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Germanium-on-Glass waveguides for Mid-IR photonics

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Abstract

The work presents Ge-on-CaF2 based waveguides for Mid-IR photonics. Detailed analysis of wire, ridge and slot waveguide for absorption sensing of CO2 is presented. Slot waveguide exhibits high-sensitivity with evanescent field fraction greater than 40%.

© 2016 Optical Society of America

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