, Volume 38, Issue 1-3, pp 123-131

Optimization of a Waveguide Grating for Normal TM Mode Coupling

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The conditions for maximum longitudinal electric field of a TM mode at the surface of a step index slab waveguide, and the value of this maximum are given in a normalized analytical form. They are applied to a grating coupling structure corresponding to a resonant laser mirror or to optical interconnects involving a normally incident free space wave and a singlemode slab waveguide.