Dr. Denise Powell Profile

Dr. Denise Powell

at IQE Silicon Compounds Ltd

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Publications (2)

Proceedings Article | 17 March 2023 Presentation

Design and characterisation of VCSELs for atomic sensor applications

Samuel Shutts, Curtis Hentschel, Sara-Jayne Gillgrass, James Meiklejohn, Craig Allford, Jack Baker, Josie Nabialek, Denise Powell, Witold Chalupczak, Mohsin Haji, Wyn Meredith, Peter Smowton

Proceedings Volume PC12439, PC1243907 (2023) https://doi.org/10.1117/12.2650495

KEYWORDS: Vertical cavity surface emitting lasers, Sensors, Quantum wells, Optical pumping, Ytterbium, Temperature metrology, Strontium, Spectroscopes, Second-harmonic generation, Mirrors

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Proceedings Article | 17 March 2023 Presentation

Quick fabrication VCSEL characterisation for rapid assessment of epitaxy design and growth

Craig Allford, Jack Baker, Sara-Jayne Gillgrass, James Meiklejohn, Denise Powell, Wyn Meredith, Tracy Sweet, Iwan Davies, Samuel Shutts, Peter Smowton

Proceedings Volume PC12439, PC124390C (2023) https://doi.org/10.1117/12.2648742

KEYWORDS: Vertical cavity surface emitting lasers, Epitaxy, Semiconducting wafers, Wavelength tuning, Wafer-level optics, Temperature metrology, Structural design, Spectrographs, Oxidation, Integrating spheres

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