Optical waveguide amplifier using a circulator and an optical signal reflective surface and method employing same
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United States of America Patent
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Issued Date -
Aug 21, 2003
app pub date -
Feb 21, 2002
filing date -
Feb 21, 2002
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Abandoned
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Abstract
An optical amplifier with integrated optical waveguide, pump source and other, optional components for amplifying an input optical signal. The amplifier includes a circulator and an optical signal reflective surface disposed at an end opposite an optical signal input receiving end of the waveguide which enables an optical signal to pass through the waveguide a second time exposing the optical signal to further amplification. The disclosed amplifier offers cost advantages and a higher gain without sacrificing other performance characteristics.
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