Incoherent multifunction parallel optical digital computing device in double self-pumped phase conjugators

Hsiao-Yi Lee; Hon-Fai Yau; Nai-Jen Cheng

doi:10.1117/12.326855

9 October 1998 Incoherent multifunction parallel optical digital computing device in double self-pumped phase conjugators

Hsiao-Yi Lee, Hon-Fai Yau, Nai-Jen Cheng

Author Affiliations +

Proceedings Volume 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV; (1998) https://doi.org/10.1117/12.326855
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A multi-function optical computing system performing the NOR and NAND operations with two photorefractive BaTiO₃ crystals is proposed. Instead of using the interference between the input signals and local incoherent erasing, we use incoherent erasing techniques in the construction of this system. The multi-function system works with different polarization states of the input optical waves. The system works with different polarization states of the input optical waves. The system is able to accept temporally incoherent and spatially incoherent signals. Optical experimental result with spatially incoherent optical images demonstrating the incoherent parallel processing capabilities and the multi-function logic operations of the system are shown.

Citation Download Citation

Hsiao-Yi Lee, Hon-Fai Yau, and Nai-Jen Cheng "Incoherent multifunction parallel optical digital computing device in double self-pumped phase conjugators", Proc. SPIE 3470, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications IV, (9 October 1998); https://doi.org/10.1117/12.326855

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