Type

Journal Article

Authors

Gerald Farrell
Chongxiu Yu
Kuiru Wang
Kangping Zhong
Xian Zhou
Qiang wu
Xinzhu Sang
Binbin Yan
Yin Xu
Xianting Zhang
and 5 others

Subjects

Physics

Topics
engineering dispersion field size silicon laser sources pulse compression cm 1 refractive index infrared sources pulse propagation

Mid-Infrared Self-Similar Compression of Picosecond Pulse in an Inversely Tapered Silicon Ridge Waveguide (2017)

Abstract On chip high quality and high degree pulse compression is desirable in the realization of integrated ultrashort pulse sources, which are important for nonlinear photonics and spectroscopy. In this paper, we design a simple inversely tapered silicon ridge waveguide with exponentially decreasing dispersion profile along the propagation direction, and numerically investigate self-similar pulse compression of the fundamental soliton within the mid-infrared spectral region. When higher-order dispersion (HOD), higher-order nonlinearity (HON), losses (α), and variation of the Kerr nonlinear coefficient γ(z) are considered in the extended nonlinear Schrödinger equation, a 1 ps input pulse at the wavelength of 2490 nm is successfully compressed to 57.29 fs in only 5.1-cm of propagation, along with a compression factor Fc of 17.46. We demonstrated that the impacts of HOD and HON are minor on the pulse compression process, compared with that of α and variation of γ(z). Our research results provide a promising solution to realize integrated mid-infrared ultrashort pulse sources.
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Full list of authors on original publication

Gerald Farrell, Chongxiu Yu, Kuiru Wang, Kangping Zhong, Xian Zhou, Qiang wu, Xinzhu Sang, Binbin Yan, Yin Xu, Xianting Zhang and 5 others

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Chongxiu Yu
TU Dublin
Total Publications: 26
 
3
Kuiru Wang
TU Dublin
Total Publications: 7
 
4
Xian Zhou
TU Dublin
Total Publications: 5
 
5
Qiang wu
TU Dublin
Total Publications: 90
 
6
Xinzhu Sang
TU Dublin
Total Publications: 14
 
7
Binbin Yan
TU Dublin
Total Publications: 9
 
8
Xianting Zhang
TU Dublin
Total Publications: 5