Narrow linewidth, stabilized semiconductor laser source
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United States of America Patent
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Dec 16, 1997
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N/A
app pub date -
Apr 30, 1996
filing date -
Apr 30, 1996
priority date (Note) -
Expired
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Abstract
A semiconductor laser source having a laser diode and a fiber Bragg grating is described. The laser diode has first and second facets from which output light is emitted. A first end of the fiber Bragg grating is located near the second facet to receive output light from the laser diode. The fiber Bragg grating has a very narrow linewidth about a selected wavelength and reflects output light in the selected narrow linewidth back into the laser diode through its second facet. The output light emitted from the first facet has a very narrow linewidth about the selected linewidth.
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