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Generation of a 100-GHz optical pulse train by pulse repetition-rate multiplication using superimposed fiber Bragg gratings

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5 Author(s)
J. Azana ; Dept. of Electr. & Comput. Eng., McGill Univ., Montreal, Que., Canada ; P. Kockaert ; R. Slavik ; L. R. Chen
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We demonstrate the use of superimposed fiber Bragg gratings (FBGs) operating in reflection as amplitude and phase filtering stages for multiplying the repetition rate of a given optical pulse sequence. In particular, we use a 1-cm-long structure of two superimposed linearly chirped FBGs to generate a continuous optical pulse train with a repetition rate of 100 GHz (duty cycle /spl ap/50%) at a wavelength of 1.55 μm from a 10-GHz mode-locked fiber laser.

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IEEE Photonics Technology Letters  (Volume:15 ,  Issue: 3 )