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Updated: Jan 20, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Parametric interaction of gravity-capillary wave triads under radiation pressure of ultrasound
Leonid Krutyansky1, Vladimir Preobrazhensky1, Dmitrii Makalkin1
1Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., 119991 Moscow, Russia; Joint International Laboratory LIA LICS, France-Russia.
Abstract:
Nonlinear parametric coupling of gravity-capillary waves (GCW) by ultrasound wave impinging on a liquid surface is studied experimentally. Modulation of the plane wave radiation pressure by dynamically curved surface of the liquid is considered as a mechanism of the coupling. The standing GCW modes are excited near antinodes by ultrasound beam of carrier frequency 1.030 MHz and coupled parametrically by a plane ultrasound wave with a frequency 1.035 MHz. The beam was modulated at resonance frequencies of GCW overtones f2=5.265 Hz and f4=7.873 Hz while intensity of the plane wave was modulated at frequency fp=2.657 Hz that corresponds to the nonlinear parametric resonance fp=2f2-f4. The amplitudes of the parametric interaction of GCW triads are measured and compared with critical condition for GCWs explosive instability.
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