Title :
Precise and simple group delay measurement of dispersive devices based on ultrafast optical differentiation
Author :
Fangxin Li ; Yongwoo Park ; Azana, Jose
Author_Institution :
Inst. Nat. de la Rech. Sci., Montreal, QC, Canada
Abstract :
We propose and demonstrate a very simple technique for accurately measuring the group delay of dispersive devices. It only requires an optical differentiator (uniform long-period fiber grating), a pulsed laser source and a high-speed oscilloscope.
Keywords :
delays; diffraction gratings; high-speed optical techniques; laser beams; light sources; optical fibre dispersion; optical fibre testing; dispersive devices; group delay measurement; high-speed oscilloscope; optical differentiator; pulsed laser source; ultrafast optical differentiation; uniform long-period fiber grating; Delay; Dispersion; Fiber gratings; Fiber lasers; High speed optical techniques; Optical devices; Optical fiber devices; Optical pulses; Oscilloscopes; Ultrafast optics;
Conference_Titel :
Optical Fiber communication/National Fiber Optic Engineers Conference, 2008. OFC/NFOEC 2008. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-55752-856-8
DOI :
10.1109/OFC.2008.4528682
