Optically bistable nonlinear interference filters for use with near-infrared laser diodes

G. S. Buller, C. R. Paton, S. D. Smith, A. C. Walker

Research output: Contribution to journalArticle

Abstract

ZnSe nonlinear interference filters, configured as optothermal bistable etalons with absorbed transmission (BEAT) devices, have been operated as all-optical switches using 830 nm diode laser illumination and fibre-optic coupling. Stable switching at powers down to ~3 mW have been demonstrated for spot diameters of 10 µm. An observed increase in switch power when using large numerical-aperture illumination is analysed in terms of a reduction in effective cavity finesse. © 1989.

Original languageEnglish
Pages (from-to)522-528
Number of pages7
JournalOptics Communications
Volume70
Issue number6
Publication statusPublished - 15 Apr 1989

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