Somekh, S. and Garmire, E. and Yariv, A. and Garvin, H. L. and Hunsperger, R. G. (1973) Channel optical waveguide directional couplers. Applied Physics Letters, 22 (2). pp. 46-47. ISSN 0003-6951 http://resolver.caltech.edu/CaltechAUTHORS:SOMapl73
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We report the first demonstration of channel optical waveguide directional couplers. The closely spaced channel waveguides were fabricated in GaAs by proton implantation. Optical coupling was observed at 1.15 µ with complete light transfer out of the initial channel into adjacent channels in lengths of typically 2 mm.
|Additional Information:||©1973 American Institute of Physics. Received 11 September 1972.|
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