Optical clock recovery

Details Optical clock recovery Optical clock recovery

H - Electricity

04

L

H04L 7/027 (2006.01) H04B 10/17 (2006.01) H04L 7/00 (2006.01)

Patent

CA 2096127

A method is disclosed of generating a clock signal from a digital optical data signal not having a significant clock component The digital optical data signal is input into an opto-electronic device (1), and the non-linear variation in the opto-electronic device caused by the digital optical data signal in the device is detected, resulting in the generation of a further signal from the device. A component at a clock frequency for the digital optical data signal is extracted form said further signal.

Une méthode est divulguée pour la production d'un signal d'horloge provenant d'un signal de données optiques numérique qui ne contient pas de composante d'horloge significative. Le signal de données optiques numérique est appliqué à un dispositif optoélectronique (1), et la variation non linéaire dans le dispositif optoélectronique provenant du signal de données optiques numérique du dispositif est détectée, ce qui entraîne la production d'un autre signal provenant du dispositif. Une composante à une fréquence d'horloge correspondant au signal de données optiques numérique est extraite de cet autre signal.

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