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Dr. Karl P. Welna
at Sharp Labs of Europe Ltd
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Author
Publications (3)
Proceedings Article | 8 March 2014 Paper
Silicon photonic crystals: light emission, modulation and detection
Kapil Debnath, Abdul Shakoor, Karl Welna, Frederic Gardes, Graham Reed, Marcello Ferrera, Kieran Deasy, David Lidzey, R. Lo Savio, P. Cardile, S. Portalupi, D. Gerace, S. Boninelli, G. Franzó, F. Priolo, A. Knights, M. Galli, Thomas Krauss, Liam O’Faolain
Proceedings Volume 8990, 89900C (2014) https://doi.org/10.1117/12.2042560
KEYWORDS: Silicon, Photonic crystals, Hydrogen, Modulation, Waveguides, Light sources, Plasma, Silicon photonics, Sensors, Modulators
Proceedings Article | 14 March 2013 Paper
Room temperature electrically pumped silicon nano-light source at telecommunication wavelengths
Abdul Shakoor, Roberto Lo Savio, Paolo Cardile, Simone Portalupi, Dario Gerace, Karl Welna, Simona Boninelli, Giorgia Franzò, Francesco Priolo, Thomas Krauss, Matteo Galli, Liam O’Faolain
Proceedings Volume 8629, 862918 (2013) https://doi.org/10.1117/12.2004817
KEYWORDS: Silicon, Hydrogen, Plasma treatment, Plasma, Nano light sources, Electroluminescence, Luminescence, Telecommunications, Active optics, Transmission electron microscopy
Proceedings Article | 2 February 2012 Paper
Highly efficient coupling between a monolithically integrated photonic crystal cavity and a bus waveguide
Kapil Debnath, Karl Welna, Marcello Ferrera, Kieran Deasy, David Lidzey, Thomas Krauss, Liam O'Faolain
Proceedings Volume 8264, 82640F (2012) https://doi.org/10.1117/12.909389
KEYWORDS: Waveguides, Photonic crystals, Silicon, Oxides, Crystals, Wavelength division multiplexing, Integrated photonics, Optical filters, Light, Fiber couplers
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