Paper
1 February 2008 Singlemode 1.1 μm InGaAs quantum well microstructured photonic crystal VCSEL
Renaud Stevens, Philippe Gilet, Alexandre Larrue, Laurent Grenouillet, Nicolas Olivier, Philippe Grosse, Karen Gilbert, Raphael Teysseyre, Alexei Chelnokov
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Abstract
In this article, we present our results on long wavelength (1.1 μm) single-mode micro-structured photonic crystal strained InGaAs quantum wells VCSELs for optical interconnection applications. Single fundamental mode roomtemperature continuous-wave lasing operation was demonstrated for devices designed and processed with a number of different two-dimensional etched patterns. The conventional epitaxial structure was grown by Molecular Beam Epitaxy (MBE) and contains fully doped GaAs/AlGaAs DBRs, one oxidation layer and three strained InGaAs quantum wells. The holes were etched half-way through the top-mirror following various designs (triangular and square lattices) and with varying hole's diameters and pitches. At room temperature and in continuous wave operation, micro-structured 50 µm diameter mesa VCSELs with 10 μm oxidation aperture exhibited more than 1 mW optical power, 2 to 5 mA threshold currents and more than 30 dB side mode suppression ratio at a wavelength of 1090 nm. These structures show slight power reduction but similar electrical performances than unstructured devices. Systematic static electrical, optical and spectral characterization was performed on wafer using an automated probe station. Numerical modeling using the MIT Photonic-Bands (MPB [1]) package of the transverse modal behaviors in the photonic crystal was performed using the plane wave method in order to understand the index-guiding effects of the chosen patterns, and to further optimize the design structures for mode selection at extended wavelength range.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Renaud Stevens, Philippe Gilet, Alexandre Larrue, Laurent Grenouillet, Nicolas Olivier, Philippe Grosse, Karen Gilbert, Raphael Teysseyre, and Alexei Chelnokov "Singlemode 1.1 μm InGaAs quantum well microstructured photonic crystal VCSEL", Proc. SPIE 6908, Vertical-Cavity Surface-Emitting Lasers XII, 69080D (1 February 2008); https://doi.org/10.1117/12.760052
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KEYWORDS
Vertical cavity surface emitting lasers

Photonic crystals

Oxidation

Quantum wells

Indium gallium arsenide

Semiconducting wafers

Wafer-level optics

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