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- W1997585890 abstract "We illustrate the benefits of strained layer structures for long wavelength lasers by considering a laser with 35Å InAs wells in GaAs. The lasing wavelength is close to 1.55μm. The built-in strain ensures that the highest hole band has a low effective mass over more than 3kT at room temperature, with the zone centre hole mass mh = .112. The reduced effective mass leads to the virtual elimination of the two major loss mechanisms in 1.55μm lasers, namely intervalence band absorption and Auger recombination. A threshold current density of Jth = 150 A cm-2 and a To of 120K can be achieved in a separate confinement laser with 3 wells. We conclude that a low threshold current, high efficiency, high To laser can be achieved in a suitable strained layer structure." @default.
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- W1997585890 date "1987-09-22" @default.
- W1997585890 modified "2023-09-27" @default.
- W1997585890 title "Proposal For A Low Threshold Current Long Wavelength Strained Layer Laser" @default.
- W1997585890 doi "https://doi.org/10.1117/12.941185" @default.
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