Mark M. Wilde, Hari Krovi, Todd A. Brun
Published 2007-05-29, updated 2007-08-10Version 3
We construct a theory of continuous-variable entanglement-assisted quantum error correction. We present an example of a continuous-variable entanglement-assisted code that corrects for an arbitrary single-mode error. We also show how to implement encoding circuits using passive optical devices, homodyne measurements, feedforward classical communication, conditional displacements, and off-line squeezers.
Comments: 8 pages, 1 figure, major expansion of paper with detailed example
Journal: Physical Review A 76, 052308 (2007)
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