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In this work, total (linear and nonlinear) optical absorption from InTl1−xSbx QD structures was studied. It is shown that these Tl-based QD structures have high absorption at long wavelengths. Nonlinear absorption at high power levels was preferred

Externí odkaz: https://doaj.org/article/15a48d7f603c43c195d55c270e25b664

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Akademický článek

Four-wave mixing in quantum dot SOAs: Theory of carrier heating

Autor: Flayyih, Ahmed H., Al-Shatravi, Ali Gehad, Al-Khursan, Amin H.

Publikováno v: In Results in Physics 2017 7:1339-1345

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Akademický článek

Measurement of Plasma Parameters by using Nitrogen gas

Autor: Ali Gehad Al- Shatravi

Publikováno v: مجلة علوم ذي قار, Vol 4, Iss 4 (2019)

In this work the diode planer magnetron sputtering device was used. This device consists from two alumina disc (8cm) diameter and (5mm) thick. The distance between two electrodes is 2cm, 3cm, 4cm and 5cm. Design and construction double probe made fro

Externí odkaz: https://doaj.org/article/9eec771054804bf8ac1ec93055cda8d9

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Akademický článek

Four-wave mixing in quantum dot SOAs: Theory of carrier heating

Autor: Ahmed H. Flayyih, Ali Gehad Al-Shatravi, Amin H. Al-Khursan

Publikováno v: Results in Physics, Vol 7, Iss , Pp 1339-1345 (2017)

Carrier heating (CH) theory in a four-wave mixing quantum dot structure has been investigated. The impact of wetting layer (WL) carrier density, CH time constant, effective intraband relaxation time have been examined. The derived heat capacity for Q

Externí odkaz: https://doaj.org/article/72f230382fab44f2a4dfda97e87e6d6a

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