Optical semiconductor device and method for controlling the same
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United States of America Patent
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Apr 19, 2005
Grant Date -
Oct 2, 2003
app pub date -
Jan 23, 2003
filing date -
Mar 29, 2002
priority date (Note) -
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Abstract
An optical semiconductor device includes an element in which a laser diode and an optical modulator are integrated, and a circuit that sets a common node of the laser diode and the optical modulator at a reference potential different from a ground potential and drives the laser diode and the optical modulator in opposite directions with respect to the reference potential.
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