A novel tunable dispersion device, based on two chirped fibre gratings subjected to non-uniform magnetic fields, is presented. A large degree of tunability is achieved from 250 to 750 ps/nm. This is used to demonstrate RF filtering in the 3-11 GHz range.
Mora Almerich, José Ortega, B. Díez Cremades, Antonio Andrés, Miguel V. Capmany, J. Cruz Muñoz, José Luis Pastor, D. 2003 Highly tunable optically switched time delay line for transversal filtering Electronics Letters 39 25 1799 1800
