Optical signals are passed in an optical medium using an approach that facilitates the mitigation of interference. According to an example embodiment, a filtering-type approach is used with an optical signal conveyed in an optical fiber, such as a multimode fiber (MMF) or a multimode waveguide. Adaptive...http://www.google.es/patents/US7844144?utm_source=gb-gplus-sharePatente US7844144 - Adaptive optical signal processing with multimode waveguides
Adaptive optical signal processing with multimode waveguides
