Spatio-temporal X-wave

Eran Small*, Ori Katz, Yochay Eshel, Yaron Silberberg, Dan Oron

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


We introduce an illumination configuration which is a spatiotemporal analog of a non-diffracting X-wave. By interfering multiple ultrashort converging plane waves, we generate a tight central spot at which a transform limited ultrashort pulse is formed. Outside this tight focus a spatiotemporal speckle field with longer duration and reduced peak power is created. We investigate this spatiotemporal X-wave configuration analytically, numerically, and experimentally demonstrate the effect using two photon excitation fluorescence.

Original languageAmerican English
Pages (from-to)18659-18668
Number of pages10
JournalOptics Express
Issue number21
StatePublished - 12 Oct 2009
Externally publishedYes


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