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    • Andrew Clark

    Andrew Clark is VP of engineering at Translucent, a subsidiary of Silex Systems Limited (Palo Alto, CA).

    FIGURE 1. Transmission electron microscopy (TEM) images show misfit dislocations at a germanium/tin (Ge/Sn) interface.
    Research

    OPTICAL MATERIALS: 'On-silicon' engineered substrates speed photonic device development

    David Williams
    April 1, 2013
    Thick (3-10 μm) engineered "on-silicon" substrates—some with rare-earth oxides—are being fabricated to meet high-volume demands for current and next-generation photonic devices...