Adaptive polarization tracking and equalization in coherent...

Bi-directional cross-connect

Compact wavelength filter using optical birefringence and...

Method and arrangement for the optical transmission of data...

Method and device for stabilizing the state of polarization...

Method for transmitting at least one first and one second...

Method for transmitting at least one first and one second...

Methods for the optical transmission of polarization...

Optical orthogonal frequency division multiplexed...

Optical packet switching apparatus and methods

Optical packet switching apparatus and methods

PMDC feedback signal for alternate polarization DPSK system

Polarization envelope modulation for signaling and labeling...

Polarization mode dispersion compensation and polarization...

Polarization mode dispersion compensator and compensation...

Polarization monitoring in polarization division...

Polarization-division multiplexing based on power encoding...

Reconfigurable add-drop multiplexer

Systems and methods for the mitigation of polarization mode...

Use of polarization for differentiation of information