Temporal differentiation of optical signals using a phase-shifted fiber Bragg grating | Zendy

Naum K. Berger | Zendy; Boris Levit | Zendy; Baruch Fischer | Zendy; Mykola Kulishov | Zendy; David V. Plant | Zendy; José Azaña | Zendy

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Temporal differentiation of optical signals using a phase-shifted fiber Bragg grating

Author(s) -

Naum K. Berger,

Boris Levit,

Baruch Fischer,

Mykola Kulishov,

David V. Plant,

José Azaña

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.000371

Subject(s) - fiber bragg grating , optics , differentiator , narrowband , bandwidth (computing) , fiber optic sensor , grating , waveform , phosfos , long period fiber grating , materials science , optical fiber , polarization maintaining optical fiber , physics , computer science , telecommunications , radar

We propose and experimentally demonstrate an all-optical (all-fiber) temporal differentiator based on a simple pi-phase-shifted fiber Bragg grating operated in reflection. The proposed device can calculate the first time derivative of the complex field of an arbitrary narrowband optical waveform with a very high accuracy and efficiency. Specifically, the experimental fiber grating differentiator reported here offers an operation bandwidth of approximately 12 GHz. We demonstrate the high performance of this device by processing gigahertz-bandwidth phase and intensity optical temporal variations.

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