"QUANTUM: securing high-speed data streams with quantum encryption"
Northwestern professors Prem Kumar and Horace Yuen demonstrate a quantum encryption system that encodes entire high-speed data streams and could potentially encrypt data sent at Internet backbones speeds. The approach ups-the-ante for secure networks by using quantum codes to encrypt the signal transmitted down the Internet's optical fiber backbone rather than just using quantum logic to secure the encryption key.

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Story in EE Times: http://www.eet.com/at/news/OEG20021107S0031