Journal article
Improving the maximum transmission distance of continuous-variable quantum key distribution using a noiseless amplifier
- Abstract:
-
We show that the maximum transmission distance of continuous-variable quantum key distribution in presence of a Gaussian noisy lossy channel can be arbitrarily increased using a heralded noiseless linear amplifier. We explicitly consider a protocol using amplitude- and phase-modulated coherent states with reverse reconciliation. Assuming that the secret key rate drops to zero for a line transmittance T lim, we find that a noiseless amplifier with amplitude gain g can ...
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Bibliographic Details
- Journal:
- Physical Review A - Atomic, Molecular, and Optical Physics More from this journal
- Volume:
- 86
- Issue:
- 1
- Publication date:
- 2012-07-23
- DOI:
- EISSN:
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1094-1622
- ISSN:
-
1050-2947
Item Description
- Language:
-
English
- Pubs id:
-
pubs:345103
- UUID:
-
uuid:48187f59-24bc-4ed7-9138-2e2bc37c50da
- Local pid:
-
pubs:345103
- Source identifiers:
-
345103
- Deposit date:
-
2013-12-12
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- Copyright date:
- 2012
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