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8 October 2005Modelling of the laser dynamics of electrically pumped organic semiconductor laser diodes
The properties of electrically pumped organic laser devices are investigated by the self consistent numerical solution of the spatially inhomogeneous laser rate equations coupled to a drift-diffusion model for the electrons, holes and singlet excitons. By fully taking into account the effect of stimulated emission on the exciton population, we determine the spatial and temporal evolution of the photon density in organic multilayer structures. We apply the model to calculate laser threshold current densities and investigate transient phenomena like the delay of radiation onset. By performing systematic parameter variations, we derive design rules for potential organic laser diode structures.
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Christof Pflumm, Christian Karnutsch, René Boschert, Martina Gerken, Uli Lemmer, John deMello, Donal D.C. Bradley, "Modelling of the laser dynamics of electrically pumped organic semiconductor laser diodes," Proc. SPIE 5937, Organic Light-Emitting Materials and Devices IX, 59370X (8 October 2005);