All-fiber filter for efficient dispersion compensation
- 1 March 1991
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 16 (5) , 303-305
- https://doi.org/10.1364/ol.16.000303
Abstract
A dispersive filter is proposed that is based on the coupling, with a chirped periodic perturbation, of two copropagating waveguide modes that have different group velocities. Numerical calculations show that a nearly constant dispersion can be obtained over the filter bandwidth. Pulse recompression by a factor of 10 or more is possible. The filter could be made with photoinduced refractive-index gratings in optical filters.Keywords
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