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We experimentally show that the pump frequency detuning strongly affects the efficiency of dispersive wave generation by cascaded four-wave mixing. We explain our results in terms of higher-order soliton compression of the input beat signal.
We theoretically and experimentally show that fiber-optic analogues of event horizons can be explained by cascaded four-wave mixing of monochromatic continuous waves. Experiments performed with pulsed and continuous wave lasers are in excellent agreement.
Nonlinear Bragg scattering, also known as wavelength exchange, is a non-degenerate four-wave-mixing process which has attracted considerable interest as means of noise-free quantum frequency translation [1, 2]. In elementary Bragg scattering two strong pumps at frequencies ω 1 and ω 2 =ω 1 +Δ mediate the sinusoidal exchange of energy between a weak signal at ω0 and an idler at ω1 = ω0 + Δ. The process...
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