Manifestation of weak localization and long-range correlation in disordered wave functions from conical second harmonic generation

Yung-Fu Chen*, Kuan-Wei Su, T. H. Lu, Kai-Feng Huang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

We experimentally demonstrate that the near-field patterns of conical second harmonic generation of a laser in random domain structures can be used to explore the spatial structure of two-dimensional disordered wave functions with weak localization. The statistics of the experimental near-field patterns agree very well with the theoretical distributions. In addition to the short-range correlation, the localization effects are found to contribute a nearly constant value to the long-range correlation. The result of this Letter also confirms the possibility of using conical second harmonic generation as a diagnostic tool for topographical characterization of crystals.

Original languageEnglish
Article number033905
JournalPhysical Review Letters
Volume96
Issue number3
DOIs
StatePublished - 27 Jan 2006

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