BACKGROUND An optical modulator is a device for modulating an optical signal, such as
an optical carrier wave, by an electrical signal. Some property of the optical carrier wave …

Embodiments of the present disclosure provide an estima tion apparatus and method for
nonlinear distortion and a receiver. The estimation method for nonlinear distortion includes …

Chromatic dispersion is pre-compensated in a direct-detected orthogonal frequency-division
multiplexed optical transmitter through digital signal processing methods, to generate …

Embodiments of the present disclosure are directed toward techniques and configurations
for phase offset adjustment in an electro-optical modulator. In one embodiment, the …

An optical signal transmission system and method of allocating center frequencies of
intermediate frequency (IF) carriers in a frequency division multiplexing (FDM) optical fiber …

An optical modulator apparatus may include a plurality of segment drivers, each segment
driver having a unique offset voltage and driving but a portion or a segment of an electro …

An optical receiver may include a digital signal processor to receive an input sample that
includes transmitted data, transmitted by an optical transmitter, and nonlinear distor tion. The …

Embodiments of the present disclosure are directed toward techniques and configurations
for an apparatus comprising an electro-optical modulation device with a bias control and …

An optical modulator apparatus may include a plurality of segment drivers, each segment
driver having a unique offset voltage and driving but a portion or a segment of an electro …

An optical communication system includes a digital signal processer coupled to the coherent
receiver, said coherent receiver including a nonlinearity compensation module for …