Tunability of photonic band gap notch filters

被引：23

作者：

Calo, Giovanna ^{[1
]}

D'Orazio, Antonella ^{[1
]}

De Sario, Marco ^{[1
]}

Mescia, Luciano ^{[1
]}

Petruzzelli, Vincenzo ^{[1
]}

Prudenzano, Francesco ^{[2
]}

机构：

[1] Politecn Bari, Dipartimento Elettrotecn & Elettron, I-70125 Bari, Italy

[2] Politecn Bari, Dipartimento Ingn Ambiente Sviluppo Sostenibile, I-74100 Taranto, Italy

来源：

IEEE TRANSACTIONS ON NANOTECHNOLOGY | 2008年 / 7卷 / 03期

关键词：

beam propagation method; method of lines (MoLs); optical waveguides; photonic crystal (PhC); propagation; wavelength division multiplexing (WDM);

D O I：

10.1109/TNANO.2008.917848

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A notch filter based on an index confined photonic band gap waveguide is proposed. The dropping of an electromagnetic wave having a specific wavelength is obtained by opportunely designing a periodically corrugated overlay. The selective filtering properties of the proposed structure are identified by using a computer code based on the bidirectional beam propagation method with the aid of the method of lines. The optimized design of a notch filter, characterized by a full-width half-maximum (FWHM) bandwidth of 2 nm, is given. The tunability is reached by exploiting the electroclinic effect of smectic-A* liquid crystals.

引用

页码：273 / 284

页数：12

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