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Tailoring of silicon nitride waveguide with ultra-flat and ultra-wide dispersion
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Paper Abstract

A four-layered composite silicon nitride waveguide with an asymmetric horizontal slot is proposed. The waveguide exhibits an ultra-flat and low dispersion with four zero dispersion wavelengths over an ultra-wide bandwidth. In the wavelength range from 1269 nm to 2556 nm, the dispersion varies between -3.27 and 3.29 ps/nm/km. Dispersion tailoring is studied by tuning structural parameters of the composite waveguide. Nonlinear coefficient and phasematching condition in four-wave mixing process are explored, which confirm the proposed waveguide is promising in nonlinear applications.

Paper Details

Date Published: 24 July 2018
PDF: 6 pages
Proc. SPIE 10827, Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018), 108272W (24 July 2018); doi: 10.1117/12.2500657
Show Author Affiliations
Yinglu Zhang, Huazhong Univ. of Science and Technology (China)
Jinsong Xia, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 10827:
Sixth International Conference on Optical and Photonic Engineering (icOPEN 2018)
Yingjie Yu; Chao Zuo; Kemao Qian, Editor(s)

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