Abstract
We propose a novel design method that incorporates multiple-layer relief profiles of diffractive phase elements to implement integrated operations on the incident beams according to their wavelengths. We demonstrate simultaneous wavelength-division demultiplexing, arbitrary (even random) wavelength shuffling or routing, spatial focusing, and other manipulations of multiwavelength beams, such as irradiance profile shaping, with design examples for applications in three-dimensional optical interconnects.
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