Use of a dielectric stack as a one-dimensional photonic crystal for wavelength demultiplexing by beam shifting
- 15 October 2000
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 25 (20) , 1502-1504
- https://doi.org/10.1364/ol.25.001502
Abstract
We demonstrate the use of a 30-period dielectric stack structure as a highly dispersive device to spatially separate two beams with a 4-nm wavelength difference by more than their beam width. Unlike previous devices, our structure is simple to fabricate and relatively compact. We discuss possible applications of our device within wavelength-division multiplexing systems.Keywords
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