Wavelength multi/demultiplexer

Details Wavelength multi/demultiplexer Wavelength multi/demultiplexer

1984-03-12

1987-01-06

Sikes, William L.

350 9615, 350 9618, G02B 636

Patent

active

046342150

ABSTRACT:
Channel separation of wavelength multi/demultiplexers using a grating structure in a planar multimode slab waveguide is improved by choosing the thickness of the slab waveguide to be greater than the input diameter at least in the area of the grating structure. The aperture of the radiation incident upon the grating structure is chosen to be correspondingly smaller than the input aperture.

REFERENCES:
patent: 4274706 (1981-06-01), Tangonan
patent: 4279464 (1981-07-01), Colombini
"Spectral demultiplexer with a Plate Waveguide" by Belovolov et al. Sov.J.Quantum Electron. 12(2) Feb. 1982.
"Slab Waveguide Demultiplexer for Multimode Optical Transmission" by Watanabe et al., Applied Optics/vol. 19, No. 21/1 Nov. 1980.

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