System and method for generating supercontinuum light
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United States of America Patent
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Issued Date -
Nov 30, 2006
app pub date -
Jan 20, 2006
filing date -
Jan 21, 2005
priority date (Note) -
Abandoned
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Abstract
A supercontinuum light source includes a modulated pump laser, a first fiber, and a nonlinear waveguide. The modulated pump laser generates light comprising longer pulses, where a longer pulse has a temporal duration of approximately ten picoseconds or more. The first fiber breaks at least one longer pulse into shorter pulses, where a shorter pulse has a temporal duration of approximately two picoseconds or less. The first fiber at least partially operates in an anomalous group velocity dispersion regime, and the shorter pulses result from a modulational instability in the first fiber. The nonlinear waveguide spectrally broadens the shorter pulses to yield supercontinuum light, where the supercontinuum light has a spectral width of approximately 150 nanometers or more.
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