“1 pixel should be enough for everyone”

Most zoom calls are fine with 0 thank you very much

It could! https://opg.optica.org/oe/fulltext.cfm?uri=oe-28-19-28190&id...

Mmm...but scaling up is not the same in photonics as it is in digital. Everyone thinks of scaling in terms of digital, like Alan Turing, von Neumann, and later Moore talked about, if you have an amplifier you can amplify it with another amplifier, so as long as it's totally digital the signals can be manipulated at arbitrarily small scales. Not true for analog or photons or quantum, there's weird caveats and they're not well researched, this scaling works only for digital.

Sure, our existing understanding and models for scale may not directly apply.

That doesn’t limit the creation of new models and new understanding. Just because scaling might be different doesn’t mean it’s impossible.

Our existing models did not exist at some point in the past.

You can make digital optical logic gates - https://www.youtube.com/watch?v=pS1zAAD1nXI