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Optically programmable gate array

Mumbru, Jose and Panotopoulos, George and Psaltis, Demetri and An, Xin and Mok, Fai and Ay, Suat and Barna, Sandor and Fossum, Eric R. (2000) Optically programmable gate array. In: Optics in Computing 2000. Proceedings of SPIE. No.4089. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 763-771. ISBN 9780819437327.

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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.

Item Type:Book Section
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Additional Information:© 2000 Society of Photo-optical Instrumentation Engineers (SPIE). The research is funded by DARPA through Contract F30601-95-1-0199 and by the National Science Foundation Engineering Research Center grant to Caltech.
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)F30601-95-1-0199
Subject Keywords:Optical memory, Programmable logic, VCSELs, Active pixel sensor
Series Name:Proceedings of SPIE
Issue or Number:4089
Record Number:CaltechAUTHORS:20181113-152828586
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Official Citation:Jose Mumbru, George Panotopoulos, Demetri Psaltis, Xin An, Fai H. Mok, Suat U. Ay, Sandor L. Barna, Eric R. Fossum, "Optically programmable gate array," Proc. SPIE 4089, Optics in Computing 2000, (24 May 2000)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:90879
Deposited By: Tony Diaz
Deposited On:13 Nov 2018 23:49
Last Modified:16 Nov 2021 03:36

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