Spurious four-wave mixing in two-pump fiber-optic parametric amplifiers

We present an experimental study on four-wave mixing (FWM) between two signals within a two-pump fiber-optical parametric amplifier (2P-FOPA). We demonstrate that the intensity of FWM spurious tones depend strongly on the signal power and length of the nonlinear medium and present two regimes as a f...

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Bibliographic Details
Published in:IEEE photonics technology letters 2004-02, Vol.16 (2), p.434-436
Main Authors: Callegari, F.A., Boggio, J.M.C., Fragnito, H.L.
Format: Article
Language:English
Subjects:
Channels
Fiber nonlinear optics
Fiber optics
Four-wave mixing
Gain
Nonlinear optics
Optical attenuators
Optical crosstalk
Optical fiber amplifiers
Optical fiber polarization
Optical fibers
Optical pumping
Optical refraction
Parametric amplifiers
Pumps
Spectra
Wavelength division multiplexing
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Summary:We present an experimental study on four-wave mixing (FWM) between two signals within a two-pump fiber-optical parametric amplifier (2P-FOPA). We demonstrate that the intensity of FWM spurious tones depend strongly on the signal power and length of the nonlinear medium and present two regimes as a function of the pumps' power. We also compare the amounts of FWM as a function of channel spacing in the 2P-FOPA with or without pumps and show that the presence of parametric gain enhances FWM over a broad spectral range.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2003.823086