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20 March 2019 Inscription of single mode waveguides for the mid-IR
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Abstract
Lately, there has been a strong incentive for the development of photonics devices which operate farther in the infrared wavelength range. In this communication, we present a study of the photosensitivity to femtosecond pulses of Mid- Infrared transmitting materials, which are promising candidates to be used as substrates for photo-induced devices, namely, Germanium-Sulfide glass (Ge-S), Barium Gallo-Germanate glass (BGG), and sapphire. We report the formation of single mode waveguides operating at a wavelength of 2.85 μm, in all three materials. In addition, the inscription of a low-loss depressed clad waveguide in sapphire is demonstrated.
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© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jean-Philippe Bérubé, Arthur Le Camus, Jerome Lapointe, Sandra H. Messaddeq, Igor Skripachev, Younès Messaddeq, Yannick Petit, Lionel Canioni, and Réal Vallée "Inscription of single mode waveguides for the mid-IR", Proc. SPIE 10908, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIX, 109080S (20 March 2019); https://doi.org/10.1117/12.2508153
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