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Planar lightwave circuit interferometer

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A planar lightwave circuit interferometer (PLC interferometer) is constructed of waveguides printed on a circuit board. PLC interferometers can take on any form which is rigidly printable, e.g. Mach-Zehnder, Michelson, etc. PLC interferometers are useful in multiplexing/demultiplexing in communications technology.

See also