Optical waveguides – Having nonlinear property
Reexamination Certificate
2006-02-28
2006-02-28
Font, Frank G. (Department: 2883)
Optical waveguides
Having nonlinear property
C385S123000, C385S124000, C385S126000, C385S127000, C385S128000
Reexamination Certificate
active
07006742
ABSTRACT:
A highly nonlinear optical fiber includes a core, a cladding surrounding the core, and a coating covering the cladding. A bending loss at a wavelength of 1550 nanometers with a bending diameter of 20 millimeters is equal to or less than 0.01 dB/m. A nonlinear coefficient at the wavelength of 1550 nanometers is equal to or more than 10 W−1km−1. A cut-off wavelength is equal to or less than 1530 nanometers. A zero dispersion wavelength is in a range between 1400 nanometers and 1650 nanometers. A diameter of the coating is 125 micrometers with a tolerance of ±5 percent.
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Hiroishi Jiro
Sugizaki Ryuichi
Takahashi Masanori
Taniguchi Yuki
El-Shammaa Mary
Font Frank G.
The Furukawa Electric Co. Ltd.
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