Current injection and recombination processes in asymmetric triple quantum well lasers

Alexander A. Afonenko; Valerii K. Kononenko; Ivan S. Manak

doi:10.1117/12.212510

19 June 1995 Current injection and recombination processes in asymmetric triple quantum well lasers

Alexander A. Afonenko, Valerii K. Kononenko, Ivan S. Manak

Proceedings Volume 2399, Physics and Simulation of Optoelectronic Devices III; (1995) https://doi.org/10.1117/12.212510
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

For lasers based on asymmetric quantum-well heterostructures comprising three different quantum wells and barrier layers with a complex potential profile, current carrier injection and radiation emitting processes have been considered. The analysis performed by using rate equations has shown that a regime of regular pulse generation at remote wavelengths is practicle. The radiation pulsation process is accompanied by oscillations of the carrier injection efficiency into quantum wells. At certain parameters of the laser structures it is possible to realize radiation bistable switching-on or the regime where relative powers at different wavelengths change with increasing the pump current. The injection efficiency has been determined by solving the Poisson equation and continuity conditions for electron and hole currents. Carrier tunneling through potential barriers between the quantum wells has been taken into account. Calculations have been performed for the GaAs - Al_xGa_{1- x}As system.

Citation Download Citation

Alexander A. Afonenko, Valerii K. Kononenko, and Ivan S. Manak "Current injection and recombination processes in asymmetric triple quantum well lasers", Proc. SPIE 2399, Physics and Simulation of Optoelectronic Devices III, (19 June 1995); https://doi.org/10.1117/12.212510

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