MBE Growth and Characterization of a III-V Distributed Bragg Reflectors and InAs Quantum Dots

• Authors: J. Rousset , T. Słupinski , T. Jakubczyk , J. Kobak , P. Stawicki , K. Gołasa , A. Babinski , M. Nawrocki , W. Pacuski
• Languages of publication: EN

Abstracts

EN

We describe the realization and characterization of a distributed Bragg reflectors and InAs quantum dots grown by molecular beam epitaxy. The distributed Bragg reflectors are based on a stack of eight or twenty pairs of GaAs and AlAs layers with a stopband centered at about E_0=1.24 eV (λ_0=1000 nm). The whole structures exhibit a reflectivity coefficient above 90%. The growth rate was monitored in situ by measurement of the oscillations of the thermal emission intensity. The investigations conducted on the InAs quantum dots grown on GaAs show photoluminescence around E=1.25 eV (λ=990 nm). The combination of these two elements results in the realization of a microcavity containing InAs quantum dots and surrounded by 20 pairs of distributed Bragg reflectors.

Keywords

EN

78.20.Ci; 78.67.Pt; 68.37.Hk

Discipline

• 78.67.Pt: Multilayers; superlattices; photonic structures; metamaterials(see also 81.05.Xj, Metamaterials for chiral, bianisotropic and other complex media)
• 78.20.Ci: Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)
• 68.37.Hk: Scanning electron microscopy (SEM) (including EBIC)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 6
• Pages: 984-987

Dates

published

2012-12

Contributors

author

J. Rousset

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

T. Słupinski

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

T. Jakubczyk

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

J. Kobak

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

P. Stawicki

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

K. Gołasa

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

A. Babinski

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

M. Nawrocki

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

author

W. Pacuski

• Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Hoża 69, PL-00-681 Warszawa, Poland

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Identifiers

DOI

10.12693/APhysPolA.122.984