We demonstrate an optical system that encodes two-dimensional data as different polarization states. The encrypted image is recorded using a digital holographic setup and the decryption is done numerically.
© 2005 Optical Society of America
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4560) Fourier optics and signal processing : Data processing by optical means
(260.0260) Physical optics : Physical optics
(260.5430) Physical optics : Polarization
U. Gopinathan, D. S. Monaghan, T. J. Naughton, and J. T. Sheridan, "An Optical Encryption Scheme that Uses Polarization of Coherent Light," in Frontiers in Optics, OSA Technical Digest Series (Optical Society of America, 2005), paper FTuT6.
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