Abstract

High contrast (Δn ≈ 1) GeTe4 channel waveguides were fabricated on ZnSe substrates by lift-off and RF-sputtering techniques. Waveguiding at 3.7μm was demonstrated using an Optical Parametric Oscillator (OPO), for evanescent-field based biosensing applications.

© 2014 Optical Society of America

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