Study of dual-wavelength readout properties in volume holographic storage system

Kexin Chen; Shoujun Luo; Liangcai Cao; Qingsheng He; Guofan Jin

doi:10.1117/12.668422

20 January 2006 Study of dual-wavelength readout properties in volume holographic storage system

Kexin Chen, Shoujun Luo, Liangcai Cao, Qingsheng He, Guofan Jin

Proceedings Volume 6027, ICO20: Optical Information Processing; 60274N (2006) https://doi.org/10.1117/12.668422
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Dual-wavelength method is a research focus in nonvolatile holographic storage. However, both theoretical analysis and experimental demonstration that nonlinear enlargement is inevitable during dual-wavelength readout. By analyzing the speciality of nonlinear enlarge factor, a method of choosing the suitable retrieving angle is proposed, which can prove the uniform enlarge factor and a least efficiency of 44% at a thin thickness such as 10 um to that of Bragg match. In this paper, At last, a novel scheme which achieves simultaneous dual-wavelength readout of two polarization multiplexed holograms is proposed and demonstrated by the experiment.

Citation Download Citation

Kexin Chen, Shoujun Luo, Liangcai Cao, Qingsheng He, and Guofan Jin "Study of dual-wavelength readout properties in volume holographic storage system", Proc. SPIE 6027, ICO20: Optical Information Processing, 60274N (20 January 2006); https://doi.org/10.1117/12.668422

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