Polymer waveguide output coupler

Michael D. Watson; Mustafa A. G. Abushagur; Paul R. Ashley; Helen Johnson-Cole

doi:10.1117/12.221219

22 September 1995 Polymer waveguide output coupler

Michael D. Watson, Mustafa A. G. Abushagur, Paul R. Ashley, Helen Johnson-Cole

Proceedings Volume 2532, Application and Theory of Periodic Structures; (1995) https://doi.org/10.1117/12.221219
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Waveguide output couplers fabricated in Norlund Optical Adhesive (NOA) #81 are investigated. The output coupler is implemented using periodic relief gratings on a planar waveguide. Design theory of the coupler is based ont he perturbation approach. Coupling of light from waveguide propagation modes to output radiation modes is described by coupled mode theory and the transmission line approximation of the perturbed area (grating structure). Using these concepts, gratings can be accurately designed to output a minimum number of modes at desired output angles. Waveguide couplers were designed using these concepts. The couplers were fabricated and analyzed for structural accuracy, output beam accuracy, and output efficiency. Applications for these couplers include databus and clock distribution system interfaces requiring coupling to out-of- plane detectors.

Citation Download Citation

Michael D. Watson, Mustafa A. G. Abushagur, Paul R. Ashley, and Helen Johnson-Cole "Polymer waveguide output coupler", Proc. SPIE 2532, Application and Theory of Periodic Structures, (22 September 1995); https://doi.org/10.1117/12.221219

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