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Photonic Quantum Dual-Containing LDPC Encoders and Decoders

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1 Author(s)
Djordjevic, I.B. ; Dept. of Electr. & Comput. Eng., Univ. of Arizona, Tucson, AZ

We propose encoder and decoder architectures for quantum low-density parity-check (LDPC) codes suitable for all-optical implementation, based on controlled-not (CNOT) and Hadamard gates only. Given the fact that the CNOT gate can be implemented using directional couplers, and Hadamard gate by using pi-hybrid, the proposed encoders/decoders architectures are suitable for implementation in integrated optics. In addition, we propose several quantum LDPC codes based on balanced incomplete block designs.

Published in:

Photonics Technology Letters, IEEE  (Volume:21 ,  Issue: 13 )