Figure 5
From: Resonance optimization of polychromatic light in disordered structures

Two-way resonance optimizations between localization and delocalization of the amplified FBG array. (a) Optimized disorders. (b) Resonances of optimized disorder 1. (c) Resonances of optimized disorder 3. (d) Resonances of optimized disorder 4. TLF: total localization factor; gain rate: 20 dB/m.