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[Phys.org] Computing at the speed of light: Team takes big step toward much faster computers

post #1 of 25
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Computing at the speed of light: Team takes big step toward much faster computers

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post #2 of 25
I was just going to post this myself, but you beat me to it by almost a whole day lol
I found it on IFLS http://www.iflscience.com/technology/revolutionary-silicon-chip-makes-light-work

Really ineresting step up in computing, i wonder how long until we see it being used.
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post #3 of 25
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And because photonic chips shuttle photons instead of electrons, mobile devices such as smartphones or tablets built with this technology would consume less power, have longer battery life and generate less heat than existing mobile devices

Meh, who cares about mobile device power consumption. Yesterday my cat jumped behind my PC while I was gaming and got convection-cooked into a piece of kitten-kebab before it landed.

FIX PC POWER USAGE PLZ. Kitties are suffering. sad-smiley-002.gif
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post #4 of 25
Optical computing really is the only way to get around the quantum tunneling effects that will limit our ability to shrink transistors.

The primary benefit of optical communication is bandwidth: this is why we use optical fibers for the internet, not conductors. That bandwidth advantage applies within an integrated circuit just as much as it does to a cross-country backbone line.
post #5 of 25
Quote:
Originally Posted by Mand12 View Post

Optical computing really is the only way to get around the quantum tunneling effects that will limit our ability to shrink transistors.

The primary benefit of optical communication is bandwidth: this is why we use optical fibers for the internet, not conductors. That bandwidth advantage applies within an integrated circuit just as much as it does to a cross-country backbone line.

Quantum computers will get there first in my opinion. They're already up and running, while everybody is still trying to figure out how to make an optical chip.
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post #6 of 25
Quantum computers are most certainly not "up and running." What we've been able to demonstrate is the ability to make a few entangled qubits, and perform simple calculations with them. And to do that takes massive laboratory setups, intricate controls, precise alignment, and a lot of patience. It's so ridiculously far from being technologically mature to the point of making actual devices out of it.

Optical computing, on the other hand, is very close at hand. The important part about this is that they're making these components with standard silicon fab processing. They've already demonstrated optical ICs. It's just a few more years of technical refinement.
post #7 of 25
Quote:
Originally Posted by Mand12 View Post

Quantum computers are most certainly not "up and running." What we've been able to demonstrate is the ability to make a few entangled qubits, and perform simple calculations with them. And to do that takes massive laboratory setups, intricate controls, precise alignment, and a lot of patience. It's so ridiculously far from being technologically mature to the point of making actual devices out of it.

Optical computing, on the other hand, is very close at hand. The important part about this is that they're making these components with standard silicon fab processing. They've already demonstrated optical ICs. It's just a few more years of technical refinement.

http://www.dwavesys.com/quantum-computing

They're up and running and they're even for sale, just hand over $10,000,000.

Oh, and make room for a box the size of a meat freezer. And you better figure out how to use one too, because even the brightest minds in the industry are still struggling to wrap their head around it.
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post #8 of 25
That's what I said?
post #9 of 25
Quote:
Originally Posted by Mand12 View Post

That's what I said?

512 qubits is not a few, it's enough to match some of the best supercomputers currently in existence, and it doesn't take a massive laboratory setup, it takes a 10'x10' box.
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