Comparison apparatus with freespace optical interconnections bet

Optical: systems and elements – Deflection using a moving element – Using a periodically moving element

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359107, 359109, 359117, 359139, 385 14, 364713, H04J 1408, H04B 1000, G02F 100

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active

052913244

ABSTRACT:
An exemplary packet processing apparatus where a large number of comparisons can be made concurrently in bit-parallel fashion by partitioning the comparison functionality to two optoelectronic integrated circuits, and interconnecting the two circuits using free space optics. Illustratively, different embodiments are used to perform one-to-many or many-to-one comparisons by developing multiple copies of one value for concurrent comparison with many possible values. The invention is more generally applicable to other comparison applications where one-to-many or many-to-one comparisons are made.

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T. K. Woodward et al., "Operation of a Fully Integrated GaAs-Al.sub.x Ga.sub.l-x As FET-Seed: A Basic Optically Addressed Integrated Circuit", IEEE Photonics Technology Letters, vol. 4, No. 6, Jun. 1992, pp. 614-617.
Texas Intrument data sheet, dated 1982.

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