Title :
Fibre-embedded optical isolator
Author :
Shiraishi, Kotaro ; Aizawa, Yu ; Yanagi, Takashi ; Kawakami, Shojiro
Author_Institution :
Res. Inst. of Electr. Commun., Tohoku Univ., Sendai, Japan
Abstract :
A fibre-embedded optical isolator without a lens element is proposed and fabricated. The isolator consists of beam-expanding fibres, laminated polarisers and a Faraday rotation garnet. Backward and forward losses at 1.3 mu m wavelength are 36.9 and 1.6 dB, respectively.
Keywords :
light polarisation; magneto-optical devices; optical fibres; optical isolators; optical losses; 1.3 micron; 1.6 dB; 36.9 dB; Faraday rotation garnet; backward losses; beam-expanding fibres; fibre-embedded optical isolator; forward losses; laminated polarisers;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890892
