Abstract
We introduce a new figure of merit (FOM) including the input pump power limit associated with stimulated Brillouin scattering (SBS) for evaluation of the Kerr nonlinearity efficiency of optical fibers. The new FOM is expressed as (γ is a nonlinearity parameter, is effective length, and is the SBS threshold), while the conventional FOM is given by . Using the new FOM, we perform an efficiency comparison among four types of state-of-the-art nonlinear optical fiber: a -based nonlinear fiber, a silica-based holey fiber, a highly nonlinear dispersion-shifted fiber, and a conventional dispersion-shifted fiber. The -based nonlinear fiber is found to have the best Kerr nonlinearity efficiency owing to the superior nonlinear property of the glass compared with that of the silica.
© 2005 Optical Society of America
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