Title :
An optical pump controlled tunable phase-shifted fiber grating transmission filter
Author :
Lai, Y. ; Zhang, W. ; Zhang, L. ; Williams, J.A.R. ; Bennion, I.
Author_Institution :
Aston Univ., Birmingham, UK
Abstract :
We demonstrate a phase-shifted fiber grating transmission filter remotely tunable using optical pump-induced thermal effects in Er/Yb codoped fiber sections. A wavelength-independent induced phase shift of 0.1 π/mW and a transmission extinction ratio of > 21dB are achieved.
Keywords :
Bragg gratings; erbium; optical fibre filters; optical phase shifters; optical pumping; optical tuning; ytterbium; Er/Yb codoped fiber section; optical pump controlled tuning; optical pump-induced thermal effect; phase-shifted fiber grating; transmission extinction ratio; transmission filter; Bandwidth; Bragg gratings; Fiber gratings; Frequency; Optical control; Optical fiber filters; Optical filters; Optical pumping; Propagation delay; Reflection;
Conference_Titel :
Optical Fiber Communications Conference, 2003. OFC 2003
Print_ISBN :
1-55752-746-6
DOI :
10.1109/OFC.2003.1247471
