We propose optical waveguide structures for on-chip spectroscopy of gases and liquids that have a lower refractive index than the waveguide materials. Simulations based on transverse antiresonant waveguide structures are presented.
© 2003 Optical Society of America
H. Schmidt, Y. Dongliang, and A. R. Hawkins, "Integrated optical spectroscopy of low-index gases and liquids using ARROW waveguides," in Integrated Photonics Research, A. Sawchuk, ed., Vol. 91 of OSA Trends in Optics and Photonics (Optical Society of America, 2003), paper ITuC2.
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