Figure 3
From: Plasmonic-multimode-interference-based logic circuit with simple phase adjustment
Experimental results of the fabricated devices.
(a) Scanning electron micrographs of the proposed device, which was fabricated using focused ion beam etching. (b–e) Observed near-field optical images and output characteristics of the half adder using the MMI structure. Upper parts of panels (b–e) are the output characteristics averaged over the 1 μm and normalized with respect to the maximum value of the AND “11” output.
