Title :
Control of polarisation degradation in fibre amplifier WDMs
Author :
O´Sullivan, N.M. ; Birks, T.A. ; Hussey, C.D.
Author_Institution :
Limerick Univ., Ireland
Abstract :
Polarisation degradation of the crosstalk isolation of 1480/1550 singlemode WDMs can be controlled by increasing the width of the tapered coupler waist. The technique is simple and does not involve any disturbance of the WDM channel wavelengths after coupler fabrication.
Keywords :
crosstalk; fibre lasers; frequency division multiplexing; light polarisation; optical couplers; crosstalk isolation; fibre amplifier WDMs; polarisation degradation; singlemode WDMs; tapered coupler waist;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19921028