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Luis Sanchez
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re: Nanolasers grown on silicon
Luis Sanchez   2/10/2011 10:14:30 PM
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Interesting news. A step added to the long road of opti-tronics? Or how would you call that? Instead of electrical current, use light. In theory that would make faster computers and no FCC regulations needed... that would reduce the cost of electronics at the long term. Ooops, sorry, optronics ;-)

mae5159
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re: Nanolasers grown on silicon
mae5159   2/10/2011 9:30:25 AM
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Hm, I really hope we can make and/or research these eventually in our campus lab. Talking with profs tomorrow!

krisi
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re: Nanolasers grown on silicon
krisi   2/8/2011 1:01:38 AM
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I presume they would need to be grown at the place where they are needed...random placement of some lasers on top of the chip will probably not work;-)...some sort of seed for epitaxial growth???...dr Kris

pixies
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re: Nanolasers grown on silicon
pixies   2/7/2011 7:59:02 PM
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The question is, how do you pump it electrically? i.e., how and where to make electrical contacts?

krisi
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re: Nanolasers grown on silicon
krisi   2/7/2011 6:47:50 PM
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If growing nanoIII-V laser on top of CMOS works out that would be a game changer!!! dr Kris

Kinnar
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re: Nanolasers grown on silicon
Kinnar   2/6/2011 7:02:09 PM
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This research will open a totally new stream in the field of electronics and optics. It would be possible to have smaller and faster routers and communication devices.



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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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