Alcatel

Societe Anonyme Dite Alcatel Thomson Faisceaux Hertziens

Francois Lafranca

Georges Grandpierre

Isaac Mettoudi

The present invention relates to a method of generating a clock signal of exact phase from an optical input signal that is divided up optically into two channels, one for data extraction to generate an electrical data signal and one for clock extraction to generate an electrical first clock signal, so that the phase position of the first clock signal is corrected by comparison with the phase position of the data signal so that the phase position of the resulting clock signal formed after this correction is similar to the phase position of the data signal, and also a digital optical receiver therefor.

Method of generating a clock signal of exact phase from an optical input signal and optical receiver therefor

A microwave oscillator having a dielectric resonator, in particular for use in the 22 GHz range, the oscillator comprising a negative resistance component (18) and a dielectric resonator (19) disposed on the surface of a substrate (13, 14) situated inside a housing (10), and the housing (10) being provided with a clearance situated over the dielectric resonator (19).

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Chelles, France

Francois Lafranca