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Polarization-Dependent Loss Induced Penalties in PDM-QPSK Coherent Optical Communication Systems
Fiber optics communications Coherent communications Polarization
2015/6/10
We evaluate PDL-induced penalties in PDM-QPSK coherent systems with both lumped model and distributed model. We find the lumped model significantly over-estimates PDL penalties and PDM coherent system...
Loss-induced onÕoff switching in a channel addÕdrop filter
Loss-induced switching channel drop lter
2015/8/12
We introduce a mechanism that provides an on/off switching capability in channel add-drop filter structures.These filters consist of two waveguides, a bus and a drop, coupled through a fre...