H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 10/18 (2006.01) G02B 6/293 (2006.01) G02B 6/34 (2006.01)
Patent
CA 2441943
The present invention provides a method and apparatus for compensating for polarization mode dispersion (PMD) in an optical transmission system without perturbing the laser source. The present invention compensates for PMD by transferring a sufficient fraction of the light signal in an optical transmission system substantially into a single principal state of polarization (PSP) of the system. As a result, each light pulse in a data stream is not substantially mixed with temporally adjacent light pulses or bit periods.
La présente invention concerne un procédé et un appareil permettant une correction de la dispersion de polarisation de mode dans des supports de transmission optiques sans perturbation de la source laser. A cet effet, l'invention opère par transfert d'une fraction suffisante du signal lumineux dans un système de transmission optique, donnant sensiblement un unique état principal de polarisation du système. Il en résulte que chaque impulsion de lumière dans le train de données ne se mélange sensiblement pas avec des périodes de bits ou des impulsions de lumière temporairement adjacentes.
Menikoff Arthur
Targove James D.
Wein Steven J.
Bereskin & Parr Llp
Terapulse Inc.
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