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Observation of large parity-change-induced dispersion in triangular-lattice photonic crystal waveguides using phase sensitive techniques
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10.1063/1.2174098
/content/aip/journal/apl/88/7/10.1063/1.2174098
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/7/10.1063/1.2174098
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Experimental setup schematic; (b) SEM picture of a 400-period triangular lattice W1 PCW, formed by removing one row of air holes, with input and output ridge waveguides: The radius of all holes is , where is the lattice constant of photonic crystal. (c) Dispersion diagram of PCW calculated using the 3D FDTD method, in which filled circles represent even modes, filled squares represent odd modes and filled triangles represent weakly guided modes. (d) Simulated intensity profile of the even and odd modes of the PCW at normalized frequencies of and , respectively.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Transmission and (b) signal group delay spectra of a 50-period triangular lattice photonic crystal waveguide (PCW). (c) Transmission and (d) group delay spectra of a 150-period triangular lattice PCW. Images in (e) and (f) are the far-field profiles corresponding to the frequencies marked in (b), respectively. The lattice constant of all the samples is . Further properties of the photonic crystal structures are the same as those in the caption of Fig. 1 .

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/content/aip/journal/apl/88/7/10.1063/1.2174098
2006-02-15
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Observation of large parity-change-induced dispersion in triangular-lattice photonic crystal waveguides using phase sensitive techniques
http://aip.metastore.ingenta.com/content/aip/journal/apl/88/7/10.1063/1.2174098
10.1063/1.2174098
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