A system is described for providing selectable delay. A first converter converts a first electromagnetic signal into an optical signal. An optical switch is coupled to the first converter to provide selectable delay by selection of paths by a plurality of movable microelectromechanical system (MEMS)...http://www.google.de/patents/US7146069?utm_source=gb-gplus-sharePatent US7146069 - Optical system for selectable delay
