Optical links
Optoélectronique hyperfréquence

By "link" we mean a transmission system including the physical transmission channel and the complete transmission and reception systems. An optical link is a point-to-point link, as shown in figure 3:

• of an E/O (electrical/optical) transducer, which is an optical source equipped with a modulation device, upstream of the plane P₁ of figure 3;

• of an O/E (optical/electrical) transducer downstream of the P₂ plane, which, in reality, is a fast photodetector often followed by an electrical amplifier, making it possible to restore the modulating microwave or radio frequency signal with a correct signal-to-noise ratio ;

• an optical transmission channel inserted between the P₁ and P₂...