Polymer Gelatin Waveguide In Conjuction With Integrated Holographic Optical Elements On GaAs, LiNb03, Glass, And Aluminum Substrates For Optical Interconnects, Signal Processing, And Computing

Ray T. Chen

doi:10.1117/12.962204

5 February 1990 Polymer Gelatin Waveguide In Conjuction With Integrated Holographic Optical Elements On GaAs, LiNb0₃, Glass, And Aluminum Substrates For Optical Interconnects, Signal Processing, And Computing

Ray T. Chen

Author Affiliations +

Proceedings Volume 1151, Optical Information Processing Systems and Architectures; (1990) https://doi.org/10.1117/12.962204
Event: 33rd Annual Technical Symposium, 1989, San Diego, United States

Abstract

We have observed waveguiding in thin films of polymer gelatin on GaAs, LiNb0₃, glass and aluminum substrates. A graded index profile can be induced in the gelatin layer and tuned by wet processing. This makes it possible to form waveguides on any smooth surface. Locally sensitizing the gelatin waveguide with ammonium dichromate allows us to integrate single and multiplexed gratings on the same substrate to perform various functions for optical interconnects and signal processing. A waveguide grating coupler that converts free space TEM₀₀ laser light to a two dimensional spherical guided wave with 50° angle of divergence has also demonstrated. A passive broadcasting network can be formed using this new technology. Further plausible applications such as WD(D)M local area network, optical interconnection, and optical computing are also presented.

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Ray T. Chen "Polymer Gelatin Waveguide In Conjuction With Integrated Holographic Optical Elements On GaAs, LiNb0₃, Glass, And Aluminum Substrates For Optical Interconnects, Signal Processing, And Computing", Proc. SPIE 1151, Optical Information Processing Systems and Architectures, (5 February 1990); https://doi.org/10.1117/12.962204

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