Figure 5

(a) Propagation length (L) and (b) normalized mode area (Aeff /A0) vs. horizontal deviation of the Si nanowire from the metal wedge. The wedge tip angle is 100 deg, the diameter of Si nanowire cylinder is 40 μm and the gap height is 1 μm.

(a) Propagation length (L) and (b) normalized mode area (Aeff /A0) vs. horizontal deviation of the Si nanowire from the metal wedge. The wedge tip angle is 100 deg, the diameter of Si nanowire cylinder is 40 μm and the gap height is 1 μm.