https://en.wikipedia.org/wiki/Optical_computing https://en.wikipedia.org/wiki/Optical_computing > To replace electronic components with optical ones, an equiva

https://en.wikipedia.org/wiki/Optical_computing https://en.wikipedia.org/wiki/Optical_computing > To replace electronic components with optical ones, an equivalent optical transistor is required. This is achieved using materials with a non-linear refractive index.