Optically reconfigurable processors

Jose Mumbru; Gan Zhou; Suat U. Ay; Xin An; George Panotopoulos; Fai H. Mok; Demetri Psaltis

doi:10.1117/12.365910

2 June 1999 Optically reconfigurable processors

Jose Mumbru, Gan Zhou, Suat U. Ay, Xin An, George Panotopoulos, Fai H. Mok, Demetri Psaltis

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Proceedings Volume 10296, 1999 Euro-American Workshop Optoelectronic Information Processing: A Critical Review; 102960D (1999) https://doi.org/10.1117/12.365910
Event: Euro-American Workshop on Optoelectronic Information Processing, 1999, Colmar, France

Abstract

Reconfigurable processors bring a new computational paradigm where the processor modifies its structure to suit a given application, rather than having to modify the application to fit the device. The Optically Programmable Gate Array, an enhanced version of a conventional FPGA, utilizes a holographic memory accessed by an array of VCSELs to program its logic. Combining spatial and shift multipexing to store the configuration pages in the memory, the OPGA module is very compact and has extremely short configuration time allowing for dynamic reconfiguration. The reconfiguration capability of the OPGA can be applied to solve more efficiently problems in pattern recognition and digit classification.

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Jose Mumbru, Gan Zhou, Suat U. Ay, Xin An, George Panotopoulos, Fai H. Mok, and Demetri Psaltis "Optically reconfigurable processors", Proc. SPIE 10296, 1999 Euro-American Workshop Optoelectronic Information Processing: A Critical Review, 102960D (2 June 1999); https://doi.org/10.1117/12.365910

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KEYWORDS

Field programmable gate arrays

Holography

Image classification

Logic

Optical arrays

Pattern recognition

Vertical cavity surface emitting lasers

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