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[Wired]Tiny Silicon Chip Uses Quantum Physics to Slow Light Down

post #1 of 22
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Quote:
The tiny silicon chip works at room temperatures and can be mass-produced, with 32 chips on a 4-inch silicon wafer. Previous efforts slowed light to just 0.01 miles per second, but this required a roomful of equipment and temperatures near absolute zero.
source

seems pretty interesting , not sure if a repost though.
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post #2 of 22
So, anyone care to explain to me why it is necesssary to Slow light down?
I thought the inherent speed of light.. was its benefit as concerning its use for computing.
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post #3 of 22
Quote:
Originally Posted by Trigunflame View Post
So, anyone care to explain to me why it is necesssary to Slow light down?
I thought the inherent speed of light.. was its benefit as concerning its use for computing.
I believe it's possible to store info in light. Not sure though...
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post #4 of 22
Quote:
Originally Posted by Trigunflame View Post
So, anyone care to explain to me why it is necesssary to Slow light down?
I thought the inherent speed of light.. was its benefit as concerning its use for computing.
Because its possible to transmit data through light, except we can't decode it fast enough, so first we must slow light down to a point we can 'read' it.
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post #5 of 22
Quote:
Originally Posted by .:hybrid:. View Post
Because its possible to transmit data through light, except we can't decode it fast enough, so first we must slow light down to a point we can 'read' it.
I think it is more due to making information readable in general. We use pulses to communicate through devices, slowing down light may just be the method to use to distinguish between tasks on another level besides pulses.
post #6 of 22
Quote:
Originally Posted by Trigunflame View Post
So, anyone care to explain to me why it is necesssary to Slow light down?
I thought the inherent speed of light.. was its benefit as concerning its use for computing.
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post #7 of 22
They want to slow it down so they can artificially increase the speed of processors based on this technology over the years. True story.
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post #8 of 22
whats the difference between sending light signals and electrical signals??
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post #9 of 22
Slow down light, so we can put it into a computer and use it like a CPU as fibre optics work sorta.
post #10 of 22
Quote:
Originally Posted by iliatay View Post
whats the difference between sending light signals and electrical signals??
Light travels a lot faster than an electric current for one, but in this case i believe they're trying something with qubits instead of bits, and that is far too complicated for me
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