Second harmonic generation in periodically polarity-inverted zinc oxide

Jinsub Park, Yayo Yamazaki, Masanobu Iwanaga, Heonsu Jeon, Takumi Fujiwara, Takafumi Yao

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


We report on the second harmonic generation (SHG) in 2D periodically polarity-inverted (PPI) ZnO heterostructures. The grating structures with nanometer-scale periodicity are fabricated on (0001) Al2O3 substrates by using the in situ polarity inversion method. The achievements of SHG with grating in fabricated PPI ZnO structures are demonstrated under consideration of quasi phase matching conditions. In general, grating formation using the this periodical array of differnet polar surface can be extended to the other heteroepitaxial systems with polarity characteristics.

Original languageEnglish
Pages (from-to)7851-7856
Number of pages6
JournalOptics Express
Issue number8
Publication statusPublished - 2010 Apr 12


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