WDM-PON system with optical wavelength alignment function

Details WDM-PON system with optical wavelength alignment function WDM-PON system with optical wavelength alignment function

2007-06-29

2009-10-06

Nguyen, Dung T (Department: 2828)

Coherent light generators

Particular beam control device

Having particular beam control circuit component

C372S023000, C398S068000

Reexamination Certificate

active

07599411

ABSTRACT:
A PLC-based wavelength-tunable WDM-PON system with an optical wavelength alignment function, the WDM-PON system comprises: a PLC platform formed on a silicon substrate; a semiconductor chip comprising an active region generating light and a passive region located in front of the active region for vertically coupling the light generated in the active region; a planar lightwave circuit (PLC) waveguide; one portion of a PLC platform where the semiconductor chip is surface mounted; waveguide Bragg grating (WBG) formed at a predetermined location of the PLC waveguide; a directional coupler transferring an optical power by permitting the passive region to approach the PLC waveguide; a heater terminal, which is formed on the WBG; and a V-groove for attaching an optical fiber to another end of the PLC waveguide. Accordingly, a WDM-PON system having a function of realizing a cost-effective optical wavelength alignment can be provided.

REFERENCES:
patent: 6236773 (2001-05-01), Butler et al.
patent: 7272321 (2007-09-01), Kuo et al.
patent: 2005/0123300 (2005-06-01), Kim et al.
patent: 1020030063085 (2003-07-01), None

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