Apparatus and method for controlling shared optical pump power s

Details Apparatus and method for controlling shared optical pump power s Apparatus and method for controlling shared optical pump power s

1998-01-22

1999-06-15

Moskowitz, Nelson

Optical: systems and elements

Optical amplifier

Optical fiber

359134, 359177, 359337, H04J 1400, H04J 1404, H01S 3094

Patent

active

059127619

ABSTRACT:
An optical gain block that is pumped by one or more pump input modules is disclosed. Each pump input module includes a pump source, a pump power control circuit and a bus interface. Each of the available pump input modules detect the presence and pump power of other available pump input modules in order to properly adjust the output power of its own pump source. By controlling the power provided by each of the available pump input modules, the gain block output will be maintained at a specified output power level while all pump input modules share in delivering the required total input pump power. Upon the insertion or removal of any pump input module, the remaining pump input modules will adjust their output power accordingly to maintain the gain block output power at the specified level.

REFERENCES:
patent: 5245690 (1993-09-01), Aida et al.
patent: 5664131 (1997-09-01), Sugiya
Aida et al., & revs., lnst. Electron. lnf. Commun. Eng. B-1, vol. J75B-I, 190 5, pp. 298-303, May 1992.

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