Theoretical analysis of cerenkov second harmonic generation in proton exchanged c-cut MgO:LiNbO3optical waveguides

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

Journals >Acta Optica Sinica >Volume 13 >Issue 6 >Page 520 > Article

Acta Optica Sinica
Vol. 13, Issue 6, 520 (1993)

Theoretical analysis of cerenkov second harmonic generation in proton exchanged c-cut MgO:LiNbO₃optical waveguides

[in Chinese], [in Chinese], [in Chinese], [in Chinese], and [in Chinese]

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[in Chinese]

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[in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Theoretical analysis of cerenkov second harmonic generation in proton exchanged c-cut MgO:LiNbO₃optical waveguides[J]. Acta Optica Sinica, 1993, 13(6): 520 Copy Citation Text

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Abstract

By using coupled-mode equation, the formula for conversion efficiency of Cerenkov second harmonic generation (CSHG) is deduced in this paper. It can be concluded from the analysis that the conversion efficiency of CSHG is determined mainly by overlap integral and an effective method for the enhancement of conversion efficiency is proposed. The measured conversion efficiency in the CSHG experiment using Nd:YAG laser is approximately 1% and it can be enhanced to 1.3% by increasing the cover refractive index of the waveguide. The experimental results are in good agreement with the theoretical prediction.

Keywords

second harmonic generation conversion efficiency

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