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Phys. Rev. Lett. 81, 1714–1717 (1998)

Universal Quantum Information Compression

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Richard Jozsa*
School of Mathematics and Statistics, University of Plymouth, Plymouth, Devon PL4 8AA, England

Michał Horodecki†
Institute of Theoretical Physics and Astrophysics, University of Gdańsk, 80-952 Gdańsk, Poland

Paweł Horodecki‡
Faculty of Applied Physics and Mathematics, Technical University of Gdańsk, 80-952 Gdańsk, Poland

Ryszard Horodecki§
Institute of Theoretical Physics and Astrophysics, University of Gdańsk, 80-952 Gdańsk, Poland

Received 7 May 1998; published in the issue dated 24 August 1998

Suppose that a finite dimensional quantum source is known to have von Neumann entropy less than or equal to S but is otherwise completely unspecified. We describe a method of universal quantum data compression which will faithfully compress the quantum information of any such source to S qubits per signal (in the limit of large block lengths).

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.81.1714
DOI:
10.1103/PhysRevLett.81.1714
PACS:
03.67.-a

*Email address: rjozsa@plymouth.ac.uk

†Email address: michalh@iftia.univ.gda.pl

‡Email address: pawel@mifgate.mif.pg.gda.pl

§Email address: fizrh@univ.gda.pl

 
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