Hi Amrita,
I indeed used dipolepower. Could the issue be that too high power is used, and this gives the impression of no confiment in the movie due to bad color separations of different powers? Here’s the screenshot with nanobeam selected and 2 dipoles in the center, one perpendicular and another 60deg (both are inside an air hole). The GaAs nanobeam is Chi2 and has air holes in the center of equal radius and spacing:
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