Polarisation-preserving coupler with self aligning birefringent fibres
- 29 September 1983
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 19 (20) , 825-826
- https://doi.org/10.1049/el:19830562
Abstract
Polarisation-preserving directional couplers have been fabricated with birefringent fibres that self align their axes within the coupling region. The polarisation characteristics have been measured with the reliable spectral-averaging technique, and broadband extinction ratios of −20 dB have been achieved, on average, in all ports.Keywords
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