Title :
A novel OSNR monitoring technique based on cascaded long-period fiber grating with optically tunable phase shifter
Author :
Jeon, Sie-Wook ; Park, Chang-Soo
Author_Institution :
Dept. of Inf. & Commun., Gwangju Inst. of Sci. & Technol., Gwangju, South Korea
fDate :
Oct. 30 2008-Nov. 2 2008
Abstract :
OSNR monitoring technique from 10-Gb/s NRZ-OOK and DPSK signal using a cascaded long-period fiber grating with a tunable phase shifter demonstrated. The monitoring error is within 0.5 ps, and this scheme is not affected by the PMD.
Keywords :
amplitude shift keying; differential phase shift keying; diffraction gratings; optical fibre communication; optical fibres; optical noise; optical phase shifters; optical tuning; DPSK signal; NRZ-OOK signal; OSNR monitoring technique; bit rate 10 Gbit/s; cascaded long-period fiber grating; differential phase shift keying; monitoring error; nonreturn-to-zero on-off keying; optical signal-noise ratio; optically tunable phase shifter; Delay effects; Fiber gratings; High speed optical techniques; Monitoring; Optical fiber polarization; Optical fibers; Optical interferometry; Optical noise; Phase shifters; Signal to noise ratio;
Conference_Titel :
Optical Fiber Communication & Optoelectronic Exposition & Conference, 2008. AOE 2008. Asia
Conference_Location :
Shanghai
Print_ISBN :
978-1-55752-863-6
Electronic_ISBN :
978-1-55752-863-6
