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duskwuff 8 hours ago [-]
It's funny to see this show up now. Optical-domain switching was a hot area of research in the early 2000s (e.g. [1]); it largely petered out as it became clear that digital-domain switching was more practical (because it didn't rely on exotic technology, and provided time for hardware to perform routing operations).
I'm not sure I fully understand how one can convert different twist directions into an clear output. Does CCW vs CW change where the end of the affected beam will end?
tarikjn 5 hours ago [-]
My first guess is that the change on the electronic band allows downstream electrical switching of a prism/mirror or other photonic device. So you have a special light signal controlling an electric signal to switch the “regular” light signal. Not sure about the applications for the strong EM field though.
mensetmanusman 4 hours ago [-]
Have any 2D thin film materials been commercialized yet?
[1]: https://www.laserfocusworld.com/optics/article/16556781/many...
Optical computation can also be digital or analog.
In this case, the control signal appears to be digital while the switched signal can be anything.
https://cloud.google.com/blog/topics/systems/the-evolution-o...