Experimental demonstration of quantum source coding

Yasuyoshi Mitsumori, John A Vaccaro, Stephen M Barnett, Anna Erika Elisabeth Andersson, Atsushi Hasegawa, Masahiro Takeoka, Masahide Sasaki

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

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 in terms of eight spatial and polarization modes. We initially prepare each photon in one of a set of eight nonorthogonal code word 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.

Original languageEnglish
Article number217902
Number of pages4
JournalPhysical Review Letters
Volume91
Issue number21
DOIs
Publication statusPublished - 21 Nov 2003

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