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(Color online) (a) Large-scale SEM image of the MEH-PPV photonic crystal heterostructure. The arrow indicates the propagation direction of the signal light. (b) Small-scale SEM image of the photonic crystal heterostructure. (c) Simulated transmission spectra of component 1 (right) and 2 (left). (d) Linear absorption spectrum of MEH-PPV films.
(Color online) Transmission spectra of the MEH-PPV photonic crystal heterostructure (up is for rightward and down for leftward). (a) Measure results. (b) Calculated results.
(Color online) Constant -frequency contours of the photonic crystal heterostructure for the wavelength of 650 nm. The yellow and blue lines are the light cone in air and MEH-PPV, respectively. The red and green lines are the constant-frequency contours for components 1 and 2, respectively. The black and blue arrows represent the wavevectors in the component photonic crystals and the MEH-PPV optical guides, respectively. The thick arrows indicate the group-velocity directions.
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