Efficient sequence-frequency generation in a parametric fiber-optic oscillator

Abstract
An optical fiber parametric oscillator pumped by 1.06‐μm radiation and emitting light in a sequence of five wavelengths is reported. The oscillation wavelengths are approximately equispaced in energy and span the interval from 0.52 to 1.63 μm. A conversion efficiency of 25% for the pump frequency into the other frequencies is obtained. Other sequences with up to nine upconverted wavelengths in the same interval have also been observed.

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