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    • Optical Scanning Cryptography For Secure Wireless Transmission 

      Poon, Ting-Chung; Kim, Taegeun; Doh, K. (Optical Society of America, 2003-09-01)
      We propose a method for secure wireless transmission of encrypted information. By use of an encryption key, an image or document is optically encrypted by optical heterodyne scanning and hence encryption is performed on ...