Method and apparatus for making wavelength adjustments in a wave

Details Method and apparatus for making wavelength adjustments in a wave Method and apparatus for making wavelength adjustments in a wave

1995-04-24

1996-07-16

Boudreau, Leo

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359161, 371 201, H04B 1008

Patent

active

055372384

ABSTRACT:
Method and apparatus for making wavelength and power adjustments to a laser in a wavelength division multiplex system includes an extender card containing fiber optic transmission devices and path attenuators is inserted in the system in place of a card containing the laser to be adjusted. The extender card includes switches to put the laser under adjustment in known states for making power adjustments and wavelength adjustments without affecting system operation. After adjustments have been made, the extender card is removed and the laser card is reinstalled in the system.

REFERENCES:
patent: 4893300 (1990-01-01), Carlin et al.
patent: 5224183 (1993-06-01), Dugan
patent: 5225922 (1993-07-01), Chraplyvy et al.
patent: 5276543 (1994-01-01), Olshansky
IBM patent application, "Optical Wavelength Division Multiplexor for High Speed, Protocol-Independent Serial Data Sources," Ser. No. 08/193,969, Filed Feb. 9, 1994.

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