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Stimulated emission and amplification coefficient for quantum dots arrays under optical pumping

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6 Author(s)
Andronov, A.A. ; Inst. for Phys. of Microstructures, Russian Acad. of Sci., Nizhny Novgorod, Russia ; Nozdrin, Yu.N. ; Okomel'kov, A.V. ; Vasiljev, A.P.
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Stimulated emission from quantum dots arrays has been observed under optical pumping. The emission has been observed from the ground state for electrons (λ ≈ 1.31 μm) and from two higher levels (λ ≈ 1.21 μm, 1.12 μm). The measured values of the amplification coefficient are rather high, up to 15 ÷ 17 cm-1. Procedure of the amplification coefficient measurements in the active media has been discussed.

Published in:

Laser and Fiber-Optical Networks Modeling (LFNM), 2010 10th International Conference on

Date of Conference:

12-14 Sept. 2010