Title :
Reply: Polarisation characteristics in long length v.a.d. single-mode fibres
Author :
Okamoto, K. ; Sasaki, Yutaka ; Miya, T. ; Kawachi, M. ; Edahiro, T.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Keywords :
optical couplers; optical fibres; semiconductor junction lasers; alignment; confocal lenses; coupling efficiency; graded index rod lens; optical couplers; semiconductor junction lasers; single mode optical fibre; spherical ruby lens;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19800681
