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Two-octave dispersion flattening with five zero-dispersion wavelengths in the deep mid-IR
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Paper Abstract

Group-velocity dispersion (GVD) engineering is vital to many nonlinear optical phenomena and has been widely used for nonlinear optics. Aiming at different applications, one need to control and engineer the sign, value, slope of dispersion and the number of zero-dispersion wavelengths (ZDWs). In this work, we demonstrate generation of 5 ZDWs in a new type of bilayer waveguides. Outer layer of this waveguide can be formed by depositing without etching. Material combinations are Ge23Sb7S70 (n≈2.2) and Ge28Sb12Se60 (n≈2.6). In this waveguide, an extremely wideband-low and flat dispersion can be obtained from 2.6 to 15.5 μm (2.6 octaves).

Paper Details

Date Published: 21 February 2018
PDF: 6 pages
Proc. SPIE 10541, Photonic and Phononic Properties of Engineered Nanostructures VIII, 105412E (21 February 2018); doi: 10.1117/12.2291331
Show Author Affiliations
Yuhao Guo, Tianjin Univ. (China)
Lijuan Xu, Tianjin Univ. (China)
Tianjin Univ. of Technology and Education (China)
Zeinab Jafari, Tianjin Univ. (China)
Shiraz Univ. (Iran, Islamic Republic of)
Anu M. Agarwal, Massachusetts Institute of Technology (United States)
Lionel C. Kimerling, Massachusetts Institute of Technology (United States)
Guifang Li, Tianjin Univ. (China)
CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Jurgen Michel, Massachusetts Institute of Technology (United States)
Lin Zhang, Tianjin Univ. (China)


Published in SPIE Proceedings Vol. 10541:
Photonic and Phononic Properties of Engineered Nanostructures VIII
Ali Adibi; Shawn-Yu Lin; Axel Scherer, Editor(s)

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