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Title: Superdense coding interleaved with forward error correction

Superdense coding promises increased classical capacity and communication security but this advantage may be undermined by noise in the quantum channel. We present a numerical study of how forward error correction (FEC) applied to the encoded classical message can be used to mitigate against quantum channel noise. By studying the bit error rate under different FEC codes, we identify the unique role that burst errors play in superdense coding, and we show how these can be mitigated against by interleaving the FEC codewords prior to transmission. As a result, we conclude that classical FEC with interleaving is a useful method to improve the performance in near-term demonstrations of superdense coding.
Authors:
 [1] ;  [1]
  1. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Publication Date:
OSTI Identifier:
1253247
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
Quantum Measurements and Quantum Metrology
Additional Journal Information:
Journal Volume: 3; Journal Issue: 1; Journal ID: ISSN 2299-114X
Publisher:
De Gruyter
Research Org:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING quantum communication; error correction; quantum information