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Technology Stocks : LAST MILE TECHNOLOGIES - Let's Discuss Them Here
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To: Bernard Levy who wrote (5450)10/4/1999 8:21:00 PM
From: Frank A. Coluccio  Read Replies (2) of 12823
 
Bernard, thank you for that excellent but much too brief tutorial.

The Times article I referenced earlier had the Russians working on an acoustic variant: piezo-like excitation of a treated carbon medium that could theoretically carry very high bit rates over long distances. A part of which, you've corroborated here:

" These waves also exist in all media (I saw an acoustic demonstration), but they are not solitons, since they require a linear medium."

What stuck out in my mind was the otherwise unlikely consideration for acoustic waves ever substituting for e-m, electron or photon flows.

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I, too, have come across numerous references to the planned use of solitons in future long haul submarine systems. Here's some additional information from Pioneer Consulting's report of last year which addresses such a use:

pioneerconsulting.com

"The table below lists the submarine systems planned with WDM technology. Pioneer Consulting predicts that 80% of the long-haul systems installed between 1997 and 2002 will employ WDM technology, while 35% of short-haul and repeaterless links will employ the technology. As the submarine market develops past 2002, long-haul systems will be using combinations of WDM and soliton technology to achieve bit rates over 100 Gbps. Short haul systems will more closely resemble domestic long distance networks, using a mixture of high speed SDH [SONET] technology to achieve 10 Gbps throughput over high-fiber-count cables and WDM technology to integrate long-haul submarine systems into domestic networks through dedicated wavelength routing and switching."

The table which followed this snip was useful, btw.
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Regards, Frank Coluccio
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