FIELD: nanotechnologies.
SUBSTANCE: invention relates to computation equipment. The novelty of this invention consists in that it forms, in response to two input optical signals 1a and 1b, an output optical signal Ia>Ib or Ia<Ib. The proposed optical comparator comprises an optical Y-splitter, two input optical nanofibers, two telescopic nanotubes, two output optical nanofibers and optical signal source.
EFFECT: fast operation, maximum possible for optical switching circuits.
1 dwg
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