Presentation 2010-11-04
Quantum Error Correction with Non-Binary LDPC Codes
Kenta KASAI, Manabu HAGIWARA, Hideki IMAI, Koichi SAKANIWA,
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Abstract(in English) Quantum error correction is used in quantum computing and quantum communications to protect quantum information from quantum noise. Quantum LDPC codes are efficiently decodable quantum error correcting codes defined by sparse parity-check equations. CSS (Calderbank, Shor and Steane) codes are the most promising quantum error correcting codes. In this paper, we consider the quantum error correction over the depolarizing channels with non-binary LDPC codes defined over Galois field of size 2P. The resulting quantum codes outperform the best known quantum codes and surpass the performance limit of the bounded distance decoder. By increasing the size of the underlying Galois field, i.e., 2P, the error floors are considerably improved.
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Keyword(in English) non-binary LDPC codes / quantum error correcting codes
Paper # IBISML2010-77
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Committee IBISML
Conference Date 2010/10/28(1days)
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Registration To Information-Based Induction Sciences and Machine Learning (IBISML)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Quantum Error Correction with Non-Binary LDPC Codes
Sub Title (in English)
Keyword(1) non-binary LDPC codes
Keyword(2) quantum error correcting codes
1st Author's Name Kenta KASAI
1st Author's Affiliation Dept. of Communications and Integrated Systems, Tokyo Institute of Technology()
2nd Author's Name Manabu HAGIWARA
2nd Author's Affiliation Research Center for Information Security, National Institute of Advanced Industrial Science and Technology
3rd Author's Name Hideki IMAI
3rd Author's Affiliation Research Center for Information Security, National Institute of Advanced Industrial Science and Technology:Dept. of Electrical, Electronic and Communication Engineering, Faculty of Science and Engineering, Chuo University
4th Author's Name Koichi SAKANIWA
4th Author's Affiliation Dept. of Communications and Integrated Systems, Tokyo Institute of Technology
Date 2010-11-04
Paper # IBISML2010-77
Volume (vol) vol.110
Number (no) 265
Page pp.pp.-
#Pages 11
Date of Issue