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. Author manuscript; available in PMC: 2015 Sep 7.
Published in final edited form as: IEEE Photonics J. 2015 Jun 1;7(3):6801810. doi: 10.1109/JPHOT.2015.2435699

Fig. 3.

Fig. 3

Resonant (a) 1-D and (b) 2-D surfaces. The grating vector (G) allows coupling of incident light with k-vector (k) into resonant modes (shown in yellow) of the grating layer.