Figure 1

Schematics of the (a) cross-section, and the three-dimensional view of (b) nonlinearity increasing and (c) dispersion decreasing tapered a-Si:H-PhWs.

Schematics of the (a) cross-section, and the three-dimensional view of (b) nonlinearity increasing and (c) dispersion decreasing tapered a-Si:H-PhWs.