Title :
Post-processing of photonic crystal fibres using a CO2 laser beam: a step towards miniature compact fibre devices
Author :
Kakarantzas, G. ; Birks, T.A. ; Russell, P.St.J.
Author_Institution :
Dept. of Phys., Bath Univ., UK
Abstract :
Post processing of photonic crystal fibres with a CO2 laser is a very powerful and versatile method for fabricating miniature compact fibre devices including structural long period gratings and rocking filters. A compact Mach-Zehnder interferometer was made from two consecutive structural rocking filters in a highly birefringent photonic crystal fibre. Each rocking filter had 6 complete twist periods of 0.6 mm giving a total length of just 3.6 mm. For a separation distance between the two rocking filters of 125 mm, the fringe separation (bright-dark) of the interferometer is 2.5 nm. The polarization couplers (rocking filters) are highly compact and they are expected to be temperature stable.
Keywords :
Mach-Zehnder interferometers; gas lasers; laser materials processing; optical fibre fabrication; photonic crystals; 3.6 mm; CO2 laser beam; Mach-Zehnder interferometer; miniature compact fibre devices; photonic crystal fibres; polarization couplers; structural rocking filters; Birefringence; Couplers; Fiber gratings; Fiber lasers; Filters; Optical fiber devices; Optical fiber polarization; Photonic crystal fibers; Power lasers; Temperature;
Conference_Titel :
Information, Communications and Signal Processing, 2003 and Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Conference of the Fourth International Conference on
Print_ISBN :
0-7803-8185-8
DOI :
10.1109/ICICS.2003.1292437
