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

Ivan B. Djordjevic

doi:10.1364/OL.35.001464

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

Ivan B. Djordjevic

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

I propose encoder and decoder architectures for entanglement-assisted (EA) quantum low-density paritycheck (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.

Original language	English (US)
Pages (from-to)	1464-1466
Number of pages	3
Journal	Optics letters
Volume	35
Issue number	9
DOIs	https://doi.org/10.1364/OL.35.001464
State	Published - May 1 2010

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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AB - I propose encoder and decoder architectures for entanglement-assisted (EA) quantum low-density paritycheck (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.

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

Abstract

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