Title :
Polarisation-maintaining fibre couplers with low excess loss
Author :
Yokohama, I. ; Kawachi, M. ; Okamoto, K. ; Noda, J.
Author_Institution :
NTT Electrical Communications Laboratories, Tokai, Japan
Abstract :
Polarisation-maintaining fused fibre couplers with excess loss of less than 0.1 dB have been fabricated by using polarisation-maintaining and absorption-reducing (PANDA) fibres with matched-index stress-applying parts. The couplers show polarisation crosstalk of less than ¿30 dB.
Keywords :
crosstalk; optical couplers; optical fibres; optical losses; PANDA fibres; low excess loss; matched-index stress-applying parts; polarisation crosstalk; polarisation maintaining fibre couplers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19860632
