Degenerate down-conversion in photonic crystals is investigated as a source of entangled photons. Phase matching relies on form birefringence and on a change in phase velocity near the band edge of the photonic crystal.
© 2004 Optical Society of America
M. J. de Dood, W. T. Irvine, and D. Bouwmeester, "Down-conversion and entangled photon pairs from photonic crystals," in Conference on Lasers and Electro-Optics/International Quantum Electronics Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2004), paper JWC4.
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