Optical transmission module

Details Optical transmission module Optical transmission module

2006-04-25

2006-04-25

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular component circuitry

For driving or controlling laser

C372S038100, C372S038070

Reexamination Certificate

active

07035302

ABSTRACT:
The present invention provides an optical transmission module having a laser diode that generates laser beams and a differential type current switch provided with a first switch and a second switch in order to supply a modulating current to the laser diode. A terminal of the laser diode and the first switch are connected in series through a first transmission line and a first capacitor, the other terminal of the laser diode and the second switch are connected in series through a second transmission line and a second capacitor. The current driven by the second switch is terminated by a resistor connected to the first switch and the current driven by the first switch is terminated by a resistor connected to the second switch. Thus, the laser diode is modulated bidirectionally.

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“Euvis LD132DZ” product datasheet for laser diode driver, document No. LD132DZ—DS—1D2, Euvis, Inc. 31194 La Baya Dr. Suite 107, Westlake Village, CA 91362,USA, pp 1-7 (2003).
“Evaluation Board Application Note for 10Gb/s Differential Laser Diode Driver LD132DZ,” product information, , Euvis, Inc. 31194 La Baya Dr. Suite 107, Westlake Village, CA 91362,USA, pp1-5 (2003).

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