Close-spaced fused fibre wavelength division multiplexers with very low polarisation sensitivity

15 March 1990

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 26 (6) , 382-384
https://doi.org/10.1049/el:19900249

Abstract

In this letter we describe the fabrication of high performance narrowband fused fibre wavelength multiplexers. A twisting technique is employed to reduce the polarisation sensitivity. Unlike other polarisation quenching methods, twisting maintains the intrinsically good temperature stability of the device. The twisting mechanism has been studied theoretically using a model with a realistic coupler cross-section.

Keywords

NARROWBAND FUSED TYPE
INSERTION LOSS
WDM
WAVELENGTH DIVISION MULTIPLEXERS
FABRICATION
OPTICAL FIBRE COUPLERS
CLOSE SPACED CONFIGURATION
LOW POLARISATION SENSITIVITY
POLARISATION QUENCHING METHODS
TWISTING TECHNIQUE
OPTICAL COMMUNICATION
TEMPERATURE STABILITY

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