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Arrayed-waveguide grating for wavelength division multi/demultiplexer with nanometre resolution
Electronics Letters · 1990 · Vol. 26(2) · pp. 87–88
Hiroshi Takahashi✉(NTT (Japan))S. Suzuki(NTT (Japan))Kazutoshi Kato(NTT (Japan))Isao Nishi(NTT (Japan))
Abstract
A novel diffraction grating based on arrayed channel waveguides has been proposed for nanometre-spaced wavelength division multiplexing. A grating with a diffraction order of 20 has been fabricated using a composite glass waveguide. A wavelength resolution of 0.63 nm has been achieved in the 1.3 μm wavelength band.
Photonic and Optical DevicesOptical Coatings and GratingsAdvanced Fiber Optic SensorsOpticsDemultiplexerGratingMaterials scienceDiffraction gratingNanometreWavelengthArrayed waveguide gratingDiffractionBlazed grating
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