Ring network for transmitting wavelength-multiplexed information

Details Ring network for transmitting wavelength-multiplexed information Ring network for transmitting wavelength-multiplexed information

1996-05-08

1998-06-02

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, 359125, 359127, 359161, 359179, H04J 1402, H04B 1012

Patent

active

057609349

ABSTRACT:
This ring network for wavelength-multiplexed information transmission. comprises two optical fibres (F1, F2) passing through nodes (N1 to N4) of the network and traversed in the opposite direction by informations, electronic add-drop multiplexers (ME1 to ME4) or ADM, each ADM supplying information to other ADM's, of the network at given wavelengths and optical add-drop multiplexers (M01 to M04) or OADM, each OADM adding to the fibres the informations from the associated ADM and extracting from said fibres the informations intended for said ADM. Application to optical telecommunications.

REFERENCES:
patent: 5369516 (1994-11-01), Uchida
patent: 5576875 (1996-11-01), Chawki et al.
patent: 5625478 (1997-04-01), Doerr et al.
IEEE International Conference on Communications '93, vol. 2/3, pp. 1245-1251, May 23-26, 1993, A.F. Elrefaie, "Multiwavelength Survivable Ring Network Architectures".
World Telecommunications Congres ISS '95, vol. 2, pp. 392-396, Apr. 23-28, 1995, F. Tillerot, et al., "Introduction of the WDM Technique in SDH Networks".
Supercomm/ICC '92, vol. 3, pp. 1173-1179, Jun. 14, 1992, S. Wagner, et al., "Multiwavelength Ring Networks for Switch Consolidation and Interconnection".
Globecom '91, vol. 1, pp. 602-606, Dec. 2-5, 1991, T. Nakashima, et al., "Photonic Access Network Architecture".

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