26 December 2001 3D crystals dispersion relation: improved convergence using fast Fourier factorization (FFF) method
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Abstract
Photonic crystals have been a subject of intensive study during the last years in view of their wide bandgap, which is almost independent of the incident angle and thus enables light confinement in one, two, or three dimensions. The present work discusses another much less known property of photonic crystals to diffract light like diffraction gratings, due to their periodicity. Several examples are given to illustrate the possibility of perfect blazing in unpolarized light, a property that is quite useful for light demultiplexing.
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Stefan Enoch, Stefan Enoch, Evgueni K. Popov, Evgueni K. Popov, Michel Neviere, Michel Neviere, } "3D crystals dispersion relation: improved convergence using fast Fourier factorization (FFF) method", Proc. SPIE 4438, Physics, Theory, and Applications of Periodic Structures in Optics, (26 December 2001); doi: 10.1117/12.451491; https://doi.org/10.1117/12.451491
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