A fast and secure phase-multiplexing technique based on random speckles modulation in multimode ferroelectric single crystal fiber for volume holographic storage

Hongbo Liu; John Y. Fu; Man Gu; Amar S. Bhalla; Ruyan Guo

doi:10.1117/12.680937

24 August 2006 A fast and secure phase-multiplexing technique based on random speckles modulation in multimode ferroelectric single crystal fiber for volume holographic storage

Hongbo Liu, John Y. Fu, Man Gu, Amar S. Bhalla, Ruyan Guo

Author Affiliations +

Proceedings Volume 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII; 63141L (2006) https://doi.org/10.1117/12.680937
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In this paper, a new speckle based hologram multiplexing recording technique is proposed and tested. In this method, a multi-mode LiNbO₃ single crystal fiber is employed to generate speckle patterns which are used as reference beams in hologram recording process. The speckle pattern generation can be precisely controlled by external E-field. Theoretically, this technique can generate thousands of decorrelated reference beams at given practical constraints. Its storage capacity can be scaled up as material properties are improved, making it well adapted to new material development. A theoretical analysis and numerical simulation of speckle pattern generation are also presented in this paper.

Citation Download Citation

Hongbo Liu, John Y. Fu, Man Gu, Amar S. Bhalla, and Ruyan Guo "A fast and secure phase-multiplexing technique based on random speckles modulation in multimode ferroelectric single crystal fiber for volume holographic storage", Proc. SPIE 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII, 63141L (24 August 2006); https://doi.org/10.1117/12.680937

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