Self-enhanced nonvolatile holographic storage in LiNbO[sub 3]:Fe:Mn crystals

Liu, De'an; De'an Liu; Liu, Liren; Liren Liu; Liu, Youwen; Youwen Liu; Zhou, Changhe; Changhe Zhou; Xu, Liangying; Liangying Xu
November 2000
Applied Physics Letters;11/6/2000, Vol. 77 Issue 19
Academic Journal
The self-enhancement and self-depletion phenomena originated from the beam-coupling effect are observed during both the recording and fixing phases in LiNbO[sub 3]:Fe:Mn nonvolatile holographic storage experiments. A numerical simulation and a steady-state analysis are developed to provide a mathematical evaluation to the phenomena. From the experimental and theoretical studies, it is seen that the highest diffraction efficiency available from the self-enhancement may be twice as large as the lowest one from the self-depletion, both during the recording and fixing phases. Therefore, the use of the self-enhancement is necessary for the practical applications. © 2000 American Institute of Physics.


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