OPTICAL PROCESSING
1 Assignment
0 Petitions
Accused Products
Abstract
A modular routing node includes a single input port and a plurality of output ports. The modular routing node is arranged to produce a plurality of different deflections and uses small adjustments to compensate for wavelength differences and alignment tolerances in an optical system. An optical device is arranged to receive a multiplex of many optical signals at different wavelengths, to separate the optical signals into at least two groups, and to process at least one of the groups adaptively.
-
Citations
32 Claims
-
1. (canceled)
-
2. An optical processor for selectively routing optical signals on multiple wavelength channels, the optical processor comprising:
-
a spatial light modulator (“
SLM”
) having a two-dimensional array of controllable elements, wherein the SLM is configured for selection of the controllable elements whereby two-dimensional groups of controllable elements are formed at chosen locations of the SLM to independently and controllably deflect light incident on the different groups;a dispersion device positioned to receive and disperse light comprising the optical signals; an optical device disposed between the SLM and the dispersion device to receive the dispersed light from the dispersion device and spatially distribute this dispersed light by wavelength across the SLM and within each of the two-dimensional groups; and a controller coupled to the SLM for assigning which controllable elements correspond to which group and configurable to select the groups so that each wavelength channel corresponds to one of the groups and further configurable to select a first subset of one or more of the optical signals for routing to a first output port, wherein the controller is configurable to adjust a transmission spectrum between optical signals on adjacent wavelength channels. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
Specification