Experimental demonstration of quantum source coding

Details Experimental demonstration of quantum source coding Experimental demonstration of quantum source coding

2003-04-04

arxiv.org/abs/quant-ph/0304036v1

Phys. Rev. Lett. 91, 217902 (2003).

Physics

Quantum Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.91.217902

We report an experimental demonstration of Schumacher's quantum noiseless coding theorem. Our experiment employs a sequence of single photons each of which represents three qubits. We initially prepare each photon in one of a set of 8 non-orthogonal codeword states corresponding to the value of a block of three binary letters. We use quantum coding to compress this quantum data into a two-qubit quantum channel and then uncompress the two-qubit channel to restore the original data with a fidelity approaching the theoretical limit.

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