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Experimental demonstration of Bloch mode parity change in photonic crystal waveguide
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) Scanning electron microscope view of part of the connecting RW and PCW. (b) Calculated mode profile (field intensity) of PCW even and odd modes for propagation constant respectively equal to 0.6 and 0.98. (c) Band diagram calculation of the PCW (left) and experimental transmission spectrum for TE-polarized light (right).

Image of FIG. 2.
FIG. 2.

Three-dimensional view of SNOM optical (a),(b), and topographical (c) images for input wavelengths equal to (a) and (b). The plane corresponds to the physical dimensions of the device and the axis to the normalized signal on detector (a),(b), and to the third physical dimension (c).

Image of FIG. 3.
FIG. 3.

Three dimensional view of SNOM images in both far- and near-field modes obtained for wavelengths equal to and ( and axes correspond to device physical dimension and axis to the collected light intensity on the detector). The inset shows a schematic view of the probed structure and the two SNOM operating modes. In each figure, light propagates from the right to left-hand side.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental demonstration of Bloch mode parity change in photonic crystal waveguide