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Wednesday, November 09, 2016 7:34:44 AM
http://www.investors.com/news/technology/intel-laser-chip-could-be-game-changer-susquehanna-says/
and
http://blogs.barrons.com/techtraderdaily/2016/11/08/intels-miraculous-mind-blowing-new-chips-per-susquehanna/?mod=yahoobarrons&ru=yahoo
excerpt>
Then Rolland describes how he thinks Intel grows a wafer that incorporates the “Xeon” server CPU, the “FPGA” from Altera, and the laser and photodetectors — apparently all on the same die:
To start, Intel grows a layer of indium phosphide on top of their wafers (the lasers won’t emit without this layer). They then manufacture both their Xeon server CPUs (and Altera FPGAs) in the traditional bulk CMOS process. Next, they design 64 (one for each bit) laser drivers into each die. We suspect these drivers are “in-plane lasers” (meaning the laser shoots from the edge of the chip), but acknowledge they could be VCSELs (Vertical Cavity Surface-Emitting Lasers – meaning the laser shoots out the top surface of the chip). Laser pulses then travel across a waveguide, which acts like miniature fiber optic cable, to a matching photonic detector designed into the FPGA die where the transmission is read. We are unsure about the exact architecture of the waveguides (Are they strands of fiber or channels? Materials? Protrude from just one edge of the die or all around the die?).
mack, any thoughts on this? haven't sen you in a while, hope you are hanging in there, better days ahead
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