Single-mode mid-infrared waveguides for spectro-interferometry applications

Guillermo Martin; Lucas Labadie; Olga Caballero-Calero; Romain Grille; Brahim Arezki; Pierre Kern; Norman C. Anheier; Hong A. Qiao; Bruce Bernacki; Tomer Lewi; Abraham Katzir; Javier Rodriguez Vazquez de Aldana

doi:10.1117/12.856392

21 July 2010 Single-mode mid-infrared waveguides for spectro-interferometry applications

Guillermo Martin, Lucas Labadie, Olga Caballero-Calero, Romain Grille, Brahim Arezki, Pierre Kern, Norman C. Anheier, Hong A. Qiao, Bruce Bernacki, Tomer Lewi, Abraham Katzir, Javier Rodriguez Vazquez de Aldana

Author Affiliations +

Proceedings Volume 7734, Optical and Infrared Interferometry II; 77343R (2010) https://doi.org/10.1117/12.856392
Event: SPIE Astronomical Telescopes + Instrumentation, 2010, San Diego, California, United States

Abstract

In the astrophysical context of the search for Earth-like extrasolar planets, an important research effort has been done for the realization of single-mode integrated optics devices for mid-infrared space-based interferometry. Preparatory projects like FKSI [3], where rejection of high order modes is required to a level better than 40dB, will need photonic devices that achieve modal filtering and beam combination in the mid-IR band. In this context, we present results on midinfrared planar integrated optic beam combiners characterized at LAOG using chalcogenide and silver halide materials. We show results on FTS measurements, allowing to determine the single mode spectral domain, as well as interference fringes obtained from Y-junctions realized on these materials.

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Guillermo Martin, Lucas Labadie, Olga Caballero-Calero, Romain Grille, Brahim Arezki, Pierre Kern, Norman C. Anheier, Hong A. Qiao, Bruce Bernacki, Tomer Lewi, Abraham Katzir, and Javier Rodriguez Vazquez de Aldana "Single-mode mid-infrared waveguides for spectro-interferometry applications", Proc. SPIE 7734, Optical and Infrared Interferometry II, 77343R (21 July 2010); https://doi.org/10.1117/12.856392

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