Abstract:
The dependence of the mode optical gain on current in InAs/InGaAs quantum-dot structures grown by the method of molecular-beam epitaxy is obtained from the experimental study of ultra-low-threshold laser diodes. The record lowest inversion threshold at room temperature was about 13 A cm2. A theoretical model is proposed that relates the optical gain to the ground-state transitions in quantum dots. The effective gain cross section is estimated to be ~7 × 10–15 cm–2.
Citation:
P. G. Eliseev, H. Li, G. T. Liu, A. Shtints, T. C. Newell, L. E. Lester, K. J. Malloy, “Optical gain in InAs/InGaAs quantum-dot structures: Experiments and theoretical model”, Kvantovaya Elektronika, 30:8 (2000), 664–668 [Quantum Electron., 30:8 (2000), 664–668]
Linking options:
https://www.mathnet.ru/eng/qe1787
https://www.mathnet.ru/eng/qe/v30/i8/p664
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