Extension of photonic band gaps in one-dimensional photonic crystals |
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| Authors: | V A Tolmachev T S Perova |
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| Institution: | (1) Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia;(2) Department of Electronic and Electrical Engineering, University of Dublin, Trinity College, Dublin 2, Ireland |
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| Abstract: | A method is proposed for extending photonic band gaps by constructing periodic structures from two or more consecutively located photonic crystals with different lattice constants or filling factors. The photonic band gaps with a maximum extension are predicted by superposing the photonic band gap maps on one another. It is demonstrated that both the lowest and higher order band gaps can be merged in photonic crystals with a high refractive index contrast. |
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