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Dispersion diagram of the PhC waveguide showing the region of interest; where and .
(a) SEM top view of a fabricated PhC waveguide; part of the access ridge waveguides are also visible. (b) Cross-sectional SEM image of a representative PhC test structure showing near-vertical profiles; the test PhC structures were processed along with PhC waveguides.
Transmission spectra for PhC waveguides with 6 (diamond), 8 (circle), and 12 (square) side-rows of holes. Inset: part of the transmission spectra showing the long-wavelength edges of the MSBs. The spectra are normalized with respect to transmission at , outside the MSB.
Transmission spectra of a PhC waveguide at different temperatures. For the sake of clarity only one edge of the MSB is shown. The spectra are normalized with respect to transmission at , outside the MSB.
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