Optical transmitter having optical modulator

Details Optical transmitter having optical modulator Optical transmitter having optical modulator

G - Physics

02

F

G02F 1/035 (2006.01) G02F 1/01 (2006.01) G02F 1/225 (2006.01) H04B 10/04 (2006.01) H04B 10/155 (2006.01)

Patent

CA 2083219

An optical transmitter having a Mach-Zehnder optical modulator comprising a signal electrode fed with a driving signal for effecting modulation and a bias electrode for operating point control. Because the signal electrode and the bias electrode are independent of each other, a driving circuit and the signal electrode can be connected in a DC setup. This permits stable operating point control and improves waveform characteristics.

Émetteur optique ayant un modulateur optique Mach-Zehnder comprenant une électrode de signal recevant un signal d'attaque pour effectuer la modulation et une électrode de polarisation pour commander le point de fonctionnement. Comme l'électrode de signal et l'électrode de polarisation sont indépendantes l'une de l'autre, un circuit d'attaque et l'électrode de signal peuvent être montés dans un circuit c.c. Cela permet la stabilisation du point de fonctionnement et améliore les caractéristiques du signal.

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