High Degree Picosecond Pulse Compression in Chalcogenide-Silicon Slot Waveguide Taper

Chao Mei, Feng Li, Jinhui Yuan*, Zhe Kang, Xianting Zhang, Kuiru Wang, Xinzhu Sang, Qiang Wu, Binbin Yan, Xian Zhou, Liang Wang, Chongxiu Yu, Alex Wai

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

37 Citations (Scopus)


In this paper, we propose and design a chalcogenide (As2S3)-based slot waveguide taper with exponentially decreasing dispersion profile to realize high-degree pulse compression of low-power chirped solitons. Based on the waveguide taper designed, pulse compression of fundamental solitons, and chirped 2-soliton breather are both investigated numerically. With self-similar pulse compression scheme, a 1 ps input pulse is compressed to 81.5 fs in 6 cm propagation. By using 2-soliton breather pulses, a 1 ps chirped pulse is compressed to 80.3 fs in just 2.54 cm. This is the first demonstration of the feasibility of high-degree nonlinear pulse compression in As2S3-based slot waveguide taper.

Original languageEnglish
Pages (from-to)3843-3852
Number of pages10
JournalJournal of Lightwave Technology
Issue number16
Early online date16 Jun 2016
Publication statusPublished - Aug 2016

Scopus Subject Areas

  • Atomic and Molecular Physics, and Optics

User-Defined Keywords

  • 2-soliton breather
  • As2S3-based slot waveguide taper
  • fundamental soliton
  • self-similar pulse compression


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