Bend-induced loss for the higher-order spatial mode in a dual-mode fiber

Abstract

Measured loss for the LP₁₁ mode in a dual-mode fiber subjected to a uniform bend shows a strong dependence on the orientation of the mode-field pattern relative to the plane of the fiber bend. Wavelength and bend-radius dependence of the loss indicates that operation within ~40 nm of cutoff is feasible in dispersion compensators based on dual-mode fibers operated in the LP₁₁ spatial mode near cutoff.

© 1993 Optical Society of America

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