physica status solidi (a)

Cover image for Vol. 212 Issue 9

Editor: Stefan Hildebrandt (Editor-in-Chief), Sabine Bahrs (Deputy Editor)

Online ISSN: 1862-6319

Associated Title(s): physica status solidi (b), physica status solidi (c), physica status solidi (RRL) - Rapid Research Letters

205_01/2008Cover Picture: phys. stat. sol. (a) 205/1

The current issue includes two Feature Articles, each presenting a different perspective on optoelectronic devices based on III–V semiconductors and pentanary alloys.S. Calvez et al. (pp. 85–92) report on the numerous possibilities and applications for the concept of surface-normal operating devices, such as vertical surface-emitting lasers with internal and external cavities and semiconductor saturable absorber mirrors. The article by A. Krier et al. (pp. 129–143) focuses on the development of LEDs and lasers for the mid-infrared spectral range with different approaches and designs for utilizing narrow-gap materials. Among them are semiconductor ring-resonator lasers based on InAs0.42Sb0.18P0.40/InAs double heterostructures, which operate via a whispering gallery mode. The cover picture illustrates a calculation of such a typical mode in a hollow metal resonator. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

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