Holographic associative memory using a coherently induced double phase conjugate mirror

Xiudong Sun; Zhongxiang Zhou; Yan Li; Yongyuan Jiang; Kebin Xu; Jingwen Zhang

doi:10.1117/1.600796

1 August 1996 Holographic associative memory using a coherently induced double phase conjugate mirror

Xiudong Sun, Zhongxiang Zhou, Yan Li, Yongyuan Jiang, Kebin Xu, Jingwen Zhang

Optical Engineering, Vol. 35, Issue 8, (August 1996). https://doi.org/10.1117/1.600796

We demonstrate a new method to implement holographic associative memory based on a coherently induced double phase conjugate mirror that has phase-conjugate reflectivity larger than unity for weak reference signal over a large range of pumping-reference intensity ratio. The phase conjugator, operated with a copper-doped KNSBN crystal, serves as a novel nonlinear feedback and gain element for the associative memory system. A vanadium-doped KNSBN crystal as storage medium improves the response speed of the holographic recording process. A stored image has been completely retrieved when a partial input addresses the associative memory system.

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Xiudong Sun, Zhongxiang Zhou, Yan Li, Yongyuan Jiang, Kebin Xu, and Jingwen Zhang "Holographic associative memory using a coherently induced double phase conjugate mirror," Optical Engineering 35(8), (1 August 1996). https://doi.org/10.1117/1.600796

Published: 1 August 1996

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