Scientific Results

Ultrabroadband Dispersive Radiation by Spatiotemporal Oscillation of Multimode Waves

Year: 2015

Authors: Wright L G., Wabnitz S., Christodoulides D. N., Wise F.W.

Autors Affiliation: School of Applied and Engineering Physics, Cornell University, Ithaca, New York 14853, USA;
Dipartimento di Ingegneria dell′Informazione, Universit√† degli Studi di Brescia, and Istituto Nazionale di Ottica, CNR, via Branze 38, 25123 Brescia, Italy;
CREOL, College of Optics and Photonics, University of Central Florida, Orlando, Florida 32816, USA

Abstract: In nonlinear dynamical systems, qualitatively distinct phenomena occur depending continuously on the size of the bounded domain containing the system. For nonlinear waves, a multimode waveguide is a bounded three-dimensional domain, allowing observation of dynamics impossible in open settings. Here we study radiation emitted by bounded nonlinear waves: the spatiotemporal oscillations of solitons in multimode fiber generate multimode dispersive waves over an ultrabroadband spectral range. This work suggests routes to sources of coherent electromagnetic waves with unprecedented spectral range.

Journal/Review: PHYSICAL REVIEW LETTERS

Volume: 115 (22)      Pages from: 223902  to: 223902

More Information: Portions of this work were funded by Office of Naval Research Grant No. N00014-13-1-0649. L. G. W acknowledges support from NSERC. S. W. is funded by Italian Ministry of University and Research (Grant No. 2012BFNWZ2). We thank C. Xu for loan of the laser used in the experiments and Alessandro Tonello for discussions on the relation of the work to BECs.
KeyWords: Dynamical systems; Electromagnetic waves; Multimode fibers; Nonlinear dynamical systems, Dispersive waves; Multi-mode waveguides; Nonlinear waves; Spatio-temporal oscillations; Spectral range; Three-dimensional domain; Ultra-broadband; Ultra-broadband spectral range, Dispersion (waves)
DOI: 10.1103/PhysRevLett.115.223902

Citations: 61
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