- Nonlinear X-wave
References and history
- Preliminary experimental results were reported CLEO/QELS conference in 2001 
- The first article appeared in the arXiv:physics archive in 2002 . It was later published in the Physical Review Letters: Phys. Rev. Lett. 90, 170406 (2003)  and reported on the theoretical prediction of the existence of nonlinear X-waves.
- The first experimental results, originally published in the arXiv:physics archive , appeared in the Physical Review Letters in 2003: Phys. Rev. Lett. 91, 093904 (2003)
- VINO The Virtual Institute for Nonlinear Optics is a research collaboration devoted to the investigation of X-waves and conical waves in general.
- Nolinear X-waves page at the nlo.phys.uniroma1.it website.
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