Theory shows that the maximum gain and bandwidth of one-pump fiber optical parametric amplifiers made from high-nonlinearity fiber, operated with a pump wavelength \lambda_p far from the fiber zero-dispersion wavelength \lambda_0, can greatly be improved by periodic dispersion compensation. We have performed experiments and obtained good agreement with theory: for \lambda_p=1542 and \lambda_0=1591 nm, we have increased the bandwidth from 7 to 28 nm, and the maximum gain from 15 to 20 dB, by splicing three pieces of standard fiber at regular intervals in a 40-m long nonlinear fiber.


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  1. M. E. Marhic, N. Kagi, T.-K. Chiang, and L. G. Kazovsky, "Broadband fiber optical parametric amplifiers," Opt. Lett., vol. 21, pp. 573-575, 1996.
  2. K. Inoue, "Arrangement of fiber pieces for a wide wavelength conversion range by fiber four-wave mixing," Opt. Lett., vol. 19, pp. 1189-1191, 1994.

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