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Electro-Refraction in Standard and Symmetrically Coupled Ge/SiGe Quantum Wells

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Electro-refraction in standard (sQW) and coupled (cQW) Ge/SiGe quantum wells grown on Si have been investigated by means of optical transmission measurements performed on planar waveguides. The anomalous Quantum confined Stark Effect observed in the coupled quantum well structure strongly enhance the electro-refractive effect with respect to sQW.
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Keywords: GERMANIUM; MODULATORS; QUANTUM WELLS; SILICON PHOTONICS

Document Type: Short Communication

Publication date: 2017-07-01

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  • Nanoscience and Nanotechnology Letters (NNL) is a multidisciplinary peer-reviewed journal consolidating nanoscale research activities in all disciplines of science, engineering and medicine into a single and unique reference source. NNL provides the means for scientists, engineers, medical experts and technocrats to publish original short research articles as communications/letters of important new scientific and technological findings, encompassing the fundamental and applied research in all disciplines of the physical sciences, engineering and medicine.
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