Measurement of χ(2) symmetry in a poled fiber

Eric Y. Zhu, Li Qian, L. G. Helt, Marco Liscidini, J. E. Sipe, Costantino Corbari, Albert Canagasabey, Morten Ibsen, Peter G. Kazansky

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


We measure the values of individual χ(2) tensor components in a birefringent periodically poled silica fiber through spectrally separated type I and type II second-harmonic generation. We demonstrate that the χ(2) tensor symmetry is consistent with that of χ(2) in silica and thereby provide experimental evidence that this χ(2) originates from a χ(3) process.

Original languageEnglish
Pages (from-to)1530-1532
Number of pages3
JournalOptics Letters
Issue number10
Publication statusPublished - 15 May 2010
Externally publishedYes


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