Optical transmitter

H - Electricity – 04 – B

Patent

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Details

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.

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