Spatiotemporal focusing through a multimode fiber via time-domain wavefront shaping

Matthias C. Velsink, Lyubov V. Amitonova, Pepijn W.H. Pinkse*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

1 Citation (Scopus)
8 Downloads (Pure)

Abstract

We shape fs optical pulses and deliver them in a single spatial mode to the input of a multimode fiber. The pulse is shaped in time such that at the output of the multimode fiber an ultrashort pulse appears at a predefined focus. Our result shows how to raster scan an ultrashort pulse at the output of a stiff piece of square-core step-index multimode fiber and in this way show the potential for making a nonlinear fluorescent image of the scene behind the fiber, while the connection to the multimode fiber can be established via a thin and flexible single-mode fiber. The experimental results match our numerical simulation well.
Original languageEnglish
Pages (from-to)272-290
Number of pages19
JournalOptics express
Volume29
Issue number1
DOIs
Publication statusPublished - 4 Jan 2021

Keywords

  • Wavefront shaping
  • Ultrashort pulses
  • nonlinear optics

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