Quantum-noise - protected data encryption for WDM fiber-optic networks

被引：4

作者：

Corndorf, E ^{[1
]}

Chuang, L ^{[1
]}

Kanter, GS ^{[1
]}

Kumar, P ^{[1
]}

Yuen, HP ^{[1
]}

机构：

[1] Northwestern Univ, Dept Elect & Comp Engn, Ctr Photon Commun & Comp, Evanston, IL 60208 USA

来源：

ACM SIGCOMM COMPUTER COMMUNICATION REVIEW | 2004年 / 34卷 / 05期

关键词：

quantum cryptography; data encryption;

D O I：

10.1145/1039111.1039119

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

We demonstrate high data-rate quantum-noise-protected data encryption through optical fibers using 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 of the cryptographic objective of key generation (quantum key generation), the performance criteria of data encryption are established and carefully considered.

引用

页码：21 / 30

页数：10