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NVIDIA is Preparing Co-Packaged Photonics for NVLink

Uhm, I don't want to be the party crasher, but both light and RF radiation are the same thing, just different wavelenghts and different propagation media. They both obey the same laws of physics.
Simply, optics provide better spectrum efficiency.

Well i don't want to be the party crasher in my turn but i really don't see how Radio Frequecny radiation is related to my comment ( or this discussion ) since nobody mentioned it .....

Yes radio frequency obeys to the same laws of physics with light considering both are parts of electromagnetic radiation spectrum but nope they are not the same thing given precisely their different wavelengths ( which indicate their energy ) make them have totally different properties . For example Radio wavelenght is very high which in returns makes it's frequency ( read energy ) very low ( as compared to the rest of the electromagnetic spectrum https://www.justscience.in/wp-content/uploads/2017/05/electromagneticspectrum.jpg ) so this means it will be more easily absorbed by a given body compared to a signal with much higher frequency ( read energy ) which will traverse the same body . Anyways again this is off topic since nobody mentioned RF !

The topic was to know if fiber optic can be considered as wireless which of course the answer is no , even though as i already mentioned wireless transmition of high volume of information through powerfull light signal ( read very short wavelenghts on the electromagnetic spectrum ) exist but only for very particular applications that are far from making it in our living rooms .
 
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You're right, of course, but nobody was actually partying very hard on this unexciting news. I may be the first using copper/optic wire, but only as analogy, and that because whole (PR) was lacking usable and factual data...
 
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