Abstract
We report the observation of visible photoluminescence in the amorphous SixC1-x(H) alloy system. The spectrum consists of two bands one of which shifts linearly with x. For x=0.4 the princip...
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Uploaded: Publication Date: May 1978
Abstract
Multi quantum well (MQW) heterostructures in the GaP-based dilute nitride Ga(NAsP) were pseudomorphically grown on exact oriented (001) Silicon substrates without the formation of misfit dis...
Abstract
The pulse response of an optically excited vertical-cavity surface-emitting laser is optimized by shaping the pump pulse. The temporal phase and amplitude of the excitation are adjusted by a...
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Uploaded: Publication Date: Oct 2006
Abstract
We experimentally investigate the characteristics of light emission of optically excited Ga(NAsP) multiple quantum-well structures grown pseudomorphically on a GaP substrate by metal-organic...
Abstract
Kinetics of the energy transfer and the corresponding photoluminescence decay at selected photon energies in disordered semiconductors are studied theoretically. The authors show a straightf...
Abstract
Transient gain measurements are performed for (GaIn)As quantum well structures. Gain up to gL=2×10-3 per quantum well is observed on a time scale of several hundred picoseconds. A microscopi...
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Uploaded: Publication Date: Jun 2007