Computer Science – Performance
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1107..128s&link_type=abstract
IN: Infrared detectors, focal plane arrays, and imaging sensors; Proceedings of the Meeting, Orlando, FL, Mar. 30, 31, 1989 (A90
Computer Science
Performance
Carbon Dioxide Lasers, Gallium Arsenides, Molecular Beam Epitaxy, Waveguide Lasers, Dielectrics, Snells Law, Standing Waves, Transmission Lines
Scientific paper
Results are evaluated from recent investigations of the performance of n/n(+)-GaAs rib waveguides fabricated by MBE and reactive-ion etching. A simple, 'effective index' analysis method is used to predict bound-mode propagation constants; a comparison with alternative analyses shows the method to be sufficiently accurate for the geometries in question. Intensity curves are obtained experimentally as a function of incident angle, for correlation with theoretical, lower-order modes. A prism-coupling approach is developed which not only allows experimenters to excite and observe the bands of a rib waveguide, but to empirically determine their values.
Jenkinson H. A.
Larson D. C.
Sarkis R. G.
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