Are there optical specific alternatives to microchips and circuit boards?

I'm working on a Dieselpunkish Science-Fantasy setting and I am trying to find an alternative to conventional electrical systems used in computers.

Computer and telecommunication systems in the setting are optically based, technology developed along this route do to the radiation from the omnipresent Dwimer Field, quickly burning out any electrical device more sensitive than a vacuum tube;access to the material that made a device analogous to the Photophone viable at the time of its invention also helped.

I could either make up my own terminology or just take a shortcut by saying "optical chips and circuitry", I would preferably do neither.

What are the possible alternatives to the circuitry currently used in electronics. I'm especially interested in alternatives that would be well suited for an optical scheme.

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Are there optical specific alternatives to microchips and circuit boards?

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