Optical transmission systems using optical amplifiers and wavele

Details Optical transmission systems using optical amplifiers and wavele Optical transmission systems using optical amplifiers and wavele

1998-07-06

2000-05-23

Pascal, Leslie

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359124, 359127, 359349, H04B 1017

Patent

active

060671793

ABSTRACT:
The invention provides a method and system for transmitting very high bit rates over an optical link, using unidirectional and bidirectional WDM technology. The 1550 nm window for optical transmission is spatially separated into two bands, "Red" and "Blue", and the channels in each band are selected so that respective wavelengths present a substantially equal gain tilt. A fiber amplifier designed according to spatial separation and wavelength selection of the invention is disclosed, along with multiple span WDM network topologies.

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Wu, Tsong-Ho, "Fiber Network Service Survivability," Artech House, pp. 76-78 (1992).

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