DEFECTS AND SPACELIKE PROPERTIES OF DELAYED DYNAMICAL-SYSTEMS

被引：86

作者：

GIACOMELLI, G

MEUCCI, R

POLITI, A

ARECCHI, FT

机构：

[1] ITIS TULLIO BUZZI,PRATO,ITALY

[2] INFN,FLORENCE,ITALY

[3] UNIV FLORENCE,DIPARTIMENTO FIS,I-50121 FLORENCE,ITALY

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 08期

关键词：

D O I：

10.1103/PhysRevLett.73.1099

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In a laser with delayed feedback operating in an oscillatory regime, phase defects appear for delays longer than the oscillation period. These defects are visualized by rearranging the data in a two-dimensional representation. Two distinct disordered phases are observed, one of weak turbulence characterized by phase fluctuations, and one of highly developed turbulence characterized by a constant density of defects. The transition between the two regimes is analyzed by studying the dependence of the defect lifetime on the delay. The experimental findings are modeled via a generalized Landau equation which includes a delayed coupling.

引用

页码：1099 / 1102

页数：4

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