Electronic tunability of ferroelectric liquid crystal infiltrated photonic crystal fibre |
| |
Authors: | Mathews S. Semenova Y. Farrell G. |
| |
Affiliation: | Photonics Res. Centre, Sch. of Electron. & Commun. Eng., Dublin Inst. of Technol., Dublin; |
| |
Abstract: | The electronic tunability of ferroelectric liquid crystal filled photonic crystal fibres is demonstrated for the first time. The tunability is obtained in the wavelength range of 1500-1600-nm, with a free spectral range of-20-nm. The electronic tunability is achieved by applying an electric field onto the infiltrated photonic crystal fibre which facilitates the photonic bandgap tuning owing to the microsecond-order switching speeds of ferroelectric liquid crystals. The polarised transmission spectrum shows the behaviour of a tunable notch filter with a change in applied voltage. The results obtained could pave the way for the fabrication of fast tunable all-in-fibre devices in the telecom wavelength range. |
| |
Keywords: | |
|
|