Calculation of the changes in the absorption and refractive index for intersubband optical transitions in a quantum box | Zendy

Karabulut İ. | Zendy; Ünlü S. | Zendy; Şafak H. | Zendy

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Calculation of the changes in the absorption and refractive index for intersubband optical transitions in a quantum box

Author(s) -

Karabulut İ.,

Ünlü S.,

Şafak H.

Publication year - 2005

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.200541093

Subject(s) - refractive index , absorption (acoustics) , intensity (physics) , optics , density matrix , quantum well , step index profile , quantum , optoelectronics , materials science , physics , quantum mechanics , laser , optical fiber , fiber optic sensor , graded index fiber

Analytic forms of the changes of the absorption and refractive index associated with intersubband optical transitions in a quantum box are obtained by using the compact density matrix approach. Numerical results are presented for a typical AlGaAs/GaAs quantum box system. The linear, third‐order nonlinear, and total refractive‐index and absorption changes are examined as a function of the incident optical intensity. The results obtained show that the incident optical intensity has a great effect on the total absorption and refractive‐index changes. (© 2005 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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