Equalizing optical wavelength routers

Details Equalizing optical wavelength routers Equalizing optical wavelength routers

2007-11-20

2007-11-20

Shafer, Ricky D. (Department: 2872)

Optical: systems and elements

Optical modulator

Light wave temporal modulation

C359S316000, C359S485050, C359S566000, C359S250000, C398S049000, C398S065000, C398S087000

Reexamination Certificate

active

10225936

ABSTRACT:
A dynamic equalizing optical channel router includes an input port for receiving a wavelength division multiplexed composite optical signal comprising a plurality of channels; at least one output port; a diffraction grating optically coupled to the input and output ports; a lens optically coupled to the diffraction grating at a side opposite to the input and output ports; an array of steering devices optically coupled to the lens at a side opposite to the diffraction grating, wherein each channel is reflected by a different steering device of the array; and a plurality of attenuators, wherein each channel reflected by the array traverses one of the attenuators and the diffraction grating to the at least one output port. The router is able to dynamically adjust optical intensity of each wavelength channel by a different amount while also performing the function of wavelength routing.

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