Wavelength division multiplexing quantum key distribution network using a modified plug-and-play system
Wavelength division multiplexing quantum key distribution network using a modified plug-and-play system
复制标题
使用改进的即插即用系统的波分复用量子密钥分配网络
DOI：
10.1007/s11082-014-0039-4
复制
发表时间：
2015-07-01
影响因子：
3
通讯作者：
Fan, Ronghua
中科院分区：
文献类型：
--
作者：
Cheng, Guangming;Guo, Banghong;Fan, Ronghua
This paper proposes and analyzes a multi-user wavelength division multiplexing–quantum key distribution (WDM-QKD) network that employs a modified plug-and-play system; this system employs a multi-wavelength laser diode to generate wavelength pulses for Bobs and utilizes a single phase modulator to modulate the returned pulses for all users. Benefitting from the time delay and delay line in Bobs, the returned pulses remain independent of Rayleigh backward scattering caused by strong pulse signals. Numerical simulations and results show that the key rate per user maintains a high level compared with a point-to-point link, because the communications between Alice and four Bobs can be carried out simultaneously.
