Achromatic prism-coupler for planar waveguide

Sergio B. Mendes, Lifeng Li, James Burke, S. Scott Saavedra

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

We derive the required optical properties of a prism for coupling light achromatically into a planar waveguide. Efficient coupling over a 110 nm spectral bandwidth was experimentally demonstrated with a prism-coupler designed to match the dispersion of a particular waveguide. The design tools described here should be useful in the implementation of broadband attenuated total reflection spectroscopy in the waveguide regime to probe ultrathin and very weakly absorbing molecular submonolayers.

Original languageEnglish (US)
Pages (from-to)320-326
Number of pages7
JournalOptics Communications
Volume136
Issue number3-4
DOIs
StatePublished - Mar 15 1997

Keywords

  • Achromatic coupler
  • Integrated optics
  • Prism-coupler
  • Surface spectroscopy
  • Waveguide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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