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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 9 — May. 1, 2010
  • pp: 1464–1466

Photonic entanglement-assisted quantum low-density parity-check encoders and decoders

Ivan B. Djordjevic  »View Author Affiliations


Optics Letters, Vol. 35, Issue 9, pp. 1464-1466 (2010)
http://dx.doi.org/10.1364/OL.35.001464


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Abstract

I propose encoder and decoder architectures for entanglement-assisted (EA) quantum low-density parity-check (LDPC) codes suitable for all-optical implementation. I show that two basic gates needed for EA quantum error correction, namely, controlled-NOT (CNOT) and Hadamard gates can be implemented based on Mach–Zehnder interferometer. In addition, I show that EA quantum LDPC codes from balanced incomplete block designs of unitary index require only one entanglement qubit to be shared between source and destination.

© 2010 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(270.5565) Quantum optics : Quantum communications
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: March 1, 2010
Manuscript Accepted: March 13, 2010
Published: April 30, 2010

Citation
Ivan B. Djordjevic, "Photonic entanglement-assisted quantum low-density parity-check encoders and decoders," Opt. Lett. 35, 1464-1466 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-9-1464

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