Optical fibers and optical fiber devices with total dispersion greater than material dispersion
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United States of America Patent
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May 29, 2012
Grant Date -
Jan 21, 2010
app pub date -
Jun 20, 2008
filing date -
Mar 4, 2006
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Abstract
Disclosed are optical fiber devices incorporating optical fibers with total dispersion greater than material dispersion, and with preferred dispersion values less than +50 ps/nm-km. The desired dispersion values are obtained when light resides substantially in a single higher order mode (HOM) of the fiber, typically the LP02 mode. The optical fibers also preferably have substantial separation between the effective indices of the HOM and any other mode.
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