Method and system for polarization modem dispersion...

Details Method and system for polarization modem dispersion... Method and system for polarization modem dispersion...

2011-07-19

2011-07-19

Phan, Hanh (Department: 2613)

Optical communications

Transmitter and receiver system

Including polarization

C398S065000, C398S147000, C398S158000, C398S159000, C385S011000, C385S024000, C385S027000, C356S073100

Reexamination Certificate

active

07983567

ABSTRACT:
The invention relates to a method and a system for controlling a PMD compensator (2). For this purpose, a measuring signal (MS) is branched off from an already compensated optical data signal (ODSK) and supplied to a polarization adjuster (2). The output signal of the latter is supplied to an optical filter unit (61) and subdivided into two optical measuring signal components (OMK1, OMK2) having different polarizations. After a respective opto-electrical conversion, the spectra are compared with each other in an analysis and control unit (81) and the PMD compensator (2) is adjusted in such a manner that they are as identical as possible.

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