Sun Feb 18 21:21:49 PST 1996

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At 08:13 PM 2/18/96 -0500, Dave Emery wrote:
>
>> 
>> Bob writes:
>> 
>> > Does anyone know if the new in-line optical amplifiers (not switches!) have
>> > any effect on quantum crypto messages?
>
>  Optical
>> repeaters have to pass your signal through an intermediate electronic
>> stage anyway, since we have no purely optical valve/transistor
>> equivalents (bosons don't interact with each other at all).
>
>	This is not true.   There is now a whole technology of optical
>amplifiers for fiber communications systems that used Ettrium doped
>fibers pumped

The proper name is "Erbium."  But the rest of Dave Emery's commentary is
accurate.

Jim Bell
jimbell at pacifier.com

Klaatu Burada Nikto

Something is going to happen.    Something.....Wonderful!