Title :
F2-laser micromachining of fibre-tipped Mach-Zehnder interferometer
Author :
Li, J. ; Herman, P.R.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Toronto, Ont., Canada
fDate :
5/11/2006 12:00:00 AM
Abstract :
A compact Mach-Zehnder interferometer (MZI) with high 27 dB modulation ratio was fabricated on the end facet of a singlemode optical fibre by F2-laser micromachining. The deep ultraviolet (157 nm) laser excised a shallow phase-shift channel across one-half of the fibre core to generate sinusoidal interference spectra controllable by the laser-etch depth.
Keywords :
Mach-Zehnder interferometers; fibre optic sensors; laser beam etching; micromachining; optical fibre fabrication; 157 nm; F2; F2-laser micromachining; deep ultraviolet laser; end facet; fibre core; fibre-tipped Mach-Zehnder interferometer; laser-etch depth; shallow phase-shift channel; singlemode optical fibre; sinusoidal interference spectra;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20060425
