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Article Dans Une Revue Physica E: Low-dimensional Systems and Nanostructures Année : 2006

Modeling of a quantum cascade laser operating at 1 THz

Résumé

A design of a quantum cascade laser operating at 1 THz is proposed and studied by means of ensemble Monte Carlo simulation. Starting from a resonant-phonon structure working at 2.1 THz [B. Williams, S. Kumar, Q. Hu, J. Reno, Electron. Lett. 40 (7) (2004) 431], a refinement is proposed in order to reduce the lasing frequency. Schrödinger–Poisson calculations show that frequency as low as 1 THz can be reached, by adjusting the AlGaAs barrier heights. Moreover, our Monte Carlo simulation predicts a significant population inversion.

Dates et versions

hal-00128184 , version 1 (31-01-2007)

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Olivier Bonno, Jean-Luc Thobel, François Dessenne. Modeling of a quantum cascade laser operating at 1 THz. Physica E: Low-dimensional Systems and Nanostructures, 2006, 33 (1), pp.13-16. ⟨10.1016/j.physe.2005.07.020⟩. ⟨hal-00128184⟩
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