All-optical compare-and-exchange switches.

Lei Zhang, Ruxiang Jin, C. W. Stirk, Galina Khitrova, R. A. Athale, Hyatt M. Gibbs, H. M. Chou, Robert W. Sprague, H. Angus Macleod

Research output: Contribution to journalArticle

6 Scopus citations


All-optical compare and exchange is experimentally demonstrated using ZnS bistable optical devices. The demonstration utilizes polarization multiplexing and filtering as well as latching and bidirectional logic. The combination of 2-D arrays of compare-and-exchange modules with optical perfect-shuffle interconnections leads to pipelined optical sorting networks that can process large numbers of high-bandwidth signals in parallel. Networks with these characteristics are applicable in telecommunication switches, parallel processor interconnections, and database machines.

Original languageEnglish (US)
Pages (from-to)1273-1279
Number of pages7
JournalIEEE Journal on Selected Areas in Communications
Issue number7
Publication statusPublished - Aug 1988
Externally publishedYes


ASJC Scopus subject areas

  • Computer Networks and Communications
  • Electrical and Electronic Engineering

Cite this

Zhang, L., Jin, R., Stirk, C. W., Khitrova, G., Athale, R. A., Gibbs, H. M., ... Macleod, H. A. (1988). All-optical compare-and-exchange switches. IEEE Journal on Selected Areas in Communications, 6(7), 1273-1279.