Optical fiber communication system comprising mode-stripping mea

Details Optical fiber communication system comprising mode-stripping mea Optical fiber communication system comprising mode-stripping mea

1987-04-10

1990-03-27

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455600, 455612, 370 1, 350354, H04B 900

Patent

active

049125230

ABSTRACT:
In an optical fiber communication system that operates at a wavelength .lambda..sub.o and comprises optical fiber having a cut-off wavelength .lambda..sub.c >.lambda..sub.o, a "grating", with parameters chosen such that the grating causes resonant coupling between a predetermined guided mode (e.g., LP.sub.11) and a tunneling-leaky mode, can be advantageously used to remove unwanted guided modes. Such removal can substantially improve the bandwidth of such a system.

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patent: 3982123 (1976-09-01), Goell et al.
patent: 4253727 (1981-03-01), Jeunhomme et al.
patent: 4749248 (1988-06-01), Aberson et al.
Electronics Letters, vol. 23, No. 2, 16 Jan. 1987, "Signal Transmission With Optical Carriers in Multimode Range of Single-Mode Fibres" by R. Ries, pp. 71-72.
Applied Optics, vol. 10, No. 10, Oct. 1971, "Weakly Guiding Fibers" by D. Gloge, pp. 2252-2258.
Optical Waveguide Theory, A. W. Snyder et al., (1983) pp. 487-541; Chapman and Hall; New York.
Abstracts of papers at OFC/IOOC 1987, Reno, Nevada, Paper MD2 (3 pages); Stern et al.; Jan. 19-22, 1987.

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