A new physical approach to understanding bend loss in optical fibers

J. D. Love; C. Durniak

doi:10.1117/12.703663

9 February 2007 A new physical approach to understanding bend loss in optical fibers

J. D. Love, C. Durniak

Proceedings Volume 6475, Integrated Optics: Devices, Materials, and Technologies XI; 64750P (2007) https://doi.org/10.1117/12.703663
Event: Integrated Optoelectronic Devices 2007, 2007, San Jose, California, United States

Abstract

A new approach to the physical description and quantification of bend loss in arbitrarily bent single-mode fibres is based on the coupling of the fundamental mode to cladding modes due solely to curvature change along the fibre. It is shown that there is an optimum bend design criterion that can reduce bend loss to almost arbitrarily low levels regardless of curvature provided only that the fibre coating index value is sufficiently smaller than that of the cladding index. This criterion has an analogy with the corresponding criterion for the design of approximately adiabatic single-mode depressed-cladding and W-fibres tapers.

Citation Download Citation

J. D. Love and C. Durniak "A new physical approach to understanding bend loss in optical fibers", Proc. SPIE 6475, Integrated Optics: Devices, Materials, and Technologies XI, 64750P (9 February 2007); https://doi.org/10.1117/12.703663

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