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Fast responsive nonvolatile holographic storage in LiNbO_3 triply doped with Zr, Fe, and Mn
Iron and manganese doubly doped LiNbO 3 (LN:Fe,Mn) has been suggested for nonvolatile photorefractive recording; however, its response time is still of the order of minutes. Here we present results on LiNbO 3 triply doped with zirconium, iron, and manganese (LN:Zr,Fe,Mn). The codoping with Zr eliminates undesirable intrinsic traps, which strongly enhances the charge transition speed. The response time of LN:Zr,Fe,Mn for nonvolatile holographic storage shortens to only 0.95 s (wavelength of 532doi:10.1364/ol.34.003896 pmid:20016650 fatcat:uwkpwct32jdnjbbfb5gjquzezm