Field-installed fiber transmission of Y-00 quantum noise stream cipher with quantum deliberate signal randomization

Field-installed fiber transmission of Y-00 quantum noise stream cipher with quantum deliberate signal randomization
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具有量子故意信号随机化功能的 Y-00 量子噪声流密码的现场安装光纤传输

DOI:
10.1117/12.2645899
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发表时间:
2023
期刊:
--
影响因子:
--
通讯作者:
Kentaro Kato
Kentaro Kato
中科院分区:
--
文献类型:
--
作者:
F. Futami;Ken Tanizawa;Kentaro Kato

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本研究演示了具有量子故意信号随机化 (QDSR) 的 Y-00 量子流密码的光纤传输。 QDSR 是由量子随机数发生器驱动的故意信号随机化,它利用量子噪声大幅增强信号屏蔽,以实现更高的安全性。具有 QDSR 的 10 Gb/s 线速双偏振相移键控 Y-00 密码通过带光放大器的 400 公里现场安装单模光纤链路进行传输。当加密后的相位级别和QDSR的索引分别设置为216和0.2时,量子噪声掩蔽数比没有QDSR时增加了40倍以上,增强了安全性。然而,QDSR 造成的传输损失仍然很小。
This study demonstrates the optical fiber transmission of the Y-00 quantum stream cipher with quantum deliberate signal randomization (QDSR). QDSR is a deliberate signal randomization driven by a quantum random number generator, which substantially enhances signal masking using quantum noise to realize higher security. A 10-Gb/s line-rate dualpolarization phase-shift keying Y-00 cipher with QDSR is transmitted over a 400-km field-installed single-mode fiber link with optical amplifiers. When the phase levels after encryption and the index of QDSR are set to 216 and 0.2, respectively, the quantum noise masking number increases by a factor of more than 40 compared to that without QDSR, which enhances security. However, the transmission penalty owing to QDSR remains small.
DOI: --
发表时间: 2019
期刊:
影响因子: --
作者:
Fumio Futami;Ken Tanizawa;and Kentaro Kato
通讯作者: and Kentaro Kato
DOI: --
发表时间: 2019
期刊:
影响因子: --
作者:
荒木 良仁;桑原 寛明;國枝 義敏
通讯作者: 國枝 義敏