Wide bandwidth, low loss and highly rejective doublyphase-shifted UV-written fibre bandpass filter
- 14 March 1996
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 32 (6) , 581-582
- https://doi.org/10.1049/el:19960330
Abstract
The authors report the realisation of a new UV written fibre bandpass filter composed of two quarter-wave shifts inserted in a short Bragg grating. This new resonator presents a wider transmission band than classical singly phase-shifted grating of equal lengths and equivalent rejection bandwidths.Keywords
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