; complex potentials; symmetric complex ... See more keywords
Parity-time-symmetric frequency-tunable optoelectronic oscillator with a single dual-polarization optical loop.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.394719
Abstract: We propose and experimentally demonstrate a parity-time (PT)-symmetric frequency-tunable optoelectronic oscillator (OEO) in which the PT symmetry is implemented based on a single dual-polarization optical loop. By employing the inherent birefringence of a z-cut lithium… read more here.
Keywords: frequency tunable; parity time; time symmetric; frequency ... See more keywords