Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1541926 | Optics Communications | 2007 | 4 Pages |
Abstract
This paper presents a tunable transversal filter working with a single optical carrier at constant wavelength. The filter consists of a set of chirped gratings whose time delay is tuned with respect to the emission wavelength of a fiber laser by a piezoelectric actuator; extra lengths of fiber are inserted in the filter arms in order to avoid interferences between signals reflected in different gratings. Two and three taps filters are experimentally demonstrated, the filters transfer function is electronically tuned within the free spectral range.
Keywords
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
S. Torres, P. Pérez-Millán, J.L. Cruz, M.V. Andrés,