Relation between the Second-harmonic Intensity and Structural Parameters in Asymmetric Coupled Quantum Wells

[in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]; [in Chinese]

Journals >Chinese Journal of Lasers >Volume 28 >Issue 8 >Page 739 > Article

Chinese Journal of Lasers
Vol. 28, Issue 8, 739 (2001)

Relation between the Second-harmonic Intensity and Structural Parameters in Asymmetric Coupled Quantum Wells

[in Chinese]¹, [in Chinese]^1、2, [in Chinese]¹, [in Chinese]¹, [in Chinese]¹, and [in Chinese]¹

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¹[in Chinese]

²[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Relation between the Second-harmonic Intensity and Structural Parameters in Asymmetric Coupled Quantum Wells[J]. Chinese Journal of Lasers, 2001, 28(8): 739 Copy Citation Text

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Abstract

The nonlinear optical characteristics in asymmetric coupled Zn 1-x Cd xSe/ZnSe quantum wells have been investigated by using the reflective second harmonic generation (SHG) measurement technique. It is found that the SHG signal is enhanced in the interwell coupling, and the SHG intensity decreases with increasing x. The dependence of the SHG intensity (p in /p out, p in /s out) in the asymmetric coupled quantum wells on the incident polarization angle is also observed.

Keywords

interwell coupling effects second harmonic generation asymmetric quantum wells

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