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Member since:
2009-06-30
Optical data transfer is reality but please don't mix it with optical computing (which, as it is today, is a hoax). Yes, you can make some basic nonlinear optical only blocks (e.g. mixers) but there is little chance they will scale down to sizes comparable to single transistors anytime soon.
Even integrating (hybrid) lasers on chip was problematic. If I understand Intel's presentation correctly, they had to modify the manufacturing process in order to do this. These cells are also not exactly like what you would call "small" or "low power". High speed IO cells can easily occupy area 10000x larger than that of a single CMOS NAND gate and I'm pretty sure Intel's optical IO isn't very different in that respect.