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Broadband Supercontinuum Generation in Mid-Infrared Range (0.8 µm – 4.5 µm) Using Low Power Dispersion-Engineered CMOS Compatible Silicon-Rich Nitride (SRN) Waveguide

Karim, M. R., Al Kayed, N. and Rahman, B. M. ORCID: 0000-0001-6384-0961 (2020). Broadband Supercontinuum Generation in Mid-Infrared Range (0.8 µm – 4.5 µm) Using Low Power Dispersion-Engineered CMOS Compatible Silicon-Rich Nitride (SRN) Waveguide. 2020 IEEE Region 10 Symposium (TENSYMP), 2020, pp. 246-249. doi: 10.1109/TENSYMP50017.2020.9230715

Abstract

We numerically modeled a complementary metal-oxide-semiconductor (CMOS) compatible 5-mm-long rectangular waveguide for broadband mid-infrared (MIR) supercontinuum (SCG) generation. The waveguide is constituted using Si-Rich Nitride (SRN) as a core and LiNbO3 glass for its top and bottom claddings. The proposed waveguide structure is optimized for pumping only in the anomalous dispersion regime. Numerical analysis reveals that a wideband SCG into the MIR spanning the wavelength 0.8 μm to 4.5 μm could be generated by the proposed geometry using a very low pulse peak power of 40 W having width of 50-fs employing pump at 1.55 μm wavelength.

Publication Type: Article
Additional Information: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publisher Keywords: Silicon-rich Silicon nitride, Planar waveguide, Dispersion, Supercontinuum generation
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
Date available in CRO: 07 Jul 2021 14:05
Date deposited: 7 July 2021
Date of first online publication: 2 November 2020
URI: https://openaccess.city.ac.uk/id/eprint/26391
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