ASIAN JOURNAL OF PHYSICS

An International Peer Reviewed Research Journal
Frequency : Monthly,
ISSN : 0971 – 3093
Editor-In-Chief (Hon.) :
Dr. V.K. Rastogi
e-mail:[email protected]
[email protected]

AJP ISSN : 0971 – 3093
Vol  7, No 3, July-September, 1998

Asian
Journal of Physics


Vol  7, No 3, July-September, 1998


 

CONTENTS

Editorial

Guest Editorial

Introduction

SECTION I : OPTICAL PATTERNS

Alkaline vapors with single-mirror feedback—a model system for pattern formation

W Lange and T Ackemann

439

 

Aspects of pattern formation in a liquid crystal light valve feedback system

B Thüring, R Neubecker, M Kreuzer, E Benkler and T Tschudi 

453

 

Stabilization and manipulation of self-organized patterns in a photorefractive feedback system

Michael Schwab, Cornelia Denz and Sussie Juul Jensen

470

 

Optical quasipatterns and multicriticality

M Le Berre, D Leduc, E Ressavre and A Tallet

483

 

Phase reversal of light beams carrying optical vortices

I G Marienko, M S Soskin and M V Vasnetsov

495

Cited:11

 

SECTION II : LASER INSTABILITIES

Feedback-induced nonlinear dynamics in surface-emitting lasers

Govind P Agrawal, Joanne Y Law and George R Gray

502

 

Dynamic instabilities in the pulses from CW modelocked lasers

U Morgner and F Mitschke

521

 

Multimode nonlinear dynamics in semiconductor lasers : From patterns to chaos                      

T Rössler, J K White, R A Indik and J V Moloney

539

 

Low-frequency fluctuations in semiconductor lasers with optical feedback

Guido H M van Tartwijk and Daan Lenstra

562

 

Pattern formation in three-level laser systems

J Garcia-Ojalvo. V M Sánchez-Morcillo, M Brambilla, M C Torrent, and R Vilaseca

576

 

SECTION III : WAVE MIXING

Two- and four-wave mixing in nonlinear photorefractive crystals; modeling and applications

Joby Joseph, Mousumi Pohit and Kehar Singh

589

 

Vector four wave mixing in anisotropic photorefractive materials

D A Fish, P Shah and A K Powell

613

 

Influence of dark intensity and intensity-dependent relaxation time on spatiotemporal grating formation

Oliver Sandfuchs, Friedemann Kaiser and Milivoj R Belic' 

629

 

Characterization of photorefractive nonlinearities based on beam fanning patterns

Partha P Banerjee, Alexander Y Danileiko, Tracy Hudson, Deanna Mc Millen and Jaw-Jueh Liu

640

 

Dynamical behavior and frequency shift in photorefractive self-pumped phase conjugators

Ping Xie, Peng- Ye Wang, Jian-Hua Dai and Hong-Jun Zhang

651

 

Quadratic nonlinear induced optical pulse reflection at the interface between linear and nonlinear material

Jordi Martorell and R Vilaseca

659

 

SECTION IV : SPATIAL SOLITONS

Cavity Solitons                                                                                                                                      

W J Firth and G K Harkness

665

 

Creation, dynamics and stability of localized states in a nonlinear optical single feedback system

M Kreuzer, B Thuring and T Tschudi

678

 

Self-trapping of incoherent bright and dark beams

Matthew Mitchell, Zhigang Chen, Mordechai Segev, Tamer Coskun and Demetrios Christodoulides

687

 

Interaction of coherent and incoherent photorefractive spatial solitons

Wieslaw Krolikowski, Cornelia Denz, Mark Saffman,Barry Luther-Davies and Scott H Holmstrom 

698

 

Comparison of the three-dimensional interaction of coherent and incoherent spatial screening solitons

A Stepken, F Kaiser and M R Belie' 

713