Methods and systems for mitigating effects of polarization dependent loss (PDL) in an optical
network transmitting a multi-carrier optical signal comprising a plurality of subcarriers may …

BACKGROUND Optical superchannel is an emerging technology that supports optical
transport data rates in excess of 100-Gb/s by combining multiple optical subcarriers to create …

An optical transmitter transmits optical signal including a first signal and a second signal.
The second signal is subjected to change in a polarization state relative to a polarization …

One or more operational parameters associated with pluggable optical transceivers are
estimated to mitigate impairments to an optical signal caused by imperfections in the optical …

BACKGROUND Optical communication systems are widely used today for data
communication. Optical communication systems may employ optical fibers as the …

Optical network systems and components are disclosed, including a transmitter comprising a
digital signal processor receiving a plurality of independent data streams, and supplying a …

One or more operational parameters associated with pluggable optical transceivers are
estimated to mitigate impairments to an optical signal caused by imperfections in the optical …

Phased array antenna system operated from a remote loca tion. Operations at a radio hub
location involve generating an RF signal and modulating with the RF signal a continuous …

An optical transmitter includes a signal-processing circuit configured to perform signal
processing on a first transmis sion signal and output a second transmission signal; an …

Techniques are described for implementing an out-of-band communication channel used to
exchange control channel information in sub-carrier-based optical communication systems …