Brillouin Zone Spectroscopy of Nonlinear Photonic Lattices

Bartal, Guy and Cohen, Oren and Buljan, Hrvoje and Fleischer, Jason W. and Manela, Ofer and Segev, Mordechai (2005) Brillouin Zone Spectroscopy of Nonlinear Photonic Lattices. Physical Review Letters, 94 (16). pp. 163902-4. ISSN 0031-9007

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Abstract

We present a novel, real-time, experimental technique for linear and nonlinear Brillouin zone spectroscopy of photonic lattices. The method relies on excitation with random-phase waves and far-field visualization of the spatial spectrum of the light exiting the lattice. Our technique facilitates mapping the borders of the extended Brillouin zones and the areas of normal and anomalous dispersion within each zone. For photonic lattices with defects (e.g., photonic crystal fibers), our technique enables far-field visualization of the defect mode overlaid on the extended Brillouin zone structure of the lattice. The technique is general and can be used for photonic crystal fibers as well as for periodic structures in areas beyond optics.

Item Type: Article
Keywords: Brillouin zones, spectroscopy, nonlinear, lattices, light
Date: April 2005
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2005) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 0119250
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 24 May 2014 19:20
Last Modified: 24 May 2014 19:20
URI: http://digre.pmf.unizg.hr/id/eprint/1695

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