Cathodoluminescence Profiling of InGaN-Based Quantum Well Structures and Laser Diodes - In-Plane Instabilities of Light Emission

• Authors: M. Godlewski , V. Ivanov , E. Goldys , M. Phillips , T. Böttcher , S. Figge , D. Hommel , R. Czernecki , P. Prystawko , M. Leszczynski , P. Perlin , I. Grzegory , S. Porowski
• Languages of publication: EN

Abstracts

EN

Instabilities of light emission and also of stimulated emission in series of GaN epilayers and InGaN quantum well structures, including laser diode structures, are studied. A stimulated emission is observed under electron beam pumping. This enabled us to study light emission properties from laser structures and their relation to microstructure details. We demonstrate large in-plane fluctuations of light emission and that these fluctuations are also present for excitation densities larger than the threshold densities for the stimulated emission.

Keywords

EN

61.72.Ff; 61.72.Mm; 68.37.Hk; 78.60.Hk

Discipline

• 61.72.Mm: Grain and twin boundaries
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)
• 61.72.Ff: Direct observation of dislocations and other defects (etch pits, decoration, electron microscopy, x-ray topography, etc.)
• 78.60.Hk: Cathodoluminescence, ionoluminescence

• Journal: Acta Physica Polonica A
• Year: 2003
• Volume: 103
• Issue: 6
• Pages: 689-694

Dates

published

2003-06

received

2003-05-30

Contributors

author

M. Godlewski

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland
• College of Science, Cardinal S. Wyszyński University, Warsaw, Poland

author

V. Ivanov

• Institute of Physics, Polish Academy of Sciences, al. Lotników 32/46, 02-668 Warsaw, Poland

author

E. Goldys

• Division of Information and Communication Sciences, Macquarie University, Sydney, Australia

author

M. Phillips

• Microstructural Analysis Unit, UTS, Sydney, Australia

author

T. Böttcher

• Institute of Solid State Physics, University of Bremen, 28334 Bremen, Germany

author

S. Figge

• Institute of Solid State Physics, University of Bremen, 28334 Bremen, Germany

author

D. Hommel

• Institute of Solid State Physics, University of Bremen, 28334 Bremen, Germany

author

R. Czernecki

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

author

P. Prystawko

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

author

M. Leszczynski

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

author

P. Perlin

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

author

I. Grzegory

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

author

S. Porowski

• High Pressure Res. Center (Unipress), Polish Academy of Sciences, Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.103.689