Type II Sum Frequency Generation in Flux and Hydrothermally Grown KTP at 1.319 and 1.338 µm

Richard A. Stolzenberger, Chia Chen Hsu, Nasser Peyghambarian, John J.E. Reid, Robert A. Morgan

Research output: Contribution to journalArticle

27 Scopus citations


Type II noncritically phase matched sum frequency generation by mixing of the 1.319 and 1.338 µm lines of a Q-switched Nd:YAG laser with their second harmonics is demonstrated. Results are presented for KTP crystals grown by both the hydrothermal and the flux technique. A temperature acceptance width-length product of 8.5 ± 0.5°C.cm was determined. Type II critical phase matching at room temperature, for three different propagation/polarization orientations, is also demonstrated. The differences in the angles required for phase matching between crystals grown by the different techniques are quantified.

Original languageEnglish (US)
Pages (from-to)446-448
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number12
StatePublished - Dec 1989


ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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