Broadband diffraction management and self-collimation of white light in photonic lattices

Details Broadband diffraction management and self-collimation of white light in photonic lattices Broadband diffraction management and self-collimation of white light in photonic lattices

2006-07-25

arxiv.org/abs/physics/0607218v1

Phys. Rev. E 74, 066609 (2006)

Physics

Optics

5 pages, 4 figures; available at http://link.aps.org/abstract/PRE/v74/e066609

Scientific paper

10.1103/PhysRevE.74.066609

We suggest a novel type of photonic structures where the strength of diffraction can be managed in a very broad frequency range. We introduce optimized arrays of curved waveguides where light beams experience wavelength-independent normal, anomalous, or zero diffraction. Our results suggest novel opportunities for efficient self-collimation, focusing, and reshaping of beams produced by white-light and super-continuum sources. We also show how to manipulate light patterns through multicolor Talbot effect, which is possible neither in free space nor in conventional photonic lattices.

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