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Optical bullets and double bullet complexes in dissipative systems J. M. Soto-Crespo
 

Summary: Optical bullets and double bullet complexes in dissipative systems
J. M. Soto-Crespo
Instituto de Óptica, C.S.I.C., Serrano 121, 28006 Madrid, Spain
Nail Akhmediev
Optical Sciences Group, Research School of Physical Sciences and Engineering,
The Australian National University, Canberra ACT 0200, Australia
Ph. Grelu
Laboratoire de Physique de l'Université de Bourgogne, UMR CNRS 5027, Faculté des Sciences Mirande, Boîte Postale 47870,
21078 Dijon Cedex, France
Received 13 July 2006; published 19 October 2006
We show that optical light bullets can coexist with double bullet complexes in nonlinear dissipative systems.
Coexistence occurs for a relatively large range of the system parameters, and is associated with either marginal
stability or bistable existence of the two dissipative soliton species. In the case of marginal stability, sponta-
neous transformations of single bullets into double bullet complexes are observed. Among the bistable cases,
we show how both clockwise and anticlockwise rotating double bullet complexes can be formed out of the
phase-controlled interaction of two single bullets. The internal dynamics of pulsating double bullet complexes,
with oscillations in both the spatial separation between the two bullets and the bullet shape in time domain is
also detailed.
DOI: 10.1103/PhysRevE.74.046612 PACS number s : 42.65.Tg, 47.20.Ky
I. INTRODUCTION

  

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

 

Collections: Engineering; Physics