Faccio, D. , Porras, M. A., Dubietis, A., Tamošauskas, G., Kučinskas, E., Couairon, A. and Trapani, P. D. (2006) Angular and chromatic dispersion in Kerr-driven conical emission. Optics Communications, 265(2), pp. 672-677. (doi: 10.1016/j.optcom.2006.04.062)
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Abstract
We report measurements of ultrashort optical pulse filamentation in Kerr media with normal dispersion. We measure the angular dispersion of spontaneously generated colored conical emission and show that for large frequency shifts from the input pump frequency, it is well described by a relation between angle and frequency with slope determined solely by material chromatic dispersion. This measurement is in agreement with recent models that interpret filamentation dynamics in terms of the spontaneous formation of nonlinear X-waves. Finally, experimental results of filamentation in air show, for the first time, that the interpretation of CE in terms of X-waves may be also extended to gaseous media
| Item Type: | Articles |
|---|---|
| Additional Information: | Financial support from FIRB01, COFIN04 projects from the Italian Ministry of University and Research (MIUR) and from Accion integrada Hispano-Italiana H12004-0078. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Faccio, Professor Daniele |
| Authors: | Faccio, D., Porras, M. A., Dubietis, A., Tamošauskas, G., Kučinskas, E., Couairon, A., and Trapani, P. D. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Optics Communications |
| Publisher: | Elsevier |
| ISSN: | 0030-4018 |
| ISSN (Online): | 1873-0310 |
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