Coupled Parametric Downconversion and Upconversion with Simultaneous Phase Matching
- 31 August 1970
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 25 (9), 605-608
- https://doi.org/10.1103/physrevlett.25.605
Abstract
A two-step nonlinear optical interaction consisting of the spontaneous parametric downconversion and upconversion processes with simultaneous phase matching has been observed in ammonium dihydrogen phosphate. The spontaneous emission associated with upconversion in nonlinear optics is measured for the first time and found to be in reasonable agreement with theoretical estimates.Keywords
This publication has 4 references indexed in Scilit:
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- Up-Conversion of Near Infrared to Visible Radiation in Lithium-meta-NiobateJournal of Applied Physics, 1967
- The effects of phase matching method and of uniaxial crystal symmetry on the polar distribution of second-order non-linear optical polarizationBritish Journal of Applied Physics, 1965
- Refractive Indices of Ammonium Dihydrogen Phosphate and Potassium Dihydrogen Phosphate between 2000 Å and 15 μJournal of the Optical Society of America, 1964