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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 45, Iss. 27 — Sep. 20, 2006
  • pp: 7035–7042

Selective erasure of speckle-multiplexed holograms by use of a double Mach–Zehnder interferometric arrangement

Masatoshi Bunsen, Hirosuke Furuta, and Atsushi Okamoto  »View Author Affiliations


Applied Optics, Vol. 45, Issue 27, pp. 7035-7042 (2006)
http://dx.doi.org/10.1364/AO.45.007035


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Abstract

A novel method to selectively erase and update speckle-multiplexed holograms in photorefractive crystals by use of a double Mach-Zehnder (DMZ) interferometric arrangement is presented. The DMZ arrangement automatically produces a pair of π-phase-shifted interference patterns used for holographic recording, erasure, and update operations with a fairly simple optical configuration that consists of a commonly used dielectric multilayer beam splitter and two mirrors. The recording and the erasure conditions required for erasing a photorefractive hologram quickly and completely are discussed by calculating the temporal property of the hologram buildup and decay using the time-dependent coupled-wave equations. An experiment is also performed, in which arbitrary holograms in speckle-multiplexed holograms are selectively erased and updated with the simple DMZ optical configuration.

© 2006 Optical Society of America

OCIS Codes
(090.4220) Holography : Multiplex holography
(090.7330) Holography : Volume gratings
(190.5330) Nonlinear optics : Photorefractive optics
(210.2860) Optical data storage : Holographic and volume memories

History
Original Manuscript: March 6, 2006
Revised Manuscript: June 4, 2006
Manuscript Accepted: June 12, 2006

Citation
Masatoshi Bunsen, Hirosuke Furuta, and Atsushi Okamoto, "Selective erasure of speckle-multiplexed holograms by use of a double Mach-Zehnder interferometric arrangement," Appl. Opt. 45, 7035-7042 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-27-7035

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