Microscopic Theory of Second Harmonic Generation at the Si(100) 2 × 1 Surface

Subject classification: 78.68.+m; S5.11 The polarizable bond model (PBM) is used to study second harmonic generation (SHG) from a Si(111) : H ð1 Â 1Þ surface. The PBM is driven by the local-field interaction among the polarizable entities that make up the system. We show that the Si-H bond can be used to obtain a theoretical SHG spectrum in qualitative agreement with experimental data, for the resonant E 1 bulk critical point of Si, and that SHG can be strongly modified by changing the position of the centroid of the Si back bonds in this surface.

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Microscopic Theory of Second Harmonic Generation at the Si(100) 2 × 1 Surface

Cited by 6 publications

References 20 publications

Ab-Initio Calculation of the Optical Properties of Surfaces

Ab-Initio Calculation of the Optical Properties of Surfaces

Energy Exchange in Second-Order Nonlinear Optics in Centrosymmetric Media

Polarizable-Bond Model for Surface Second-Harmonic Generation at Si(111):H (1 � 1)

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