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Demonstration and characterization of ultrafast laser-inscribed mid-infrared waveguides in chalcogenide glass IG 2
| Content Provider | Semantic Scholar |
|---|---|
| Author | Helen Butcher David Maclachlan Lee, Dong Hoon Róbert Thomson Weidmann, Damien |
| Copyright Year | 2018 |
| Abstract | The first demonstration and characterization of ultrafast laser-inscribed midinfrared (mid-IR) waveguides in Ge33As12Se55 chalcogenide glass (IG2) is presented. From mode profile and throughput measurements, combined with modelling, the characteristics of the waveguides inscribed in IG2 are studied at 7.8 μm, and compared to those of waveguides inscribed in gallium lanthanum sulfide for reference. Two methods to estimate the local variation of refractive index induced by the inscription process are presented, which indicate a variation of ~0.010 to 0.015 across the inscription parameters investigated. This variation, together with a higher robustness of the material to inscription and large transparency covering the entire mid-IR spectral domain, suggest that IG2 has great potential for integrated optical applications in the mid-IR developed through the ultrafast laser inscription method. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI OCIS codes: (130.3060) Infrared; (130.3130) Integrated optics materials; (140.5965) Semiconductor lasers, quantum cascade; (220.4610) Optical fabrication; (230.7370) Waveguides. References and links 1. T. Schädle and B. Mizaikoff, “Mid-infrared waveguides: A perspective,” Appl. Spectrosc. 70(10), 1625–1638 (2016). 2. I. S. Glass, Handbook of Infrared Astronomy (Cambridge University, 1999). 3. H.-K. Hsiao, K. A. Winick, J. D. Monnier, and J.-P. Berger, “An infrared integrated optic astronomical beam combiner for stellar interferometry at 3-4 μm,” Opt. Express 17(21), 18489–18500 (2009). 4. A. Arriola, S. Mukherjee, D. Choudhury, L. Labadie, and R. R. Thomson, “Ultrafast laser inscription of mid-IR directional couplers for stellar interferometry,” Opt. 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| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://damien.weidmann.free.fr/peer_reviewed/2018_OE_IG2_waveguides.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
