Oclaro, Inc. (Avanex-Bookham) Message Board

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Technology Stocks : Oclaro, Inc. (Avanex-Bookham)

OCLR 8.260

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Dec 10 4:00 PM EST

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To: Kent Rattey who wrote (1980)	3/13/2002 9:37:49 AM
From: Kent Rattey	of 2293

Optical circulator fibers.org Innovation: the pick of the latest patent applications Optical circulator routes signals in two directions In WO 01/88603, Avanex, a US manufacturer of optical subsystems, describes a bidirectional optical circulator for use within an optical communications system. The company claims that the circulator can perform bidirectional wavelength-division multiplexing, bidirectional add-drop multiplexing, bidirectional amplification, three-way channel separation and two- and three-way multiplexing. The circulator has a number of ports that are identified in a specific sequence. A first wavelength input through one port is output through the next port in the sequence, and not from any other port. A second wavelength input through a chosen port will be output through the preceding port in the sequence.

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