Ms. Hajar Noshad Profile

Hajar Noshad

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Proceedings Article | 5 March 2011 Paper

Amplification of light in InxGa1-xN/GaN semiconductor quantum dot without high intensity control fields

A. Soltany, A. Hajibadali, A. Soltani, H. Noshad, H. Asadpour

Proceedings Volume 7998, 79981J (2011) https://doi.org/10.1117/12.891261

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This study aims to designing quantum dot semiconductor optical amplifier (QD-SOA) by amplification without inversion technique in In_xGa_1-xN/GaN semiconductor quantum dot (nanostructure). To do this, eigen energies and their corresponding wave functions of a Y-type four-level atomic system were obtained by solving of Schrodinger- Poisson equations self-consistently (considering intersublevel transitions) in In_xGa_1-xN/GaN quantum dot. The principle of quantum optics to obtain dynamic property of quantum dot density matrix elements was employed and investigated the lasing without inversion (LWI) phenomenon in this quantum dot.

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