Abstract:Carrier heating in conventional quantum well lasers can lead to several deleterious effects and are related to the transport and thermalization characteristics of injected carriers. The properties of a quantum well laser in which the electrons are directly transported to the lasing subband by tunneling is described here. The resulting de vice -a tunnel injection laser -is shown to have negligible gain compression, superior high-temperature performance, lower Auger recombination and wavelength chirp, and better… Show more
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