The present invention comprises systems and methods for stimulating target tissue comprising a light source; an implantable light conducting lead coupled to said light source; and an implantable light-emitter. The light source, lead and emitter are used to provide a light stimulation to a target tissue...http://www.google.com/patents/US20060155348?utm_source=gb-gplus-sharePatent US20060155348 - Applications of the stimulation of neural tissue using light
