Real-time analysis of a Bragg grating formation in an As2S3 channel waveguide

Simon Frederick; Michel Fischer; Tigran V. Galstian; Real Vallee

doi:10.1117/12.474338

17 February 2003 Real-time analysis of a Bragg gratings formation in an As₂S₃ channel waveguide

Simon Frederick, Michel Fischer, Tigran V. Galstian, Real Vallee

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.474338
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

This paper presents the real-time observation of the Bragg grating formation in As₂S₃ channel waveguides. Channel waveguides (width~10μm) are obtained by a photolithographic process applied to a thin layer (~0.6μm) of thermally evaporated As₂S₃. The photoinduced variation of the refractive index is the principal mechanism involved in the formation of the Bragg grating. We used a typical holographic setup, with an Argon ion laser as recording source, to photoinduce gratings with Bragg wavelength ranging in telecommunication window. The time evolution of the transmission spectrum during illumination is also presented and analyzed here.

Citation Download Citation

Simon Frederick, Michel Fischer, Tigran V. Galstian, and Real Vallee "Real-time analysis of a Bragg gratings formation in an As₂S₃ channel waveguide", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.474338

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