Loss-tolerant operations in parity-code linear optics quantum computing

Hayes, A. J. F., Gilchrist, A. and Ralph, T. C. (2008) Loss-tolerant operations in parity-code linear optics quantum computing. Physical Review A, 77 1: 012310-1-012310-8. doi:10.1103/PhysRevA.77.012310

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Author Hayes, A. J. F.
Gilchrist, A.
Ralph, T. C.
Title Loss-tolerant operations in parity-code linear optics quantum computing
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2008-01-09
Sub-type Article (original research)
DOI 10.1103/PhysRevA.77.012310
Open Access Status File (Publisher version)
Volume 77
Issue 1
Start page 012310-1
End page 012310-8
Total pages 8
Place of publication College Park, MD, United States
Publisher American Physical Society
Collection year 2009
Language eng
Abstract A heavy focus for optical quantum computing is the introduction of error correction, and the minimization of resource requirements. We detail a complete encoding and manipulation scheme designed for circuit-model linear optics quantum computing, incorporating scalable operations and loss-tolerant architecture. We also calculate loss thresholds for the gate systems described, with an efficiency of 83% required for the single-qubit operations, and 90% for the two-qubit controlled-NOT gate.
Keyword Optical quantum computing
Error correction
Encoding and manipulation scheme
Circuit-model linear optics quantum computing
Single-qubit operations
Two-qubit controlled-NOT gate
Encoding
Error correction codes
Parity check codes
Quantum gates
Quantum optics
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Fri, 20 Mar 2009, 17:56:23 EST by Ruth Forrest on behalf of ARC Ctr of Excell for Quantum Computer Technology