NDLI: Loss influence on the quantum channels based on the photon-number entangled beams

Content Provider	IEEE Xplore Digital Library
Author	Usenko, V.C. Paris, M.G.A.
Copyright Year	2007
Description	Author affiliation: Nat. Acad. of Sci., Kyiv (Usenko, V.C.)
Abstract	Communication protocols based on quantum states of light have attracted increasing interest in the recent years, since they offer the possibility of enhancing either the communication capacity or the security by exploiting the very quantum nature of the information carriers. While first theoretical ideas and practical realizations started from discrete variables (DC) coding (practically based on the weak laser beams and SPDC-generated photon pairs), the continuous variables (CV) approach (supposing the use of coherent beams and entangled beam pairs) to the quantum information processing is aimed at the increase of the effectiveness and reliability of the quantum information protocols. Though being the subject to the environmental influence and thus performing always imperfectly, the CV-based quantum systems require the study of the effect the environment has on the quantum information processing schemes which is done by analyzing the perturbance of the corresponding quantum states. In this work we address M-ary communication channels based on photon-number continuous-variable multiphoton entangled states (PNES) in the conditions of the realistic lossy optical media.
Starting Page	1
Ending Page	1
File Size	42957
Page Count	1
File Format	PDF
ISBN	9781424409303
DOI	10.1109/CLEOE-IQEC.2007.4386775
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-06-17
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laser theory Protocols Quantum entanglement Quantum mechanics Information security Information processing Reliability theory Performance analysis Laser beams Information analysis
Content Type	Text
Resource Type	Article

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