Title :
Noise reduction strategy in high-speed replication of holographic memories using photorefractive amplification
Author :
Takahashi, Nobuhiro ; Okamoto, Atsushi ; Sano, Takayuki ; Ito, Terumasa
Author_Institution :
Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo
Abstract :
We propose a high-speed replication system using photorefractive amplification for holographic memories. Also, we show a noise reduction strategy that enables to ensure a high signal-to-noise ratio of replicated holograms by using a transient gain of photorefractive amplification.
Keywords :
holographic storage; optical noise; photorefractive effect; high-speed replication; holographic memories; noise reduction strategy; photorefractive amplification; transient gain; Coaxial components; Diffraction; Holography; Laser excitation; Noise reduction; Optical noise; Photorefractive effect; Photorefractive materials; Signal to noise ratio; Spatial filters;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391392