We describe the effort to design and construct a high-speed
low-energy digital optical processor that is currently in progress at Opti-
Comp Corporation. The reasons for believing that it is possible to build
optical processors that have lower switch energies than are possible with
electronic processors are discussed. Two systems, a second-generation
digital optical computer (DOC II) and a high-performance optoelectronic
computer (HPOC), which are under development at OptiComp, are described.
Both systems are based on high optical fan-out emitters and
high optical fan-in detectors. Finally, potential practical applications for
the high-performance optoelectronic computer are discussed.