Effect of spontaneous Raman scattering on quantum channel wavelength-multiplexed with classical channel期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Effect of spontaneous Raman scattering on quantum channel wavelength-multiplexed with classical channel

Authors:	H. Kawahara A. Medhipour

Affiliation:	^a Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871 Japan ^b NTT Basic Research Laboratories, NTT Corporation, 3-1 Morinosato Wakamiya, 243-0198 Japan ^c CREST, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama

Abstract:	We quantitatively estimate the effect of spontaneous Raman scattering on a quantum channel wavelength-multiplexed with a classical channel. Based on an experiment that measured the generation power of spontaneous Raman scattering in a fiber, the performance of wavelength-multiplexed quantum key distribution (QKD) systems using the differential-phase-shift protocol is evaluated for various system conditions.

Keywords:	Quantum key distribution Differential-phase-shift QKD Wavelength-multiplexing Spontaneous Raman scattering
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