Tunability of A 2.5 D and of a triangular photonic crystals

Ciobanu Mihai; Preda Liliana; Savastru Dan; Savastru Roxana; Carstea E.

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CIOBANU, Mihai, PREDA, Liliana, SAVASTRU, Dan, SAVASTRU, Roxana, CARSTEA, E.. Tunability of A 2.5 D and of a triangular photonic crystals. In: Materials Science and Condensed Matter Physics, Ed. 6, 11-14 septembrie 2012, Chișinău. Chișinău, Republica Moldova: Institutul de Fizică Aplicată, 2012, Editia 6, p. 203. ISBN 978-9975-66-290-1.

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Materials Science and Condensed Matter Physics
Editia 6, 2012

Conferința "Materials Science and Condensed Matter Physics"
6, Chișinău, Moldova, 11-14 septembrie 2012

Tunability of A 2.5 D and of a triangular photonic crystals

Pag. 203-203

Ciobanu Mihai¹, Preda Liliana², Savastru Dan¹, Savastru Roxana¹, Carstea E.¹

¹ National Institute for Optoelectronics INOE2000, Magurele,
² University Politehnica of Bucharest

Disponibil în IBN: 23 martie 2020

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With the aid of numerical simulations, we study the tunability of photonic structures, by evidencing the band gaps (BGs) of a particular 2.5D and of a triangular photonic crystals. Several runs were performed for different values of the dielectric constant, ranging from the dielectric constant ε = 15 to ε = 150. Results shown the BGs cover a large intervals. The numerical model with which the numerical simulations were performed is presented too. We conclude these configurations could be used for tunable high – reflectivity and high – directionality antenna. The pioneering work of Yablonovitch [1] and John [2], which emphasized the analogy between electronic waves in a crystal and light waves in a three-dimensionally periodic structure, and evidenced a complete photonic band gap, led to further studies which cover a large range of domains. As mentioned before, the aim of this paper is to demonstrate, with the aid of numerical simulations, large intervals of BGs in a particular photonic crystal with hexagonal and triangular symmetry.figure

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<cfAbstr cfLangCode='EN' cfTrans='o'><p>With the aid of numerical simulations, we study the tunability of photonic structures, by evidencing the band gaps (BGs) of a particular 2.5D and of a triangular photonic crystals. Several runs were performed for different values of the dielectric constant, ranging from the dielectric constant &epsilon; = 15 to &epsilon; = 150. Results shown the BGs cover a large intervals. The numerical model with which the numerical simulations were performed is presented too. We conclude these configurations could be used for tunable high &ndash; reflectivity and high &ndash; directionality antenna. The pioneering work of Yablonovitch [1] and John [2], which emphasized the analogy between electronic waves in a crystal and light waves in a three-dimensionally periodic structure, and evidenced a complete photonic band gap, led to further studies which cover a large range of domains. As mentioned before, the aim of this paper is to demonstrate, with the aid of numerical simulations, large intervals of BGs in a particular photonic crystal with hexagonal and triangular symmetry.</p><p>figure</p></cfAbstr>
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