Method for polarizaton transformation without any dc voltage...

Details Method for polarizaton transformation without any dc voltage... Method for polarizaton transformation without any dc voltage...

G - Physics

02

F

G02F 1/035 (2006.01) G02F 1/01 (2006.01)

Patent

CA 2355189

A polarization transformer/PMD compensator chip (K1) contains a differential TE-TM phase modulator (PH1) at the start of the chip, which produces TE-TM phase modulation, by which means the mode converter electrodes (Eij) can be driven with control voltages (Vij) without any DC component. This reliably prevents DC drift.

Selon l'invention, un ensemble transformateur de polarisation/compensateur de dispersion de polarisation de mode se présentant sous la forme d'une puce (K1) comprend un modulateur de phase différentielle TE-TM (PH1) situé au début de la puce et produisant une modulation de phase TE-TM, ce qui permet de commander les électrodes de convertisseur de mode (Eij) avec des tensions de commande (Vij) sans composante continue. Une dérive de tension continue est ainsi évitée de manière fiable.

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