University of Hertfordshire

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A new waveguide switch/modulator for integrated optics

Research output: Contribution to journalArticle

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Original languageEnglish
Number of pages3
Pages (from-to)562-564
JournalApplied Physics Letters
Journal publication date1975
Publication statusPublished - 1975


A waveguide optical switch and/or modulator device is described that uses a single-mode waveguide version of the Mach-Zehnder interferometer. A mode selective branching waveguide is used for switching, and modulation can be accomplished without external polarizers in single-mode waveguides. The operation of a 1×2 switch fabricated by diffusion techniques in ZnSe is described.

ID: 1995580