An external optical modulator is linearized to reduce second order distortion. An optical
carrier is modulated in the modulator by a pilot signal. The modulated optical carrier is …

An automatic bias controller for an optical modulator is provided. The automatic bias
controller comprises a driver for providing an electrical data signal to the modulator and a …

A bias controller and a method for controlling the bias of an electro-optic modulator are
provided. In the method, for a received indication of modulator temperature, steps are …

An apparatus and method for controlling bias in an optical modulator is disclosed. The
method is particularly applicable to controlling multi-wavelength modulators and wavelength …

A modulating signal is predistorted to linearize the output of an optical intensity modulator.
The modulating signal is split into first and second paths. In the first path, the signal is phase …

Approaches to bias control are disclosed for an optical modulator that modulates an optical
carrier with a data input signal. In one embodiment an electrical bias input signal provided to …

The need remaining in the art is addressed by the present invention which relates to an
optical modulator and, more particularly, to an optical modulator including an adjustable …

An optical modulation device comprises an optical modulator in which the operating point is
varied according to a bias voltage. A phase deviation of an operating point from a selected …

(57) ABSTRACT A method and device for adequately controlling the DC bias of each of the
optical modulating sections of an optical modu lator even while the optical modulator is …

US7787713B2 - Integrated optical waveform modulation - Google Patents US7787713B2 -
Integrated optical waveform modulation - Google Patents Integrated optical waveform …