We always hear that future computers will use optical technology. But what will that look like for a general-purpose computer? German researchers explain it in a recent scientific paper. Although the DOC-II used optical processing, it did use some conventional electronics. The question is, how can you construct a general computer that uses only optical technology?
This is a companion discussion topic for the original entry at https://hackaday.com/2024/03/12/an-optical-computer-architecture/