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- W4220853811 abstract "Increased modulation speed in quantum-dot lasers is possible by means of a tunnel-injection design. The concept was introduced to improve the dynamical properties of semiconductor lasers by avoiding the problem of hot carrier injection, which increases the gain nonlinearity thereby limiting the modulation capabilities. Cold carriers are efficiently provided via an injector quantum well that is tunnel coupled to excited QD states. We study the ultrafast carrier population dynamics in tunnel-injection lasers by comparing LO-phonon-assisted tunneling processes and Coulomb-scattering-assisted processes." @default.
- W4220853811 created "2022-04-03" @default.
- W4220853811 creator A5006319950 @default.
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- W4220853811 date "2022-03-07" @default.
- W4220853811 modified "2023-09-29" @default.
- W4220853811 title "Ultrafast carrier dynamics in tunnel-injection quantum-dot lasers" @default.
- W4220853811 doi "https://doi.org/10.1117/12.2610679" @default.
- W4220853811 hasPublicationYear "2022" @default.
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