Tunable radio frequency and microwave photonic filters

Details Tunable radio frequency and microwave photonic filters Tunable radio frequency and microwave photonic filters

G - Physics

02

F

G02F 1/01 (2006.01) G02B 26/00 (2006.01)

Patent

CA 2549466

RF and microwave devices and techniques are disclosed for processing RF and microwave signals by using (1) photonic or optical components and (2) RF and microwave components. In some implementations, a part of the processing is performed in the RF and microwave domain such as applying a microwave or RF input signal to control an optical modulator, and another part of the processing is performed in the optical domain such as optical filtering of the modulated optical beam to select desired microwave or RF spectral components. The frequency of a selected spectral component can be tuned by either tuning the frequency of the optical beam that is modulated by the optical modulator or a filter that is used to filter modulated optical beam.

L'invention concerne des dispositifs et des techniques RF et micro-ondes permettant de traiter des signaux RF et micro-ondes au moyen (1) de composants photoniques ou optiques et (2) de composants RF et micro-ondes. Dans quelques modes de réalisation, une partie du traitement est effectuée dans le domaine RF et micro-ondes, telle que l'application d'un signal d'entrée micro-ondes ou RF, aux fins de commande d'un modulateur optique et une autre partie du traitement est effectuée dans le domaine optique, telle que le filtrage optique du faisceau optique modulé, de manière à sélectionner les composants spectraux micro-ondes ou RF souhaités. La fréquence d'un composant spectral sélectionné peut être accordée soit par accord de la fréquence du faisceau optique modulé par le modulateur optique, soit au moyen d'un filtre utilisé pour filtrer le faisceau optique modulé.

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