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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 12 , 2014    10.3788/COL201412.102703


Impact of spontaneous Raman scattering on quantum channel wavelength-multiplexed with classical channel in time domain
Ningna Yu, Zhaoyue Dong, Jindong Wang, Zhengjun Wei, Zhiming Zhang
Laboratory of Nanophotonic Functional Materials and Devices (SIPSE) and Laboratory of Quantum Engineering and Quantum Materials, [South China Normal University], Guangzhou 510006, China

Chin. Opt. Lett., 2014, 12(10): pp.102703

DOI:10.3788/COL201412.102703
Topic:Quantum optics
Keywords(OCIS Code): 270.0270  060.5565  290.5860  

Abstract
In the quantum key distribution system, quantum channel is always affected by spontaneous Raman scattering noise when it transmits with classical channels that act as synchronization and data channels on a shared fiber. To study the effect of the noise exactly, the temporal distribution characteristics of the Raman scattering noise are analyzed theoretically and measured by a single-photon detector. On the basis of this, a scheme to decrease the noise is proposed.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2014/4/7
Accepted:2014/7/16
Posted online:2014/9/29

Get Citation: Ningna Yu, Zhaoyue Dong, Jindong Wang, Zhengjun Wei, Zhiming Zhang, "Impact of spontaneous Raman scattering on quantum channel wavelength-multiplexed with classical channel in time domain," Chin. Opt. Lett. 12(10), 102703(2014)

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