Title :
Intermodal coupler using permanently photoinduced grating in two-mode optical fibre
Author :
Park, H.G. ; Kim, Byoung Yoon
Author_Institution :
Stanford Univ., CA, USA
fDate :
6/8/1989 12:00:00 AM
Abstract :
A permanent index grating with a period equal to the modal beat length is created in a germanium-doped elliptical-core two-mode fibre through a photoinduced process, to make an intermodal coupler. It can also function as an optical wavelength filter.
Keywords :
diffraction gratings; optical couplers; optical fibres; optical filters; elliptical-core two-mode fibre; intermodal coupler; modal beat length; optical wavelength filter; permanent index grating; permanently photoinduced grating; photoinduced process; two-mode optical fibre;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890538
