Multi-level optical data communication circuit

Details Multi-level optical data communication circuit Multi-level optical data communication circuit

2011-06-28

2011-06-28

Phan, Hanh (Department: 2613)

Optical communications

Transmitter

Having particular modulation

C398S182000, C398S183000, C398S192000, C398S193000, C398S196000, C398S197000, C398S198000, C375S286000, C375S287000, C375S316000, C375S317000, C375S213000, C375S213000, C375S213000, C375S213000, C385S088000, C385S089000, C385S092000, C385S093000

Reexamination Certificate

active

07970287

ABSTRACT:
A driver circuit is coupled to an optical waveguide transmitter. The driver circuit has a current generator that is in series with the transmitter, and a current robbing circuit is coupled to the transmitter. The current robbing circuit is to divert first and second amounts of current from the transmitter, in accordance with predetermined values of first and second bit streams, respectively, in which data is received to be transmitted. Other embodiments are also described and claimed.

REFERENCES:
patent: 7613400 (2009-11-01), Cheng et al.
patent: 2002/0167693 (2002-11-01), Vrazel et al.
patent: 2003/0030873 (2003-02-01), Hietala et al.

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