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- W2092154503 abstract "We report the fabrication and performance characteristics of InGaAsP ridge waveguide lasers with multiquantum well (MQW) active layers emitting near 1.55 μm. The active region has four active wells (1.55 μm InGaAsP) and three barriers (1.3 μm InGaAsP). The thicknesses of the active wells and the barrier layers are ∼250 Å. The 360-μm-long lasers have threshold currents in the range 60–80 mA at 30 °C, external differential quantum efficiency ∼25% at 30 °C, and T0∼70 K. The modulation bandwidths of the lasers are ∼1.5 GHz and they exhibit less frequency chirping than similar lasers with conventional double heterostructure (DH) active layer. Since frequency chirp limits the performance of high bit rate long haul fiber communication system at 1.55 μm, we believe MQW lasers offer an advantage over conventional DH lasers." @default.
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- W2092154503 date "1985-03-15" @default.
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- W2092154503 title "Fabrication and performance characteristics of 1.55‐μm InGaAsP multiquantum well ridge guide lasers" @default.
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- W2092154503 doi "https://doi.org/10.1063/1.95579" @default.
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