Poling-induced structural change and second-harmonic generation in tellurite glasses

Katsuhisa Tanaka

doi:10.1117/12.517333

16 July 2003 Poling-induced structural change and second-harmonic generation in tellurite glasses

Katsuhisa Tanaka

Proceedings Volume 5061, International Symposium on Photonic Glass (ISPG 2002); (2003) https://doi.org/10.1117/12.517333
Event: International Symposium on Photonic Glass, 2002, Shanghai, China

Abstract

Poled TeO₂-based glass, i.e., tellurite glass, exhibits second-harmonic generation (SHG). We discuss the relationship between structural change brought about by thermal and optical poling and induced second-order nonlinearity in tellurite glasses. It is know that for thermal poling the SHG-active region caused by poling is restricted within a thin layer beneath the anode-side glass surface. The thermal poling-induced structural change such as variation of structural units and incorporation of impure species on the anode-side surface are confirmed for ZnO-TeO₂ and WO₃-TeO₂ glasses. On the other hand, for optical poling, change of valence state of vanadium is an important factor to induce SHG in vanadium-doped Nb₂O₅-TeO₂ glasses.

Citation Download Citation

Katsuhisa Tanaka "Poling-induced structural change and second-harmonic generation in tellurite glasses", Proc. SPIE 5061, International Symposium on Photonic Glass (ISPG 2002), (16 July 2003); https://doi.org/10.1117/12.517333

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