Title :
Close-spaced fused fibre wavelength division multiplexers with very low polarisation sensitivity
Author :
Wilkinson, I.J. ; Rowe, C.J.
Author_Institution :
British Telecom Res. Labs., Ipswich, UK
fDate :
3/15/1990 12:00:00 AM
Abstract :
The authors 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 :
frequency division multiplexing; light polarisation; multiplexing equipment; optical communication equipment; optical couplers; optical fibres; optical losses; optical waveguide theory; WDM; close spaced configuration; fabrication; insertion loss; low polarisation sensitivity; narrowband fused type; optical communication; optical fibre couplers; polarisation quenching methods; temperature stability; twisting technique; wavelength division multiplexers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900249
