Topological Qubits as Carriers of Quantum Information in Optics

Winding number is a topologically significant quantity that has found valuable applications in various areas of mathematical physics. Here, topological qubits are shown capable of formation from winding number superpositions and so of being used in the communication of quantum information in linear...

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Bibliographic Details
Published in:Applied sciences 2019-02, Vol.9 (3), p.575
Main Authors: Jaeger, Gregg, Simon, David, Sergienko, Alexander
Format: Article
Language:English
Subjects:
Angular momentum
Beam splitters
Berry phase
Computer engineering
Guoy phase
Information processing
Information systems
Light
MBS
multiport
Optical fibers
Optics
Particle beams
Particle physics
Phase transitions
Photonics
quantum OAM
quantum optics
Quantum phenomena
qubit
Qubits (quantum computing)
SSH model
Theory
Topology
Winding
winding number
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Summary:Winding number is a topologically significant quantity that has found valuable applications in various areas of mathematical physics. Here, topological qubits are shown capable of formation from winding number superpositions and so of being used in the communication of quantum information in linear optical systems, the most common realm for quantum communication. In particular, it is shown that winding number qubits appear in several aspects of such systems, including quantum electromagnetic states of spin, momentum, orbital angular momentum, polarization of beams of particles propagating in free-space, optical fiber, beam splitters, and optical multiports.
ISSN:2076-3417
2076-3417
DOI:10.3390/app9030575