The information reconciliation phase in quantum key distribution has significant impact on the range and throughput of any QKD system. We explore this stage for high-dimensional QKD implementations and introduce two novel methods for reconciliation. The methods are based on nonbinary LDPC codes and the Cascade algorithm, respectively, and achieve efficiencies close the Slepian-Wolf bound on q-ary symmetric channels.
Efficient information reconciliation for high-dimensional quantum key distribution / Mueller, Ronny; Ribezzo, Domenico; Zahidy, Mujtaba; Oxenløwe, Leif Katsuo; Bacco, Davide; Forchhammer, Søren. - In: QUANTUM INFORMATION PROCESSING. - ISSN 1570-0755. - ELETTRONICO. - 23:(2024), pp. 195.0-195.0. [10.1007/s11128-024-04395-w]
Efficient information reconciliation for high-dimensional quantum key distribution
Ribezzo, Domenico;Bacco, Davide;
2024
Abstract
The information reconciliation phase in quantum key distribution has significant impact on the range and throughput of any QKD system. We explore this stage for high-dimensional QKD implementations and introduce two novel methods for reconciliation. The methods are based on nonbinary LDPC codes and the Cascade algorithm, respectively, and achieve efficiencies close the Slepian-Wolf bound on q-ary symmetric channels.
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