Dynamic dispersion compensator

Details Dynamic dispersion compensator Dynamic dispersion compensator

G - Physics

02

B

G02B 6/00 (2006.01) H04B 10/18 (2006.01)

Patent

CA 2405191

A modular optical platform for selective wavelength switching that can be adapted to perform various other functions, such as dispersion compensation, dynamic gain equalization (DGE) and add/drop multiplexing (ADM) provides the versatility and modularity that will be essential to the future of the fiber optics industry. The basic platform includes a first lens for directing an optical signal, a diffraction grating for dispersing an optical signal into its component wavelength channels, a second lens for directing the component wavelength channels, and a modifying device for conducting one or more of a variety of functions including dispersion compensation, switching, DGE and COADM. The first and second lens are preferably replaced by a single concave reflective mirror having optical power. The modifying means for dispersion compensation according to the present invention includes a tunable etalon.

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