Exploració per tema "Wave packets"
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General quasi-nonspreading linear three-dimensional wave packets
(2011-06-15)
Article
Accés restringit per política de l'editorialWe introduce a general approach for generation of sets of three-dimensional quasi-nonspreading wave packets propagating in linear media, also referred to as linear light bullets. The spectrum of rigorously nonspreading ... -
Topological light bullets supported by spatiotemporal gain
(2012-02-02)
Article
Accés restringit per política de l'editorialWe reveal that the competition among diffraction, cubic nonlinearity, two-photon absorption, and gain localized in both space and time results in arrest of collapse, suppression of azimuthal modulation instabilities for ...