Optical: systems and elements – Holographic system or element
Patent
1991-02-27
1992-10-27
Hannaher, Constantine
Optical: systems and elements
Holographic system or element
359 11, 359 15, G02B 532
Patent
active
051594730
ABSTRACT:
A programmable optical interconnection apparatus and method in which a plurality of spatial light modulators (SLM) form a plurality of spatially modulated beams from a data signal. A hologram is responsive to the spatially modulated beams for generating at least two destructively interfering coherent beams at a first optical detector to thereby disconnect the data signal therefrom, and for simultaneously generating at least two constructively interfering coherent beams at a second optical detector to thereby connect the data signal beam thereto. The hologram is preferably a computer generated thin hologram which does not rely on Bragg diffraction. A low cost, high density, high efficiency programmable optical interconnect is thereby provided.
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Glick Edward J.
Hannaher Constantine
University of North Carolina
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