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- W2034782229 abstract "We present data on strong carrier-induced antiguiding present in strained-layer InGaAs-GaAs-AlGaAs lasers. We calculate a value of 12.9 for the Petermann K factor, and a corresponding antiguiding factor of b=6.4. The magnitude of the carrier-induced index depression in the well is estimated to range with drive current from 0.032 to 0.41. In all cases, the antiguiding is much stronger than reported for similar GaAs-AlGaAs lasers. In addition, we show that emission from short cavity devices occurs from two distinct transitions, with emission from the GaAs barriers contributing a single peak to the far field, and emission from the InGaAs well contributing two lobes. The result is a three-lobed far-field pattern at laser threshold of the GaAs barrier emission." @default.
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- W2034782229 date "1991-01-01" @default.
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- W2034782229 title "Antiguiding in narrow stripe gain-guided InGaAs-GaAs strained-layer lasers" @default.
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- W2034782229 doi "https://doi.org/10.1063/1.347656" @default.
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