Electro-absorption modulation of optical signals

Details Electro-absorption modulation of optical signals Electro-absorption modulation of optical signals

2004-08-12

2008-12-16

Li, Shi K (Department: 2613)

Optical communications

Transmitter

Including compensation

Reexamination Certificate

active

07466927

ABSTRACT:
A signal having positive and negative going transitions drives an electro-absorption modulator. The signal is shaped into a waveform having an average value and first wave segments, each derived in response to a positive going transition. Each first wave segment is followed immediately by a second wave segment. Third wave segments are derived in response to each negative going transition. Each third segment is followed immediately by a fourth wave segment. Each first segment has a first magnitude and polarity relative to the average. Each second segment has a second magnitude relative to the average and the first polarity. Each third segment has a third magnitude relative to the average and a second polarity relative to the average. Each fourth wave segment has a fourth magnitude relative to the average and the second polarity. The first and third magnitudes are respectively greater than the second and fourth magnitudes.

REFERENCES:
patent: 6687466 (2004-02-01), Chiappetta
patent: 7209669 (2007-04-01), Kang et al.
patent: 2004/0042801 (2004-03-01), Wedding
patent: 0741316 (1993-02-01), None

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