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e =12, r=0.2a

e =12, r=0.2a. Red = TE (E-field parallel to plane of periodicity) Blue = TM (E-field perpendicular to plane of periodicity). r=0.3a. http://ab-initio.mit.edu/photons/tutorial/photonic-intro.pdf. Dielectric columns in air. Dielectric veins in air. TM D -field. TE H -field. Dielectric

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e =12, r=0.2a

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  1. e=12, r=0.2a Red = TE (E-field parallel to plane of periodicity) Blue = TM (E-field perpendicular to plane of periodicity) r=0.3a http://ab-initio.mit.edu/photons/tutorial/photonic-intro.pdf

  2. Dielectric columns in air Dielectric veins in air TM D-field TE H-field Dielectric band Air band Dielectric band Air band negative positive negative positive FROM: Photonic Crystals by J.D. Joannopoulos, R.D. Meade, J.N. Winn (Princeton Univ. Press: NJ, 1995)

  3. Assumes e=11.4

  4. 0.45 0.46 0.14 Requires feature size of ~ 54 nm Requires feature size of ~ 420 nm

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