WDM光纤网络的量子噪声随机数据加密
Quantum-noise--randomized data-encryption for WDM fiber-optic networks
摘要：
我们证明了高速率的随机数据加密，通过光纤使用固有的量子测量噪声的相干态光。具体来说，我们通过一个10 Gbps的数据承载，在线放大200公里长的线路演示了650 Mbps的数据加密。在我们的协议中，合法用户（谁共享一个短的秘密密钥）使用M-ry信号集进行通信，而攻击者（谁不共享的秘密密钥）被迫与基本的和不可约的量子测量噪声的相干态。我们的协议使用偏振编码信号集以及偏振不敏感的相位键控信号集的实现进行了实验和理论评估。不同于密钥生成（量子密钥生成）的密码学目标的性能标准，建立并仔细考虑了数据加密的密码学目标的一组可能的性能标准。
英文摘要：
We demonstrate high-rate randomized data-encryption through optical fibers using the inherent quantum-measurement noise of coherent states of light. Specifically, we demonstrate 650Mbps data encryption through a 10Gbps data-bearing, in-line amplified 200km-long line. In our protocol, legitimate users (who share a short secret-key) communicate using an M-ry signal set while an attacker (who does not share the secret key) is forced to contend with the fundamental and irreducible quantum-measurement noise of coherent states. Implementations of our protocol using both polarization-encoded signal sets as well as polarization-insensitive phase-keyed signal sets are experimentally and theoretically evaluated. Different from the performance criteria for the cryptographic objective of key generation (quantum key-generation), one possible set of performance criteria for the cryptographic objective of data encryption is established and carefully considered.
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