http://www.scientificamerican.com/article/optical-circuits-single-photon-flips-transistor-switch/ http://www.scientificamerican.com/article/optical-circuits-s..

http://www.scientificamerican.com/article/optical-circuits-single-photon-flips-transistor-switch/ http://www.scientificamerican.com/article/optical-circuits-s... There has been some (very early) work done with photon transistors. One of its cool applications will be fibre-optic hardware, to achieve much lower processing latency, hence faster data transit.