Optically programmable gate array

Jose Mumbru; George Panotopoulos; Demetri Psaltis; Xin An; Fai H. Mok; Suat U. Ay; Sandor L. Barna; Eric R. Fossum

doi:10.1117/12.386900

24 May 2000 Optically programmable gate array

Jose Mumbru, George Panotopoulos, Demetri Psaltis, Xin An, Fai H. Mok, Suat U. Ay, Sandor L. Barna, Eric R. Fossum

Proceedings Volume 4089, Optics in Computing 2000; (2000) https://doi.org/10.1117/12.386900
Event: 2000 International Topical Meeting on Optics in Computing (OC2000), 2000, Quebec City, Canada

Abstract

The Optically Programmable Gate Array (OPGA), an optical version of a conventional FPGA, benefits from a direct parallel interface between an optical memory and a logic circuit. The OPGA utilizes a holographic memory accessed by an array of VCSELs to program its logic. An active pixel sensor array incorporated into the OPGA chip makes it possible to optically address the logic in a very short time allowing for rapid dynamic reconfiguration. Combining spatial and shift multiplexing to store the configuration pages in the memory, the OPGA module can be made compact. The reconfiguration capability of the OPGA can be applied to solve more efficiently problems in pattern recognition and database search.

Citation Download Citation

Jose Mumbru, George Panotopoulos, Demetri Psaltis, Xin An, Fai H. Mok, Suat U. Ay, Sandor L. Barna, and Eric R. Fossum "Optically programmable gate array", Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000); https://doi.org/10.1117/12.386900

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