Optimization of dispersion-compensating axial index profiles for compressing ultrashort optical pulses in optical fibers

Natalia M. Litchinitser; David B. Patterson

doi:10.1117/12.216827

18 August 1995 Optimization of dispersion-compensating axial index profiles for compressing ultrashort optical pulses in optical fibers

Natalia M. Litchinitser, David B. Patterson

Author Affiliations +

Proceedings Volume 2622, Optical Engineering Midwest '95; (1995) https://doi.org/10.1117/12.216827
Event: Optical Engineering Midwest '95, 1995, Chicago, IL, United States

Abstract

We present a theoretical investigation of the dispersive properties of linearly-chirped fiber Bragg gratings, establishing optimal parameters for the refractive index variation along the fiber length. Employing numerical methods, we show that a 3-cm-long chirped Bragg filter is able to compensate for the dispersion from 100 km of fiber at 1.2 micrometers , recompressing a 20 os Gaussian input pulse from its dispersion-broadened 74.4 ps width back to 20.6 ps. We also prove that a uniform grating profile provides the optimum compression for this input pulse type, confirming recently published claims.

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Natalia M. Litchinitser and David B. Patterson "Optimization of dispersion-compensating axial index profiles for compressing ultrashort optical pulses in optical fibers", Proc. SPIE 2622, Optical Engineering Midwest '95, (18 August 1995); https://doi.org/10.1117/12.216827

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