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Free-Space Optical Communication Link Using Spatial Optical Encryption, Syed H. Murshid, William B. Howard, Abhijit Chakravarty
Free-Space Optical Communication Link Using Spatial Optical Encryption, Syed H. Murshid, William B. Howard, Abhijit Chakravarty
Electrical Engineering and Computer Science Faculty Publications
Free-space optical links are ideal for short-range (1 km to 3 km) communications. An innovative new technique called Spatial Optical Encryption can be used to secure laser data communications. With this technique, data can be encoded and transmitted spatially through a single fiber, and then transmitted over a free-space optical link. Different sources of data could be simultaneously sent over the same fiber. This endeavor demonstrates the design and performance issues of such a transmitter and receiver using Spatial Optical Encryption over an environmental link of 100 meters.