Optical transmitter and optical transmission system with switchable chirp polarity

An optical transmitter has a Mach-Zehnder modulator, and a feedback loop that controls the bias voltage supplied to the modulator according to the insertion loss of the modulator, to compensate for DC drift in the attenuation characteristic of the modulator. The feedback loop can be switched to prov...

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Bibliographische Detailangaben
Hauptverfasser: SATOH, HIDEAKI
Format: Patent
Sprache:eng
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