Not only does this IBM green optical netword sound unbelievably fast with huge amounts of bandwidth, but it also uses far less power than today’s networks. How’s that for a win-win? IBM researchers have just unveiled a prototype network that uses light instead of wires to send information that can transmit up to 8 terabits of info per second, while using power equivalent to a single 100-watt lightbulb.
The new network uses optically enabled circuit boards, called “Optocards” that employ an array of low-loss polymer optical waveguides to conduct light between transmitters and receivers. For a typical network run of 100 meters, the power used by the IBM technology is 100 times less than is used in today’s electrical interconnects, and 10 times less than other current commercial optical modules.
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