When an intensity modulating operation and a phase modulating operation are carried out
by employing a 2-electrode MachZehnder type optical modulator preferably a LN-MZ type …

In accordance with a mean value of a modulated light supplied from an optical modulator
utilizing electro-optic effect, the drift amount of voltage light output characteristics (an …

An apparatus and a method for modulating the optical intensity, with the noises Suppressed
by using a linear optical modulator, are disclosed, So that the characteristics of Sig nals …

Scinto 57 ABSTRACT In an optical modulation device, a matrix of pixels are formed at
intersections of scanning lines and data lines so as to assume either a first optical state or a …

An object of the invention is to provide a control system in which the phase shift between
drive signals of an optical modulator can be reliably detected and compensated by a simple …

An object of the invention is to provide a control system in which the phase shift between
drive signals of an optical modulator can be reliably detected and compensated by a simple …

Accordingly, the present invention has been made to reduce to overcome the above-
mentioned problems occur ring in the prior art. An object of the present invention is to …

For an optical modulator for modulating input light using a clock signal and a data signal
respectively, a pulse width varying circuit varies the pulse width of the data signal that is …

An optical modulator having a voltage-optical output characteristic in which optical output
varies periodically with respect to a voltage value of an electrical drive signal is driven by a …

An optical modulator according to the present invention includes an optical branching
section having at least one beam splitter and a mirror and configured to branch input light, a …