Entanglement enhanced bit rate over multiple uses of a lossy bosonic channel with memory

Details Entanglement enhanced bit rate over multiple uses of a lossy bosonic channel with memory Entanglement enhanced bit rate over multiple uses of a lossy bosonic channel with memory

2009-01-30

arxiv.org/abs/0901.4966v1

Optics & Spectroscopy 108, 319 (2010)

Physics

Quantum Physics

3 figures, comments are welcome

Scientific paper

10.1134/S0030400X1003001X

We present a study of the achievable rates for classical information
transmission via a lossy bosonic channel with memory, using homodyne detection.
A comparison with the memoryless case shows that the presence of memory
enhances the bit rate if information is encoded in collective states, i.e.
states which are entangled over different uses of the channel.

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