Transverse anisotropy and mode structure in VCSELs

Martin P. Van Exter; Arie K. Jansen van Doorn; Rob F. M. Hendriks; J. P. Woerdman

doi:10.1117/12.238955

1 May 1996 Transverse anisotropy and mode structure in VCSELs

Martin P. Van Exter, Arie K. Jansen van Doorn, Rob F. M. Hendriks, J. P. Woerdman

Proceedings Volume 2693, Physics and Simulation of Optoelectronic Devices IV; (1996) https://doi.org/10.1117/12.238955
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Vertical-cavity surface-emitting lasers (VCSELs) are a new type of semiconductor laser with intriguing properties. As the small cavity ensures single longitudinal mode operation, the VCSEL mode structure is fully determined by the transverse spatial profile combined with the polarization behavior. After discussing some general ideas behind mode formation in VCSELs, we present a number of experiments performed to obtain the relevant numbers for practical AlGaAs-GaAs devices. These include measurements of: the (polarization-resolved) light output-versus-current characteristic, far-field patterns, the wavefront curvature inside a VCSEL, a spectral analysis of spontaneous emission below and above threshold, and a study of the influence of an axial magnetic field. This article contains a relatively large number of equations and experimental and literature values to make it more useful for later reference. Of course it is difficult to tell how specific some of these numbers are related to the particular planar VCSELs we have investigated.

Citation Download Citation

Martin P. Van Exter, Arie K. Jansen van Doorn, Rob F. M. Hendriks, and J. P. Woerdman "Transverse anisotropy and mode structure in VCSELs", Proc. SPIE 2693, Physics and Simulation of Optoelectronic Devices IV, (1 May 1996); https://doi.org/10.1117/12.238955

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