Title :
Fabrication of low-loss 3 dB couplers with multimode optical fibres
Author :
Tsujimoto, Y. ; Serizawa, H. ; Hattori, K. ; Fukai, M.
Author_Institution :
Matsushita Electric Industrial Co. Ltd., Central Research Laboratories, Moriguchi, Japan
Abstract :
A 3 dB coupler was fabricated using two partially polished fibres which were in contact with each polished portion. The excess insertion loss and the directivity of this coupler are measured to be 0.36 dB and 47.0 dB, respectively.
Keywords :
optical couplers; optical fibres; 3 dB coupler; directivity; insertion loss; multimode optical fibres;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19780105