Gain control in nonlinear polarization amplifier stages
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United States of America Patent
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Oct 19, 2004
Grant Date -
Mar 20, 2003
app pub date -
Jul 1, 2002
filing date -
Dec 23, 1996
priority date (Note) -
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Abstract
A nonlinear polarization amplifier stage includes a gain medium operable, to receive a multiple wavelength optical signal. The amplifier stage also includes a pump assembly operable to generate at least one pump wavelength for introduction to the gain medium. The amplifier stage further includes a coupler operable to introduce the at least one pump wavelength to the gain medium to facilitate amplification of at least a portion of the multiple wavelength optical signal through nonlinear polarization. In one particular embodiment, at least a wavelength or an intensity of the at least one pump wavelength is manipulated to affect the shape of a gain curve associated with the multiple wavelength optical signal in the amplifier stage.
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