WDM ring transmission system having reduced adjacent channel cro

Details WDM ring transmission system having reduced adjacent channel cro WDM ring transmission system having reduced adjacent channel cro

1998-02-12

2000-02-01

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Plural

385 14, 385 37, 385 8, 359115, 359118, 359124, G02B 602

Patent

active

060212330

ABSTRACT:
A WDM ring configuration having reduced adjacent channel cross-talk is disclosed. In the WDM ring, an add/drop element having a filter for selecting an optical signal at a desired wavelength is spaced from another add/drop element having a filter adding an optical signal at an adjacent wavelength within a channel plan by at least one add/drop element that adds/drops an optical signal at a wavelength which is not next to either the optical signal at the desired wavelength or the adjacent wavelength.

REFERENCES:
patent: 5764821 (1998-06-01), Glance
patent: 5886801 (1999-03-01), Van Deventer

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