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Dr. Urban Westergren
at KTH Royal Institute of Technology
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Author
Publications (4)
Proceedings Article | 26 November 2009 Paper
Experimental demonstration of an ultracompact polarization beam splitter based on a bidirectional grating coupler
Proceedings Volume 7631, 763103 (2009) https://doi.org/10.1117/12.851621
KEYWORDS: Polarization, Photonics, Beam splitters, Silicon, Waveguides, Diffraction gratings, Etching, Electron beam lithography, Optical design, Refractive index
Proceedings Article | 19 July 2006 Paper
High-speed traveling-wave electro-absorption modulators
Proceedings Volume 6350, 635004 (2006) https://doi.org/10.1117/12.693009
KEYWORDS: Modulators, Waveguides, Continuous wave operation, Microwave radiation, Modulation, Quantum wells, Electrodes, Absorption, Transmitters, Multiplexers
Proceedings Article | 21 April 2006 Paper
Low cost packaging of a reflective electro-absorption modulator/detector with optimized spurious free dynamic range
S. Karlsson, Y. Yu, C. Liu, R. Schatz, C. Chuang, O. Kjebon, U. Westergren, T. Tsegaye, A. Seeds
Proceedings Volume 6185, 61850M (2006) https://doi.org/10.1117/12.660124
KEYWORDS: Modulators, Packaging, Sensors, Reflectivity, Fabry–Perot interferometers, Transceivers, Intermodulation, Signal detection, Quantum wells
Proceedings Article | 25 March 2004 Paper
High-speed electro-absorption modulators for fiber optic communications
Stefan Irmscher, Robert Lewen, Urban Eriksson, Urban Westergren, Lars Thylen
Proceedings Volume 5277, (2004) https://doi.org/10.1117/12.522920
KEYWORDS: Modulators, Modulation, Electrodes, Capacitance, Resistors, Signal attenuation, Waveguides, Dielectrics, Single mode fibers, Inductance
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