Vertical-coupled high-efficiency tunable III–V- CMOS SOI hybrid external-cavity laser

We demonstrate an uncooled C-band, external-cavity, silicon-assisted hybrid laser and report a waveguide-coupled wall-plug-efficiency of 5.5% at room temperature, output power of 10 mW and tuning efficiency of 2.2 nm/mW using a ring-based tunable reflector.

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