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TM LOOM field (rotated 90°) of rib-loaded InP membrane yielding material overlap of less than 1%.
(Color online) InP LOOM membrane waveguide showing (a) membrane, (b) rib, (c) v groove, and (d) via holes.
Verification of TM LOOM propagation in InP membrane waveguides showing CCD image of TM mode with back illumination to show mode position to v groove (indicated by dashed line).
(Color online) Analysis of guided TM LOOM showing measured modal intensity profile.
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