Title :
Tunable Mach-Zehnder interferometers with high extinction ratios using abrupt tapers in Er/Yb codoped fiber
Author :
Feng, Zhi-Zheng ; Chen, Nan-Kuang ; Liaw, Shien-Kuei
Author_Institution :
Dept. of Electro-Opt. Eng., Nat. United Univ., Miaoli, Taiwan
Abstract :
We demonstrate tunable Mach-Zehnder interferometer with an extinction ratio of above 31.6 dB through interference between core and cladding modes using two adjacent nonadiabatic tapers in a short length (<;; 13 mm) of highly Er/Yb co-doped fiber.
Keywords :
Mach-Zehnder interferometers; erbium; extinction coefficients; light interference; optical fibre cladding; optical fibre couplers; optical tuning; ytterbium; JkJk:Er,Yb; cladding modes; codoped fiber; core modes; extinction ratios; fiber couplers; nonadiabatic tapers; optical interference; tunable Mach-Zehnder interferometers; Erbium; Extinction ratio; Interference; Mach-Zehnder interferometers; Optical fiber couplers; Optical fiber sensors;
Conference_Titel :
OptoElectronics and Communications Conference (OECC), 2010 15th
Conference_Location :
Sapporo
Print_ISBN :
978-1-4244-6785-3
