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Date: Dec 28, 06
IBM gets a step closer in integrating
optical communications inside a silicon chip
IBM clears the bottleneck of delaying the
light inside the chip. The researchers at IBM have developed
delay line made up of "micro ring resonators" built
using popular CMOS chip fabrication process. These micro ring
resonators can store 10 bits of optical information within
an area of 0.03 square millimeters. This optical delay generating
technology will speed up the research in using photon instead
of electron to communicate the signal inside the chip across
various blocks.
The simple advantage of speed and no Electro Magnetic Interference
(EMI) of optical communications will boost the processor performance
to a new level. However, there is still lot of issues yet
to be solved to make this technology commercially feasible.
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