Polarization mode dispersion compensation module

Details Polarization mode dispersion compensation module Polarization mode dispersion compensation module

2006-11-07

2006-11-07

Phan, Hanh (Department: 2613)

Optical communications

Transmitter and receiver system

Including optical waveguide

C398S152000, C398S102000, C398S158000, C398S159000, C398S161000, C398S079000, C398S065000, C398S081000, C359S483010, C359S490020, C359S487030, C359S489040, C385S011000, C385S015000, C385S027000, C385S037000

Reexamination Certificate

active

07133619

ABSTRACT:
An operation unit of a PMD compensation module includes a PBS (polarization beam splitter), a compensating part and a combiner. The PBS separates an optical input into a first polarized signal and a second polarized signal. The compensating part includes a fixed prism and a movable prism. The first polarized signal outputted from the PBS travels through the fixed prism and the movable prism in series. The light path of the first polarized signal in the movable prism is elongated or shortened according to a position of the movable prism. A continuously variable delay can thus be applied between the first and second polarized signals. The combiner recombines the first polarized signal received from the compensating part and the second polarized signal received from the PBS into an optical output signal.

REFERENCES:
patent: 5859939 (1999-01-01), Fee et al.
patent: 6266457 (2001-07-01), Jacob
patent: 6385357 (2002-05-01), Jopson et al.
patent: 6704143 (2004-03-01), Han et al.
patent: 2002/0075477 (2002-06-01), Yu et al.

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