Reconfigurable device for insertion-extraction of wavelengths

Details Reconfigurable device for insertion-extraction of wavelengths Reconfigurable device for insertion-extraction of wavelengths

1996-06-17

1998-06-23

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359127, 359130, H04J 1402

Patent

active

057711127

ABSTRACT:
This device includes optical add-drop multiplexers (M1 to M2) each having a band-pass filter. An optical switch (C1) has outputs connected to the multiplexers. An optical coupling (C2) has inputs connected to the multiplexers. The device is useful in optical communications.

REFERENCES:
patent: 5488500 (1996-01-01), Glance
patent: 5550818 (1996-08-01), Brackett et al.
patent: 5566014 (1996-10-01), Glance
patent: 5612805 (1997-03-01), Fevrier et al.
patent: 5633741 (1997-05-01), Giles
Discovering a New World of Communications, Chicago, Jun. 14-18, 1992, "Multiwavelength Ring Network for Switch . . . ", Wagner et al, ICC 92, pp. 1173-1179.
Twelfth Annual Conference on European Fibre . . . , "WDM-SDH Networks: An alternative to SDH rings", Jun. 1994, Switzerland, pp. 98-101., Hamel et al.
OFC '95, "Tunable optical add/drop filter", Jul. 1995, Washington, D.C., Glance et al, pp. 85-87.
A.F. Elrefaie, "Multiwavelength survivable ring network architecture", Bellcore ICC 93.
A.F. Elrefaie et al., "Fibre amplifiers in closed ring WDM networks", Electron. Lett., vol. 28, pp. 2340-2341, 1992.
J.L. Archambault et al., "Novel channel dropping filter by grating frustrated coupling in single mode optical fiber", OFC'94, p. 51.
U.S. Serial No. 08/609,519, filed Mar. 1, 1996, High Isolation, Optical Add-Drop Multiplexer, Andre Hamel et al.

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