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Conference Paper

Discreteness in time

MPS-Authors
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Peschel,  Ulf
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Bersch,  Christoph
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Onishchukov,  Georgy
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Peschel, U., Bersch, C., & Onishchukov, G. (2008). Discreteness in time. CENTRAL EUROPEAN JOURNAL OF PHYSICS, 6(3), 619-627.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6C77-E
Abstract
In this paper we discuss the joint propagation of a periodically modulated field and a pulse of different frequency in an optical fiber. The pulse experiences the action of an index lattice induced via cross-phase modulation by the periodic field. We predict effects of discreteness to show up both in the temporal and in the spatial domain. For large walk-off between the two fields one should observe Bloch oscillations in frequency space, where discrete diffraction is expected to occur for equal velocities of both waves.