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Resonant Bloch-wave beatings

Author
Kartashov, Y.; Vysloukh, V.A.; Torner, L.
Type of activity
Journal article
Journal
Optics letters
Date of publication
2014-07-01
Volume
39
Number
13
First page
3826
Last page
3829
DOI
https://doi.org/10.1364/OL.39.003826 Open in new window
Repository
http://hdl.handle.net/2117/24655 Open in new window
URL
http://www.opticsinfobase.org/ol/abstract.cfm?uri=ol-39-13-3826 Open in new window
Abstract
We introduce Bloch-wave beatings in arrays of multimode periodically bent waveguides with a transverse refractive index gradient. The new phenomenon manifests itself in the periodic drastic increase of the amplitude of the Bloch oscillations that accompanies resonant conversion of modes guided by the individual waveguides. The Bloch-wave beatings are found to be most pronounced when the length of the resonant mode conversion substantially exceeds the longitudinal period of the Bloch oscillations...
Citation
Kartashov, Y.; Vysloukh, V.A.; Torner, L. Resonant Bloch-wave beatings. "Optics letters", 01 Juliol 2014, vol. 39, núm. 13, p. 3826-3829.
Keywords
Gratings, Guide arrays, Lattices, Light, Mode conversion, Oscillations
Group of research
FOTONICA - Photonics Research Group

Participants