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Enhancement of third-harmonic generation in a polymer-dispersed liquid-crystal grating

  • Przemyslaw P. Markowicz
  • , Vincent K.S. Hsiao
  • , Hanifi Tiryaki
  • , Alexander N. Cartwright
  • , Paras N. Prasad
  • , Ksenia Dolgaleva
  • , Nick N. Lepeshkin
  • , Robert W. Boyd
  • SUNY Buffalo
  • University of Rochester

Research output: Contribution to journal › Article › peer-review

21 Scopus citations

Abstract

We report the observation of significant enhancement of one-step third-harmonic generation in a one-dimensional photonic crystal pumped by a near-infrared laser beam tuned to the low-frequency edge of the first photonic band gap. The third-harmonic phase matching can be controlled by changing the angle of incidence of the fundamental radiation, allowing tunability of the third-harmonic wavelength. The observed phenomenon was modeled theoretically using the transfer-matrix method. The enhancement is attributed to the combined action of phase-matching between the pump and harmonic waves and pump-field localization within the photonic crystal.

Original languageEnglish
Article number051102
JournalApplied Physics Letters
Volume87
Issue number5
DOIs
StatePublished - 2005

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