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Systematic analysis of wavelength conversion in a fiber optical parametric device with a single, tunable pump

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We present an experimental study of a systematic design procedure for achieving high bandwidth wavelength conversion with low ripple in a fiber parametric device with a single tunable pump. We find good agreement with established theory. Fourth order dispersion and fluctuations in the zero-dispersion wavelength have little effect on final conversion bandwidth. Strategies for ripple reduction and pump filtering in a practical device are proposed.

©2004 Optical Society of America

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Figures (3)

Fig. 1.
Fig. 1. Experimental setup for one pump parametric wavelength conversion. Att.: attenuation. Other abbreviations are explained in the text.
Fig. 2.
Fig. 2. (a) Animation of OSA traces (blue) showing power in pump (λp ), signal (λs ), converted (λc ), cascaded signal (λcts ) and cascaded idler (λcti ) wavelengths for different input λs . Black crosses trace the power in λc . (b) Conversion efficiency (black) as a function of λs . Pink x indicates the conversion efficiency for the current frame shown in a). Pp =1.68 W and λp =1551 nm. Other experimental conditions are described in Section 2.[1421 KB]
Fig. 3.
Fig. 3. (a) Contours of ηcmin for different pump powers and wavelengths. Contours have been scaled by Pp1/2 . (b) Theoretical (line) and experimental (points) peak conversion efficiency ηcmax (solid line and crosses), Ripple (dashed line and circles) and conversion bandwidth (dash-dot line and triangles) data as a function of pump power Pp .

Equations (3)

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ω s = ω p ± K γ P p β 3 ( ω 0 ω p ) ,
Δ λ = λ 0 2 π c ( 4 γ P p β 3 ) 1 3 .
R = ( sinh ( γ P p L ) γ P p L ) 2 ,


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