more on 10-Fold Increase in Quantum Cryptography Key Generation Rate

[David Farber <dave () farber net>]

Begin forwarded message:

From: Martyn_Williams () idg com
Date: September 29, 2004 11:08:17 PM EDT
To: dave () farber net
Subject: Re: [IP] 10-Fold Increase in Quantum Cryptography Key 
Generation Rate

Dave,

 Here's a little more on the NEC quantum cryptography. My colleague 
here spoke to their researchers earlier this month

 Martyn


http://www.pcworld.idg.com.au/index.php/id;339773440;fp;2;fpid;1

 NEC extends quantum cryptography range and speed
 Paul Kallender, IDG News Service
 17/09/2004 08:01:39

 NEC researchers have developed a quantum cryptography system with 
sufficient speed and range to make it commercially viable. It could go 
on sale in the second half of 2005, the researchers said Thursday.

 The system can generate quantum keys at a speed of 100k bps (bits per 
second) and transmit them over distances of up to 40 kilometers along 
commercial fiber optic lines. This combination of speed and distance is 
a world record, and means the system is suitable for commercial use, 
according to Kazuo Nakamura, senior manager of NEC's quantum 
information technology group at the company's Fundamental and 
Environmental Research Laboratories.

 The system, which was first tested successfully in April at the 
company's System Platforms Research Laboratories contains several 
breakthroughs from previous technologies used by the company, according 
to Akio Tajima, assistant manager at the laboratory.

 ........

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