Light source mode alignment device and method, passive...

Details Light source mode alignment device and method, passive... Light source mode alignment device and method, passive...

2011-04-19

2011-04-19

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Modulation

C372S029015, C372S029023, C372S034000

Reexamination Certificate

active

07929584

ABSTRACT:
A light source mode alignment device and method and a passive optical network system are provided. The device includes a laser and a temperature control unit connected to each other and further includes a signal processing unit. The laser converts an incident light into a current signal. The current signal is amplified and converted into a voltage signal via a transimpedance amplifier. Together with a modulation signal generated by the signal processing unit, the voltage signal adjusts a bias voltage of the temperature control unit.

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International Search Report issued in corresponding PCT Application No. PCT/CN2007/070398; mailed Nov. 8, 2007.

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