H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/14 (2006.01) H04B 10/145 (2006.01) H04B 10/155 (2006.01)
Patent
CA 2056121
Disclosed is an optical transmitter operating on the DPSH-IM (direct phase-shift and self- homodyne intensity modulation) principle. The optical transmitter slightly amplitude-modulates the modulation current of a laser diode using a low frequency signal and detects the modulated component from the optical output. These features stabilize the operating point and improve the transmission waveform.
Fetherstonhaugh & Co.
Fujitsu Limited
LandOfFree
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