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Germanium Quantum Wells for High-Performance Modulators in Silicon Photonics

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Thin germanium layers on silicon may finally give Group IV optoelectronics the performance of the best III-V devices.

David A.B. Miller, Stanford University

Silicon electronics technology dominates information processing and offers a remarkable way to make very complex systems for very little cost. Many of the waveguide passive optical components used today in telecommunications such as wavelength splitters use the same technology base as silicon electronics — the silicon, silicon dioxide and silicon nitride that are the semiconductors and insulators of electronics become the waveguides of optics. Having one platform that could integrate electronics, optics and optoelectronics is an attractive idea, and if possible, the platform could...Read full article

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