Study of optical properties in a cubic quantum dot

R. Khordad; G. Rezaei; B. VaseghiF. TaghizadehH. Azadi Kenary

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Study of optical properties in a cubic quantum dot

机译：Study of optical properties in a cubic quantum dot

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In this paper, the effect of hydrostatic pressure on both the intersubband optical absorption coefficients and the refractive index changes is studied for typical GaAs/Al_xGa_(1-x)As cubic quantum dot.We use analytical expressions for the linear and third-order nonlinearintersubband absorption coefficients and refractive index changes obtained by the compactdensity matrix formalism. The linear, third-order nonlinear, and total intersubband absorption coefficients and refractive index changes are calculated at different pressures as a function of the photon energy with known values of box length (L), the incident optical intensity (I ), and Al concentration (x). According to the results obtained from the present work, we have found that the pressure plays an important role in the intersubband optical absorption coefficient and refractive index changes in a cubic quantum dot.

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来源
《Optical and Quantum Electronics》 |2010年第10期|587-600|共14页
作者
R. Khordad; G. Rezaei; B. VaseghiF. TaghizadehH. Azadi Kenary;
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作者单位

Department of Physics, College of Sciences, Yasouj University, 75914-353 Yasouj, Iran;

Department of Mathematics, College of Sciences, Yasouj University, 75914-353 Yasouj, Iran;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类光学;
关键词
Intersubband absorption; Refractive index change; Quantum dot; Linear and nonlinear optical properties;

Study of optical properties in a cubic quantum dot

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