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Waveguide-QED-based photonic quantum computation.

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Date
2013-08
Authors
Zheng, Huaixiu
Gauthier, Daniel J
Baranger, Harold U
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Abstract
We propose a new scheme for quantum computation using flying qubits--propagating photons in a one-dimensional waveguide interacting with matter qubits. Photon-photon interactions are mediated by the coupling to a four-level system, based on which photon-photon π-phase gates (CONTROLLED-NOT) can be implemented for universal quantum computation. We show that high gate fidelity is possible, given recent dramatic experimental progress in superconducting circuits and photonic-crystal waveguides. The proposed system can be an important building block for future on-chip quantum networks.
Type
Journal article
Subject
Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
PLASMONS
NANOWIRE
OPTICS
Permalink
https://hdl.handle.net/10161/26464
Published Version (Please cite this version)
10.1103/physrevlett.111.090502
Publication Info
Zheng, Huaixiu; Gauthier, Daniel J; & Baranger, Harold U (2013). Waveguide-QED-based photonic quantum computation. Physical review letters, 111(9). pp. 090502. 10.1103/physrevlett.111.090502. Retrieved from https://hdl.handle.net/10161/26464.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Baranger

Harold U. Baranger

Professor of Physics
The broad focus of Prof. Baranger's group is quantum open systems at the nanoscale, particularly the generation of correlation between particles in such systems. Fundamental interest in nanophysics-- the physics of small, nanometer scale, bits of solid-- stems from the ability to control and probe systems on length scales larger than atoms but small enough that the averaging inherent in bulk properties has not yet occurred. Using this ability, entirely unanticipated phenomena ca
Gauthier

Daniel J. Gauthier

Research Professor of Physics
Prof. Gauthier is interested in a broad range of topics in the fields of nonlinear and quantum optics, and nonlinear dynamical systems. In the area of optical physics, his group is studying the fundamental characteristics of highly nonlinear light-matter interactions at both the classical and quantum levels and is using this understanding to develop practical devices. At the quantum level, his group has three major efforts in the area of quantum communication and networking. I
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