Triple minimum dispersion wavelengths for a high NA single-mode

Details Triple minimum dispersion wavelengths for a high NA single-mode Triple minimum dispersion wavelengths for a high NA single-mode

1981-04-13

1983-09-06

Moore, David K.

65 311, G02B 514

Patent

active

044025700

ABSTRACT:
Single-mode, step-index optical fibers can be fabricated which enable the deband long-distance duplex transmission of data at 1.3 .mu.m and 1.55 .mu.m, where attenuation and dispersion are both minimized. The appropriate index difference between the core and cladding materials and the dimensions of the core diameter are identified and selected to achieve minimum total dispersion at three discrete wavelengths in the single-mode, step-index fibers. The three minimum total dispersion wavelengths results from a cancellation between the material and waveguide dispersions which is owed to the proper selection of the parameters.

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