17 Result(s)
within
Ju-Song Ryom
English
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Article
Influence of the flip–flop interaction on a single plasmon transport in 1D waveguide
Transport of a single plasmon in the 1D waveguide coupled to two emitters with the flip–flop interaction is discussed theoretically via the real-space approach. We showed that the transmission and reflection o...
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Article
Optically controlled quantum gates for three spin qubits in quantum dot–microcavity coupled systems
We investigate theoretically the possibility of achieving feasible solid-state quantum computing by compactly constructing a set of two or three quantum gates on stationary electron spin qubits, including the ...
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Article
Feasible Surface Plasmon Routing Based on the Self-Assembled InGaAs/GaAs Semiconductor Quantum Dot Located Between Two Silver Metallic Waveguides
We proposed an experimentally feasible scheme of nano-plasmonic switch and quantum router via the single self-assembled InGaAs/GaAs semiconductor quantum dot (SQD) with a V-type three-level energy structure lo...
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Article
Single plasmon router with two quantum dots side coupled to two plasmonic waveguides with a junction
We proposed a new multichannel scheme of quantum routing for single plasmons with two quantum dots (QDs) side coupled to two plasmonic waveguides, one of which is infinite and the other is semi-infinite, with ...
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Article
Pairwise and Bipartite Entanglements of Three Non-Equally Separated Quantum Dots in Plasmonic Nanowaveguide System
We theoretically investigate properties of the pairwise and bipartite entanglements of three non-equally separated quantum dots (QDs) coupled to one-dimensional plasmonic nanowaveguide by means of the concurre...
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Article
Realizable Single Photon Beam Splitter Based on Classical-Assisted Cyclic Transition of InGaAs/GaAs Quantum Dot Coupled to the T-Splitter Silver Nanowire
We have proposed a constructive scheme of a realizable single photon beam splitter with a three-level InGaAs/GaAs quantum dot placed in the turning point of two waveguides and, on the basis of a real space app...
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Article
Quantum Routing for Single Plasmons Modulated by the Dipole–Dipole Interaction in a π-Shaped Channel
We theoretically investigate a new scheme of single plasmon (SP) quantum router with a π-shaped channel consisting of two quantum dots (QDs) and three plasmonic waveguides (PWs), where the two QDs are coupled ...
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Article
Entanglement of Two Quantum Dots with Azimuthal Angle Difference in Plasmonic Waveguide System
We investigate the properties of entanglement between two quantum dots (QDs) with an azimuthal angle difference in two different plasmonic waveguide systems where a cavity coupled to the QDs is included or not...
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Article
Wavelength Division Multiplexing-Like Quantum Routing for Single Plasmons in the Quantum Dots–Waveguides Hybrid System
We proposed a new scheme of multi-channel quantum router for single plasmons (SPs) with the hybrid system consisted of three quantum dots (QDs) placed at different junctions at which an infinite plasmonic wave...
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Article
Multiport quantum routing with four quantum dots placed at the junctions of ladder-type plasmonic waveguide
We have proposed a new multichannel scheme of multiport quantum routing for single plasmons (SPs) with four quantum dots placed at the junctions of ladder-type plasmonic waveguides (PWs), two of which are infi...
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Article
Control of directional routing properties of single photons using a two-level CdS quantum dot embedded in the cross-point of silver nanowire with a side branch
We have proposed a theoretical scheme for the quantum router which is the important key element of the quantum network construction and study its single-photon transport properties on the basis of the real-spa...
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Article
Single Plasmon Router with the Two InGaAs Quantum Dots Placed at the Junctions of H-type Silver Nanowire
We have proposed a new multi-channel scheme of quantum routing for single plasmons (SPs) with two two-level InGaAs quantum dots (QDs) placed at the junctions of H-type plasmonic waveguides (PWs), two of which ...
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Article
Can quantum genetic algorithm really improve quantum backpropagation neural network?
The key point of introducing quantum genetic algorithm to a quantum backpropagation neural network model is to overcome local stagnation problem which used to be Achilles’ heel. In this paper, we propose a new...
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Article
Single plasmon routing with the four quantum dots coupled to a cross-type plasmonic waveguide
We proposed a new scheme of multichannel quantum routing for single plasmons (SPs) using the cross-type plasmonic waveguides (PWs) that couples to four two-level InGaAs quantum dots (QDs). In our proposed syst...
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Article
Entanglement of two quantum dots with dipole–dipole interaction coupled to a cavity in plasmonic waveguide system
We investigate quantum entanglement between two quantum dots (QDs) with dipole–dipole interaction (DDI) in plasmonic waveguide system where a cavity is coupled to the QDs but decoupled from the waveguide. The ...
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Article
Viable routing modulation of a surface plasmon by GaAs/AlGaAs quantum dot embedded in the silver nanowire with a side branch
We have theoretically investigated practically controllable routing properties of a surface plasmon by GaAs/AlGaAs quantum dot (QD) embedded in the silver nanowire with a side branch on the basis of the real s...
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Article
Entanglement Generated in Quantum Dot-Cavity Coupled System Mediated by Plasmonic Waveguide
We theoretically study the entanglement between two quantum dots (QDs) with dipole–dipole interaction (DDI) in the composite quantum system composed of a plasmonic waveguide and two cavities. The analytical ex...
