Chinese scientists find way to mass-produce optical chips US cannot sanction (www.scmp.com)
from yogthos@lemmy.ml to technology@lemmy.ml on 07 Jun 19:04
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onlinepersona@programming.dev on 10 Jun 05:22 collapse

How can these be compared to existing chips? Photonic, yes, but how fast can they switch and make calculations? What does a photonic transistor even look like / work?

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yogthos@lemmy.ml on 10 Jun 11:47 collapse

here’s an article, basically they’re orders of magnitude faster and more energy efficient, photonic chips have the potential to make silicon look like vacuum tubes singularityhub.com/…/researchers-created-an-optic…

onlinepersona@programming.dev on 10 Jun 12:30 collapse

Thanks for the article. I think the operating word here is “can”. They can be much faster than existing transistors. The article seems to indicate it isn’t there yet, so by extension this recent development might not be.

But there is hope!

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yogthos@lemmy.ml on 10 Jun 13:00 collapse

Right, the first generations likely won’t have a huge advantage over silicon, but it’s the growth potential that’s key. We’re basically hitting the limits of what you can do on the current substrate. There’s really nowhere left to go past 1nm chips.