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   Articles with "unidirectional reflectionless" as a keyword



Dual-frequency tunable unidirectional reflectionless propagation in non-Hermitian graphene plasmonic waveguide system

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recommendations! Published in 2020 at "Optical Materials"

DOI: 10.1016/j.optmat.2020.110515

Abstract: Abstract We theoretically investigate a dynamically tunable unidirectional reflectionlessness phenomenon by applying external voltage in a graphene plasmonic waveguide system based on far-field coupling among three resonators. The system consists of three wing-shaped resonators, which… read more here.

Keywords: tunable unidirectional; graphene plasmonic; system; graphene ... See more keywords
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Unidirectional reflectionless propagation of near-infrared light in resonator-assisted non-parity-time symmetric waveguides

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recommendations! 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

Unidirectional Reflectionless Propagation in Plasmonic Waveguide System Based on Phase Coupling Between Two Stub Resonators

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recommendations! Published in 2017 at "IEEE Photonics Journal"

DOI: 10.1109/jphot.2017.2761899

Abstract: A scheme on unidirectional reflectionless propagation is theoretically investigated in a plasmonic waveguide system which consists of two metal–insulator–metal (MIM) stub resonators side coupled to an MIM plasmonic waveguide. By appropriately tuning the phase difference… read more here.

Keywords: reflectionless propagation; stub resonators; unidirectional reflectionless; plasmonic waveguide ... See more keywords
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Unidirectional reflectionless propagation in a non-ideal parity-time metasurface based on far field coupling.

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recommendations! Published in 2017 at "Optics express"

DOI: 10.1364/oe.25.011778

Abstract: We propose a scheme to achieve a controllable unidirectional reflectionless propagation at exceptional point (EP) in a non-ideal parity-time metasurface consisting of two silver ring resonators. The unidirectional reflectionless propagation can be manipulated by simply… read more here.

Keywords: reflectionless propagation; ideal parity; non ideal; unidirectional reflectionless ... See more keywords
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Dual-Band Unidirectional Reflectionless Propagation in Metamaterial Based on Two Circular-Hole Resonators

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recommendations! Published in 2018 at "Materials"

DOI: 10.3390/ma11122353

Abstract: Dual-band unidirectional reflectionless propagation at two exceptional points is investigated in metamaterial, which is composed of only two gold resonators with circular holes, by simply manipulating the angle of incident wave and distance between two… read more here.

Keywords: reflectionless propagation; dual band; unidirectional reflectionless; band unidirectional ... See more keywords