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(a) Schematic of the experimental setup. (b) Top view micrograph of the single-line defect PhC-WG under study. The white circle represents the collection spot. The and polarization directions with respect to the waveguide axis are indicated.
(a) Dispersion diagram of the single-line defect PhC-WG under study. The dotted and dashed lines indicate the position of the air light cone and folded substrate light cone, respectively. (b) Intensity of the out-of-plane scattering at the entrance of the waveguide for and polarizations, respectively.
(a) Symbols: Intensity of the out-of-plane scattering measured along the waveguide at the normalized energy . Line: Linear fit yielding (b) Symbols: Propagation losses extracted from the experimental data using the same procedure as in (a). Lines: Estimated propagation losses as a function the reflectivity of the PhC-WG boundaries.
Intensity of the out-of-plane scattering at the normalized energy measured along the PhC 60° bends shown in the inset. The straight PhC sections (Regions A and C) which connect the bend (Region B) consist of one missing row and their length is .
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