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Impact of pump OSNR on noise figure for fiber-optical parametric amplifiers

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7 Author(s)
Durecu-Legrand, A. ; Res. & Innovation Dept., Alcatel, Marcoussis, France ; Simonneau, C. ; Bayart, D. ; Mussot, A.
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Electrical measurements of the noise figure of a fiber-optical parametric amplifier are presented and compared with optical measurements. The transfer of pump noise by four-wave mixing was clearly demonstrated. A numerical model was developed to simulate the transfer of pump noise and validated by these measurements. Using this model, we determine, for practical systems, a minimum required pump optical signal-to-noise ratio of 65 dB.

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Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 6 )