System level analysis of a smart optoelectronic database filter for relational database applications

Jianjing Tang; Fred Richard Beyette Jr.

doi:10.1117/12.451151

26 December 2001 System-level analysis of a smart optoelectronic database filter for relational database applications

Proceedings Volume 4435, Wave Optics and VLSI Photonic Devices for Information Processing; (2001) https://doi.org/10.1117/12.451151
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

A challenging task facing the designers for the next generation of archival storage system is to provide storage capacities several orders of magnitude larger than existing systems while maintaining current data access times. To meet this challenge, we have developed a smart optoelectronic database filter suitable for large capacity relational database systems that use page-oriented optical storage devices. The photonic VLSI device technology based database filter monolithically integrates optical detectors, photoreceiver circuits, data manipulation logic, and filter control circuitry onto a single CMOS chip. This paper presents the design and system level analysis of the database filter system. Simulation data suggested that a 32 X 32-bit filter fabricated in a 1.5 micrometers CMOS process could have an optical page read rate of 87 Mpages/s and support 123 Mrecords/s transfer rate to a host computer. Queuing theory is used to show that even with the limitation of finite queue capacity, a database filter chip could be controlled to work at near optimal performance where database search time is limited by the data transfer rate going into the host computer. Since only valid search data is passed through to the host computer, the introduction of a database filter can dramatically reduce database search time.

Citation Download Citation

Jianjing Tang and Fred Richard Beyette Jr. "System-level analysis of a smart optoelectronic database filter for relational database applications", Proc. SPIE 4435, Wave Optics and VLSI Photonic Devices for Information Processing, (26 December 2001); https://doi.org/10.1117/12.451151

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KEYWORDS

Databases

Optical filters

Logic

Optical storage

Clocks

Device simulation

Computing systems

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