Amplitude optical modulator using a two-electrode DFB laser structure
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United States of America Patent
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Feb 20, 1996
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N/A
app pub date -
Mar 21, 1994
filing date -
Mar 29, 1993
priority date (Note) -
Expired
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Abstract
An amplitude optical modulator which utilizes a two-electrode DFB laser structure. The amplitude optical modulator includes a current generator which can modulate at least one of two currents injected into the DFB laser structure. This modulation displaces a spontaneous emission peak of the DFB laser structure, which leads to an amplitude modulation of the injected optical beam. Such an amplitude optical modulator may find particular application in an optical telecommunications system.
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