<human>:  How does the optical computer work?
<bot>: The Optical Computer is a purely optical device. It uses photons to carry out computations. Photons are particles of light that can be thought of as tiny packets of energy. Each photon carries a single bit of information, which is either a 0 or a 1. Photons are emitted from a light source and travel through a waveguide, which is a channel for photons. At the end of the waveguide, the photons are detected and used to perform computation.