Decoding digital information using optical components was proposed. The method was based on the iterative coding schemes, such as turbo codes and low-density parity-check (LDPC)codes. An increase in the speed at least two orders of magnitude could be acheived compared to the conventional electronic decoding by this proposed architecture.

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Conference 2002 IEEE International Symposium on Information Theory
Citation
Banihashemi, A, & Hemati, S. (Saied). (2002). Decoding in optics. In IEEE International Symposium on Information Theory - Proceedings.