An optically tunable photonic fractional temporal differentiator using a tilted-fiber-Bragg-grating written in an erbium/ytterbium co-doped fiber is proposed. The temporal differentiation of a Gaussian pulse with a bandwidth of 28 GHz at different orders is demonstrated.
© 2012 OSA
(050.2770) Diffraction and gratings : Gratings
(070.1170) Fourier optics and signal processing : Analog optical signal processing
(060.5625) Fiber optics and optical communications : Radio frequency photonics
J. Yao and H. Shahoei, "Tunable Fractional Order Temporal Differentiator Using an Optically Pumped Tilted Fiber Bragg Grating," in Advanced Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper BW4E.2.