Small-core silica holey fibers: nonlinearity and confinement loss trade-offs
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(Published version)
Date
2003
Authors
Finazzi, V.
Monro, T.
Richardson, D.
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Journal article
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Journal of the Optical Society of America B: Optical Physics, 2003; 20(7):1427-1436
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Vittoria Finazzi, Tanya M. Monro, and David J. Richardson
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Abstract
Holey fibers with small-core dimensions relative to the optical wavelength and large air-filling fractions offer tight mode confinement and are therefore attractive for highly nonlinear fiber applications. We investigated the role of confinement loss in these small-core fibers to optimize the design of practical highly nonlinear fibers. We found that silica holey fibers can exhibit effective nonlinearities as great as 52 W−1 km−1 and that the confinement loss can be less than the losses of standard fiber types. We show that the dispersive properties of some of the designs are suitable for a range of device applications.
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© 2003 Optical Society of America