Conforti, M., Westerberg, N. , Baronio, F., Trillo, S. and Faccio, D. (2013) Negative-frequency dispersive wave generation in quadratic media. Physical Review A: Atomic, Molecular and Optical Physics, 88(1), 013829. (doi: 10.1103/PhysRevA.88.013829)
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Abstract
We show that the extremely blueshifted dispersive wave emitted in Kerr media owing to the coupling with the negative-frequency branch [E. Rubino et al., Phys. Rev. Lett. 108, 253901 (2012)] can be observed in quadratic media via second-harmonic generation. Not only is such a phenomenon thus independent of the specific nonlinear mechanism, but it is shown to occur regardless of the fact that the process is pumped by a pulse which exhibits soliton-like features or vice versa undergoes wave breaking. A simple unified formula gives the frequencies of the emitted dispersive waves in both cases.
Item Type: | Articles |
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Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | Faccio, Professor Daniele and Westerberg, Dr Niclas |
Authors: | Conforti, M., Westerberg, N., Baronio, F., Trillo, S., and Faccio, D. |
College/School: | College of Science and Engineering > School of Physics and Astronomy |
Journal Name: | Physical Review A: Atomic, Molecular and Optical Physics |
Publisher: | American Physical Society |
ISSN: | 1050-2947 |
ISSN (Online): | 1094-1622 |
Published Online: | 19 July 2013 |
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