Generalized Analytical Solutions for Nonlinear Positive-Negative Index Couplers

Figure 2

Output power 𝑃₁(𝐿) as a function of input power 𝑃₁(0) when 𝜅=8 and 𝛿=0. Solid black curve: 𝛾₁=5,𝛾₂=0; dashed blue curve:𝛾₁=0,𝛾₂=5.