High-Power Emission via Large-Area VCSELs With Single High-Order Mode Operation

In this work we investigate patterned large-active area AlGaAs vertical-cavity surface-emitting lasers (VCSELs) targeting high-power single-transverse-mode emission. As a first step, our in-house 3D electromagnetic vectorial mode solver VELMS is validated against preliminary experimental data. Then,...

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Veröffentlicht in:	IEEE photonics journal 2024-04, Vol.16 (2), p.1-7
Hauptverfasser:	Torrelli, Valerio, Gullino, Alberto, Tibaldi, Alberto, Bertazzi, Francesco, Goano, Michele, Debernardi, Pierluigi
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic measurements Electromagnetics Emission High-Power Large Active Area Modal choice Optical Mode Solvers Optical surface waves Refractive index Single mode operation Single-Mode Emission Temperature sensors Threshold current VCSELs Vertical cavity surface emission lasers Vertical cavity surface emitting lasers
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Beschreibung
Zusammenfassung:	In this work we investigate patterned large-active area AlGaAs vertical-cavity surface-emitting lasers (VCSELs) targeting high-power single-transverse-mode emission. As a first step, our in-house 3D electromagnetic vectorial mode solver VELMS is validated against preliminary experimental data. Then, VELMS is applied to implement single-mode operation on VCSELs featuring large-area rectangular oxide apertures. A comparative appraisal of different mode selection strategies based on patterning the outcoupling facet of the device is presented, providing a number of alternatives for a broad audience of technologists.
ISSN:	1943-0655 1943-0655 1943-0647
DOI:	10.1109/JPHOT.2024.3360992