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CW fibre optical parametric amplifier with net gain and wavelength conversion efficiency > 1

CW fibre optical parametric amplifier with net gain and wavelength conversion efficiency > 1

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The authors have measured a signal gain of 5 dB and idler conversion efficiency of 4 dB in a CW fibre optical parametric amplifier. The broadening of the idler spectrum resulting from pump dithering used to suppress SBS is observed, and a means to eliminate it is proposed.

Inspec keywords: optical frequency conversion; optical parametric amplifiers; optical communication equipment; optical fibre communication

Other keywords: 5 dB; optical parametric amplifier; wavelength conversion efficiency; CW fibre; signal gain; pump dithering; idler conversion efficiency

Subjects: Fibre optics; Optical communication; Nonlinear optics and devices

References

    1. 1)
      • T.K. Fong , D.J.M. Sabido , R.F. Kalman , M. Tabara , L.G. Kazovsky . Linewidth-insensitive coherent AM optical links: design, performance,and potential applications. J. Lightwave Technol. , 3 , 526 - 534
    2. 2)
      • M. Artiglia , E. Ciaramella , B. Sordo . Using modulation instability to determine Kerr coefficient in opticalfibres. Electron. Lett. , 12 , 1012 - 1013
    3. 3)
      • S. Watanabe , T. Chikama . Highly efficient conversion and parametric gain of nondegenerate forwardfour-wave mixing in a singlemode fibre. Electron. Lett. , 2 , 163 - 164
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