title: Interferometric phase-only optical encryption system that uses a reference wave.
abstract: An improved image decryption system is proposed that is based on phase-encoded images and the principle of interference and uses a reference wave. A novel technique for generating intensity patterns from the decrypted phase information consists simply of interfering a reference wave with the wave passing through the encrypted image and a phase-only decrypting key. Optical experiments have confirmed the proposed technique as a simple and robust architecture for optical encryption.
authors.affiliation: School of Electrical Engineering & Computer Science, Kyungpook National University, 1370 Sangyuk-Dong, Buk-Gu, Daegu, 702-701, South Korea. dhseo@palgong.knu.ac.kr
authors.forename: Dong-Hoan
authors.initials: DH
authors.lastname: Seo
authors.forename: Soo-Joong
authors.initials: SJ
authors.lastname: Kim