Optimization of Block Size for Reconciliation Protocol

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Abstract:

Reconciliation protocol is used in quantum cryptography to correct errors in qubits by exchanging information via classical channel. Winnow is a widely used efficient reconciliation protocol. It separates qubits into blocks, then utilizes Hamming coding to remove bit errors in each block. Performance of Winnow protocol relies deeply on the size of the blocks. In this paper, implementation of winnow protocol is introduced and optimization of block size for the protocol is analyzed. It is shown through experiment results that the optimized value of block size is 0.4/BER, where BER is bit error rate of qubits.

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1282-1285

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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