Wavelength real time display on the equipment for WDM...

Details Wavelength real time display on the equipment for WDM... Wavelength real time display on the equipment for WDM...

2005-12-29

2009-08-11

Sedighian, M. R. (Department: 2613)

Optical communications

Multiplex

Wavelength division or frequency division

C398S095000, C398S082000

Reexamination Certificate

active

07574136

ABSTRACT:
A wavelength tunable device for use in a wavelength division multiplexing (WDM) system comprising a display device for displaying at least one operating wavelength of the wavelength tunable device. The display device is electrically coupled to a control unit in the wavelength tunable device so as to display the tuned wavelength in real time. The wavelength tunable device may be, in exemplary embodiments, an optical transponder, wavelength division demultiplexer, or wavelength division multiplexer. In embodiments where the optical equipment has a plurality of tunable ports, the display device is adapted to display the operating wavelength of each tunable port.

REFERENCES:
patent: 7366370 (2008-04-01), Goodwill et al.
patent: 2002/0126339 (2002-09-01), Sato et al.
patent: 2003/0035615 (2003-02-01), Foltzer
patent: 2003/0081284 (2003-05-01), Maki et al.
patent: 2004/0105677 (2004-06-01), Hamada
patent: 2005/0129402 (2005-06-01), Kim et al.
patent: 2005/0213979 (2005-09-01), Nakashima et al.

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