Articles with "symmetric system" as a keyword



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Phase-coupled optical diode based on PT symmetric system

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Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.09.017

Abstract: Abstract Here we investigate a phase-coupled parity-time symmetric plasmonic system, and theoretically achieved the all optical on-chip plasmonic diode using the coupled mode theory. The proposed symmetrical system consists of one loss cavity and one… read more here.

Keywords: symmetric system; system; diode; coupled optical ... See more keywords
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Electric-Charge Dynamics of a Spherically Symmetric System in a Self-Consistent Field

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Published in 2020 at "Physics of Particles and Nuclei Letters"

DOI: 10.1134/s1547477120030048

Abstract: This work studies the behavior of a spherically symmetric single-component dense cloud of charged particles under the influence of their own field. A kinetic description based on Meschersky’s integral has been used. Particle movements have… read more here.

Keywords: symmetric system; spherically symmetric; electric charge; charge dynamics ... See more keywords
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Detecting topological exceptional points in a parity-time symmetric system with cold atoms.

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Published in 2017 at "Optics express"

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
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Exceptional points enhance sum sideband generation in a mechanical PT-symmetric system.

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Published in 2021 at "Optics express"

DOI: 10.1364/oe.417156

Abstract: Systems exhibiting parity-time (PT) symmetry are, in general, non-Hermitian systems, in which exceptional points (EPs) emerge when the system transits from the PT-symmetric phase to the broken-PT-symmetric phase. Based on the abnormal exponential amplification effect… read more here.

Keywords: system; generation; sum sideband; exceptional points ... See more keywords
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Dual-loop parity-time symmetric system with a rational loop length ratio.

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Published in 2022 at "Optics letters"

DOI: 10.1364/ol.479154

Abstract: By exploring the relationship between the gain/loss and the coupling coefficient, parity-time (PT) symmetry has been well explored in the photonics and optoelectronics fields to achieve unique functions, such as sidemode suppression, non-reciprocal light propagation,… read more here.

Keywords: length ratio; loop; parity time; symmetric system ... See more keywords