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01459 am a22002413u 4500 |
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|a Bradley, Jonathan DB
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|a Hosseini, Ehsan Shah
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|a Purnawirman
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|a Su, Zhan
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|a Adam, Thomas N
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|a Leake, Gerald
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|a Coolbaugh, Douglas
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|a Watts, Michael R
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|a Monolithic erbium- and ytterbium-doped microring lasers on silicon chips
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|b The Optical Society,
|c 2021-10-27T20:04:02Z.
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|z Get fulltext
|u https://hdl.handle.net/1721.1/134216
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|a We demonstrate monolithic 160-μm-diameter rare-earth-doped microring lasers using silicon-compatible methods. Pump light injection and laser output coupling are achieved via an integrated silicon nitride waveguide. We measure internal quality factors of up to 3.8 × 105 at 980 nm and 5.7 × 105 at 1550 nm in undoped microrings. In erbium- and ytterbium-doped microrings we observe single-mode 1.5-μm and 1.0-μm laser emission with slope efficiencies of 0.3 and 8.4%, respectively. Their small footprints, tens of microwatts output powers and sub-milliwatt thresholds introduce such rare-earth-doped microlasers as scalable light sources for silicon-based microphotonic devices and systems. © 2014 Optical Society of America.
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|a en
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|a Article
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|t 10.1364/OE.22.012226
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|t Optics Express
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