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Fig. 5 | Journal of the European Optical Society-Rapid Publications

Fig. 5

From: Modal properties of a strip-loaded horizontal slot waveguide

Fig. 5

a Confinement of the fundamental quasi-TM mode inside the SLSW (region A, Fig. 1a) as a function of the width and thickness of the loading-strip. The hatched area shows the multi-mode operating region of the waveguide. b The E y field profiles along the x-direction in the center of the slot, corresponding to the green crosses on (a) for different strip widths: 500 nm, 900 nm, and 1200 nm (numbered from 1 to 3) at a constant thickness t p = 250 nm

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