DocumentCode
2186454
Title
Design of Long-Period Grating Couplers Based on Asymmetric Dual-Core Fibres
Author
Chan, Florence Y M ; Yasumoto, Kiyotoshi
Author_Institution
Kyushu Univ., Fukuoka
fYear
2007
fDate
17-21 Sept. 2007
Firstpage
849
Lastpage
851
Abstract
We demonstrate a grating coupler using an asymmetric dual-core fibre with a pair of long-period gratings (LPGs). Simple formulas for the achievement of high coupling efficiency are derived and the results are compared with reported LPG couplers based on two discrete fibres. Our results show that with a proper choice of grating parameters, the coupling efficiency reaches 100%. A passing band with steep band transitions and side lobes less than ~25 dB can be achieved.
Keywords
diffraction gratings; optical couplers; optical fibres; asymmetric dual-core fibres; discrete fibres; long-period grating couplers; passing band; steep band transitions; Computer science; Fabrication; Fiber gratings; Frequency conversion; Optical coupling; Optical fiber couplers; Packaging; Resonance;
fLanguage
English
Publisher
ieee
Conference_Titel
Electromagnetics in Advanced Applications, 2007. ICEAA 2007. International Conference on
Conference_Location
Torino
Print_ISBN
978-1-4244-0767-5
Electronic_ISBN
978-1-4244-0767-5
Type
conf
DOI
10.1109/ICEAA.2007.4387437
Filename
4387437
Link To Document