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3D Photonics in the Mid-infrared: Parametric study of ultrafast laser inscribed waveguides for stellar interferometry

Abstract : We present a study on glass materials that are potentially suitable for the fabrication of low-loss waveguides in the mid-infrared, more specifically in the region 3 - 5 μm. The midinfrared is especially interesting for applications such as molecular fingerprinting and interferometry for Earth-like exoplanet hunting. We study the optical properties of different glasses and use the femtosecond laser direct-write technique to inscribe waveguides inside them. We characterized the single-mode transmission properties of the waveguides, mode confinement and induced refractive index change as well as determined the waveguide propagation losses. © OSA 2016.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01515180
Contributor : Laurent Jonchère <>
Submitted on : Thursday, April 27, 2017 - 9:46:49 AM
Last modification on : Thursday, March 5, 2020 - 2:01:52 PM

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A. Arriola, S. Gross, M. Ams, T. Gretzinger, David Le Coq, et al.. 3D Photonics in the Mid-infrared: Parametric study of ultrafast laser inscribed waveguides for stellar interferometry. Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, BGPP 2016, Sep 2016, Sydney, Australia. paper BT3B.5, ⟨10.1364/BGPP.2016.BT3B.5⟩. ⟨hal-01515180⟩

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