After some digging, I found a paper that might interest you:
Unfortunately, I couldn't find a publicly available paper with this exact title. However, I found a research paper from the IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, which discusses a related topic: Opticut 5.25
This paper presents a design for a high-speed floppy disk controller, which might be similar to the Opticut 5.25. Here's a brief summary: After some digging, I found a paper that