Method and circuit for measuring the optical modulation...

Details Method and circuit for measuring the optical modulation... Method and circuit for measuring the optical modulation...

2005-06-14

2005-06-14

Harvey, Minsun Oh (Department: 2828)

Coherent light generators

Particular component circuitry

C372S038010, C372S038020, C372S038030, C372S038040, C372S038050, C372S038060, C372S038070, C372S038080, C372S038090, C372S023000, C372S031000

Reexamination Certificate

active

06907055

ABSTRACT:
A method and circuit for measuring the optical modulation amplitude in the operating region of a laser diode is described. The method utilises two measurements of OMA, each measurement being related to the slope in a specific portion of the operating region of the power/current characteristic curve of the laser diode. By combining the two measurement values, the invention provides a 1 measurement for OMA in the operating region of the laser diode that allows for the presence of a non-linear response in the region.

REFERENCES:
patent: 5208513 (1993-05-01), Murayama
patent: 5212700 (1993-05-01), Okita
patent: 5247532 (1993-09-01), Levinson
patent: 5257202 (1993-10-01), Feddersen et al.
patent: 5479424 (1995-12-01), Sakuyama
patent: 5850409 (1998-12-01), Link
patent: 6574124 (2003-06-01), Lin et al.
patent: 2002/0191261 (2002-12-01), Notargiacomo et al.
patent: 2003/0035451 (2003-02-01), Ishida et al.

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