17 September 2010 Experimental observation and numerical simulation of the Laue diffraction in one-dimensional photonic crystals
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Abstract
We present the results of numerical and experimental studies of spatial and temporal separation of femtosecond light pulses in 1D photonic crystals (PC) in Laue diffraction geometry. The porous silicon PC are fabricated by electrochemical etching using and contain 400 pairs of alternating layers with optical thickness 600 and 680 nm, so that the center of the photonic band gap is placed at about 2600 nm. Spatial splitting of the laser pulse into two, one of them corresponding to the transmitted beam and the second - to the diffracted one, are observed. It is shown that the diffraction angle of the second beam changes when the wavelength of light is tuning, in accordance with the theoretical estimations.
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Sergey E Svyakhovskiy, Sergey E Svyakhovskiy, Anton I. Maydykovskiy, Anton I. Maydykovskiy, Oleg A. Aktsipetrov, Oleg A. Aktsipetrov, } "Experimental observation and numerical simulation of the Laue diffraction in one-dimensional photonic crystals", Proc. SPIE 7755, Nanophotonic Materials VII, 77550O (17 September 2010); doi: 10.1117/12.860657; https://doi.org/10.1117/12.860657
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