Third-harmonic generation in slow-light chalcogenide glass photonic crystal waveguides
Abstract
We demonstrate third-harmonic generation (THG) in a dispersion-engineered slow-light photonic crystal waveguide fabricated in AMTIR-1 chalcogenide glass. Owing to the relatively low loss and low dispersion in the slow-light (c/30) regime, combined with the high nonlinear figure of merit of the material (similar to 2), we obtain a relatively large conversion efficiency (1.4 x 10(-8)/W-2), which is 30x higher than in comparable silicon waveguides, and observe a uniform visible light pattern along the waveguide. These results widen the number of applications underpinned by THG in slow-light platforms, such as the direct observation of the spatial evolution of the propagating mode. (C) 2011 Optical Society of America
Citation
Monat , C , Spurny , M , Grillet , C , O'Faolain , L , Krauss , T F , Eggleton , B J , Bulla , D , Madden , S & Luther-Davies , B 2011 , ' Third-harmonic generation in slow-light chalcogenide glass photonic crystal waveguides ' , Optics Letters , vol. 36 , no. 15 , pp. 2818-2820 . https://doi.org/10.1364/OL.36.002818
Publication
Optics Letters
Status
Peer reviewed
ISSN
0146-9592Type
Journal article
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