Figure 21.
Principle of operation of 2 × 2 optical switch using evanescent coupling between a bending and a fixed waveguide [73] (insets: view of the back of the top waveguide supporting structure and view of the bottom electrode and waveguide).
Principle of operation of 2 × 2 optical switch using evanescent coupling between a bending and a fixed waveguide [73] (insets: view of the back of the top waveguide supporting structure and view of the bottom electrode and waveguide).