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A single-mode-fibre wavelength demultiplexer is described which employs a Fabry-Perot etalon integrally coupled to the transmission fibre. A linewidth (FWHM) of 5 nm, tunable over 180 nm in the 1.5 μm window, is reported.
Inspec keywords: frequency division multiplexing; light interferometry; optical communication equipment; multiplexing equipment; fibre optics
Other keywords:
Subjects: Fibre optics and fibre waveguides; Fibre optics; Optical communication; Optical communication devices, equipment and systems; Optical interferometry