Summary form only given. We report the fabrication and tuning characteristics of a novel nonlinearly-chirped fiber Bragg grating (FBG). We use only a single mechanical PZT stretching element to tune the resonant wavelength of the device to dramatically and smoothly alter the generated chirp in a nonlinear function for a given channel from 300 ps/nm up to 1000 ps/nm. Moreover, the reflected power varies by only /spl sim/0.7 dB during tuning. This nonlinear FBG has a stable switching speed up to 100 Hz, which is sufficiently fast for active dispersion compensation in circuit-switched optical systems. Such an active dispersion technique may be placed in optical nodes for highly-robust performance. Although we have achieved dispersion tuning from 300-1000 ps/nm, larger dispersion tuning ranges can be obtained.


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    Title :

    Tunable nonlinearly-chirped fiber Bragg grating for use as a dispersion compensator with a voltage-controlled dispersion


    Contributors:
    Feng, K.-M. (author) / Grubsky, V. (author) / Starodubov, D.S. (author) / Cai, J.-X. (author) / Willner, A.E. (author) / Feinberg, J. (author)


    Publication date :

    1998-01-01


    Size :

    322945 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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