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Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
July 12, 2011
Patent Application Number
12759481
Date Filed
April 13, 2010
Patent Primary Examiner
Patent abstract
Systems and methods for encoding information in the topology of superpositions of helical modes of light, and retrieving information from each of the superposed modes individually or in parallel. These methods can be applied to beams of light that already carry information through other channels, such as amplitude modulation or wavelength dispersive multiplexing, enabling such beams to be multiplexed and subsequently demultiplexed. The systems and methods of the present invention increase the number of data channels carried by a factor of the number of superposed helical modes.
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