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15 April 1999 Z .Optics Communications 162 1999 347356
 

Summary: 15 April 1999
Z .Optics Communications 162 1999 347­356
Full length article
Dynamics of quadratic soliton excitation
David Artigas a
, Lluis Torner a
, Nail N. Akhmediev b
a
Laboratory of Photonics, Department of Signal Theory and Communications, UniĠersitat Politecnica de Catalunya,
Gran Capitan UPC-D3, ES 08034 Barcelona, Spain
b
Optical Sciences Center, Institute of AdĠanced Studies, The Australian National UniĠersity, Canberra, ACT 0200, Australia
Received 2 December 1998; accepted 12 February 1999
Abstract
We study the dynamics of the soliton­radiation interaction in the process of soliton excitation in quadratic nonlinear
media. The focus is on the dynamics of initial signals that are not weakly perturbed exact solitons. We use a combination of
numerical experiments and analytical tools based on the integral conserved quantities of the wave evolution. We show the
rate of convergence of representative, experimentally relevant inputs, to the asymptotic soliton states. A measure of soliton
content of arbitrary input signals is introduced and evaluated in several representative examples. The dynamic evolution of
oscillating solitons is studied using generalized Stokes parameters. q 1999 Elsevier Science B.V. All rights reserved.

  

Source: Akhmediev, Nail - Research School of Physical Sciences and Engineering, Australian National University

 

Collections: Physics; Engineering