Eye diagram improving method for laser transmitter

Details Eye diagram improving method for laser transmitter Eye diagram improving method for laser transmitter

2007-05-15

2007-05-15

Nguyen, Dung T. (Department: 2828)

Coherent light generators

Particular beam control device

Having particular beam control circuit component

C372S038020, C372S038070

Reexamination Certificate

active

11205633

ABSTRACT:
A method for calibrating a laser transmitter includes (a) detecting an eye diagram of an output from the laser transmitter, (b) determining if the eye diagram is acceptable, (c) if the eye diagram is not acceptable, changing a value of a control signal in the laser transmitter, wherein the control signal sets an amplitude characteristic of a limiting amplifier coupled to a laser driver in the laser transmitter, and (d) repeating steps (a), (b), and (c) until the eye diagram is acceptable.

REFERENCES:
patent: 6532245 (2003-03-01), Paschal et al.
patent: 6570394 (2003-05-01), Williams
patent: 2004/0031272 (2004-02-01), Mecherle et al.
patent: WO 03/069378 (2003-08-01), None
German Office Action, Nov. 2, 2005, Application No. 10 2004 023 825.1-35 (8 pages).
English Translation of German Office Action, dated Nov. 2, 2005, Application No. 10 2004 023 825.1-35, (6 pages).
D.S. McPherson et al., “A 3-V Fully Differential Distributed Limiting Driver for 40 Gb/s Optical Transmission Systems,” 2002 IEEE GaAs Digest, pp. 95-98.

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