300 ps switching of spontaneous emission by quantum confined fieldeffect in a light emitting triode |
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Authors: | Ohnishi T. Mukaiyama K. Yamanishi M. Ochi N. Ono Y. Kan Y. Ishikawa H. Suemune I. |
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Affiliation: | Dept. of Phys. Electron., Hiroshima Univ.; |
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Abstract: | A high-speed switching, as fast as 300 ps, of spontaneous emission is achieved in the recently developed quantum-confined field-effect light emitting triode. As a result of the combination of the field control of radiative life time with modulation of carrier-generation rate, the light intensity modulation does not rely on changes in carrier population at all but on the field control of the radiative life time in the quantum well structure of the device. Elaborated is the allowance for the deviation of the modulation depth of injection current from an optimum value in the modulation scheme |
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