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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4401–4404

Cross-correlation frequency-resolved optical gating and dynamics of temporal solitons in silicon nanowire waveguides

Jiali Liao, Matthew Marko, Xiujian Li, Hui Jia, Ju Liu, Yizhou Tan, Jiankun Yang, Yuanda Zhang, Wusheng Tang, Mingbin Yu, Guo-Qiang Lo, Dim-Lee Kwong, and Chee Wei Wong  »View Author Affiliations


Optics Letters, Vol. 38, Issue 21, pp. 4401-4404 (2013)
http://dx.doi.org/10.1364/OL.38.004401


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Abstract

We demonstrate the evolution of picosecond pulses in silicon nanowire waveguides by sum frequency generation cross-correlation frequency-resolved optical gating (SFG-XFROG) and nonlinear Schrödinger equation (NLSE) modeling. Due to the unambiguous temporal direction and ultrahigh sensitivity of the SFG-XFROG, which enable observation of the pulse accelerations, the captured pulses’ temporal and spectral characteristics showed remarkable agreement with NLSE predictions. The temporal intensity redistribution of the pulses through the silicon nanowire waveguide for various input pulse energies is analyzed experimentally and numerically to demonstrate the nonlinear contributions of self-phase modulation, two-photon absorption, and free carriers. It indicates that free carrier absorption dominates the pulse acceleration. The model for pulse evolution during propagation through arbitrary lengths of silicon nanowire waveguides is established by NLSE, in support of chip-scale optical interconnects and signal processing.

© 2013 Optical Society of America

OCIS Codes
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(320.7110) Ultrafast optics : Ultrafast nonlinear optics
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors

ToC Category:
Ultrafast Optics

History
Original Manuscript: July 8, 2013
Revised Manuscript: September 27, 2013
Manuscript Accepted: October 1, 2013
Published: October 25, 2013

Citation
Jiali Liao, Matthew Marko, Xiujian Li, Hui Jia, Ju Liu, Yizhou Tan, Jiankun Yang, Yuanda Zhang, Wusheng Tang, Mingbin Yu, Guo-Qiang Lo, Dim-Lee Kwong, and Chee Wei Wong, "Cross-correlation frequency-resolved optical gating and dynamics of temporal solitons in silicon nanowire waveguides," Opt. Lett. 38, 4401-4404 (2013)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-38-21-4401

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