General quasi-non-spreading linear three-dimensional wave-packets

Details General quasi-non-spreading linear three-dimensional wave-packets General quasi-non-spreading linear three-dimensional wave-packets

2011-05-05

arxiv.org/abs/1105.1181v1

Optics Letters 36, 2176 (2011)

Physics

Optics

3 pages, 4 figures, to appear in Optics Letters

Scientific paper

We introduce a general approach for generation of sets of three-dimensional quasi-non-spreading wavepackets propagating in linear media, also referred to as linear light bullets. The spectrum of rigorously non-spreading wavepackets in media with anomalous group velocity dispersion is localized on the surface of a sphere, thus drastically restricting the possible wavepacket shapes. However, broadening slightly the spectrum affords the generation of a large variety of quasi-non-spreading distributions featuring complex topologies and shapes in space and time that are of interest in different areas, such as biophysics or nanosurgery. Here we discuss the method and show several illustrative examples of its potential.

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