| 摘要 |
Two N-channel deflector modules, both located in the same layer or plane of an assembly, direct polarized beams toward a polarization beam splitter. A half wave plate is interposed between one of the deflector modules and the polarization beam splitter. The polarization beam splitter combines the two beams into a single output beam, without loss of optical power, comprising 2N channels, each of which can carry a unique data stream. In alternate embodiments the group of two deflector modules and a polarization beam splitter can be stacked, optionally in combination with layers comprising a single deflector module and polarization beam splitter or mirror.
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