Continuously tunable devices based on electrical control of dual-frequency liquid crystal filled photonic bandgap fibers

被引：137

作者：

Scolari, L ^{[1
]}

Alkeskjold, TT

Riishede, J

Bjarklev, A

机构：

[1] Tech Univ Denmark, Res Ctr COM, DK-2800 Lyngby, Denmark

[2] Univ Bologna, DEIS, I-40136 Bologna, Italy

[3] Chalmers Univ Technol, Photon Lab, Dept Microtechnol & Nanosci, S-41296 Gothenburg, Sweden

[4] Crystal Fibre AS, DK-3460 Birkerod, Denmark

来源：

OPTICS EXPRESS | 2005年 / 13卷 / 19期

关键词：

D O I：

10.1364/OPEX.13.007483

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present an electrically controlled photonic bandgap fiber device obtained by infiltrating the air holes of a photonic crystal fiber (PCF) with a dual-frequency liquid crystal (LC) with pre-tilted molecules. Compared to previously demonstrated devices of this kind, the main new feature of this one is its continuous tunability due to the fact that the used LC does not exhibit reverse tilt domain defects and threshold effects. Furthermore, the dual-frequency features of the LC enables electrical control of the spectral position of the bandgaps towards both shorter and longer wavelengths in the same device. We investigate the dynamics of this device and demonstrate a birefringence controller based on this principle. (c) 2005 Optical Society of America.

引用

页码：7483 / 7496

页数：14

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