Optical confinement in PbTe/PbEuTe multi-quantum-well structures

Shu Yuan; G. Springholz; H. Krenn; G. Bauer; Manfred Kriechbaum

doi:10.1117/12.162732

19 November 1993 Optical confinement in PbTe/PbEuTe multi-quantum-well structures

Shu Yuan, G. Springholz, H. Krenn, G. Bauer, Manfred Kriechbaum

Author Affiliations +

Proceedings Volume 1985, Physical Concepts and Materials for Novel Optoelectronic Device Applications II; (1993) https://doi.org/10.1117/12.162732
Event: Physical Concepts of Materials for Novel Optoelectronic Device Applications II, 1993, Trieste, Italy

Abstract

The enhancement of the refractive index n((omega) ) close to interband transitions between confined quasi two-dimensional states of the valence and conduction bands of PbTe/Pb_1-xEu_xTe multiquantum well structures (MQWs) is studied experimentally as well as theoretically. The cusp-like changes of n((omega) ) are of importance for the proper design of quantum well lasers. We use transmission and reflectivity data of several MQWs with a well to barrier thickness ratio of about 4 - 10 which were deposited on 3 to 5 micrometers thick Pb_1-xEu_xTe buffers grown on BaF₂ substrates for a comparison with calculated spectra.

Citation Download Citation

Shu Yuan, G. Springholz, H. Krenn, G. Bauer, and Manfred Kriechbaum "Optical confinement in PbTe/PbEuTe multi-quantum-well structures", Proc. SPIE 1985, Physical Concepts and Materials for Novel Optoelectronic Device Applications II, (19 November 1993); https://doi.org/10.1117/12.162732

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