Impact of Nanograting Phase-Shift on Light Absorption Enhancement in Plasmonics-Based Metal-Semiconductor-Metal Photodetectors

Figure 10

Peak wavelength at maximum light absorption enhancement versus the nanograting phase shift characteristics for different nanogratings profile, where the grating height is 90 nm. Here, the nanograting profiles are rectangular and trapezoidal (aspect ratio 0.8 and 0.5) shaped.