Optical waveguides – Optical fiber waveguide with cladding
Patent
1998-11-03
2000-03-28
Ullah, Akm E.
Optical waveguides
Optical fiber waveguide with cladding
G02B 602
Patent
active
060441917
ABSTRACT:
A single-mode optical waveguide fiber designed to limit power penalty due to four wave mixing and a method of making the waveguide is disclosed. Variations in properties, e.g., radius or refractive index, of the waveguide fiber core provide a total dispersion which varies along the length of the waveguide. The algebraic sum of products of length times total dispersion is controlled to a pre-selected value for each waveguide fiber which makes up a system link Proper choice of total dispersion variation magnitude and sub-length results in a system link wherein a signal travels only short distances in waveguide portions having total dispersion near zero. However, the variation of the total dispersion provides a system link which has a pre-selected dispersive effect on the signal over a selected wavelength range. The dispersive effect on the signal can be chosen to be essentially zero. A number of techniques for fabricating DM fiber are also disclosed.
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Berkey George E.
Bhagavatula Venkata A.
Jones Peter C.
Keck Donald B.
Liu Yanming
Carlson Robert L.
Corning Incorporated
Krogh Timothy R.
Ullah Akm E.
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