Title :
Low-loss LD-to-single-mode fibre coupling using twin graded-index rod lens
Author :
Honmou, H. ; Kakimoto, K. ; Kaecle, K.
Author_Institution :
NEC Corp., Kawasaki, Japan
Abstract :
A 2 dB low-loss coupling circuit between a DFB laser diode and single-mode fibre has been realised, utilising a newly developed planoconvex, high numerical aperture, low aberration graded-index-rod lens.
Keywords :
lenses; optical communication equipment; optical couplers; optical workshop techniques; 2 dB; DFB laser diode; high numerical aperture; low aberration; low-loss coupling circuit; planoconvex; single-mode fibre; twin graded-index rod lens;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890035
