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Width-tunable optical RZ pulse train generation based on four-wave mixing in highly nonlinear fiber

We demonstrate a simple technique for width-tunable optical return-to-zero pulse train generation based on four-wave mixing in highly nonlinear fiber. By electrically tuning the delay between two pump pulse trains, the pulsewidth of a generated pulse train is continuously tuned. In our experiment, t...

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Bibliographic Details
Published in:IEEE photonics technology letters 2005-03, Vol.17 (3), p.636-638
Main Authors: Yu, C., Yan, L.-S., Luo, T., Wang, Y., Pan, Z., Willner, A.E.
Format: Article
Language:English
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Summary:We demonstrate a simple technique for width-tunable optical return-to-zero pulse train generation based on four-wave mixing in highly nonlinear fiber. By electrically tuning the delay between two pump pulse trains, the pulsewidth of a generated pulse train is continuously tuned. In our experiment, the full-width at half-maximum (FWHM) of a 5G pulse train is tuned from 85 to 25 ps, and the FWHM of a 10G pulse train is tuned from 33 to 18 ps. And the simulation results show that the FWHM of a 40G pulse train can be tuned continuously from 10.6 to 2.9 ps. Negligible power penalty is observed after 59-km single-mode fiber and 11.4-km dispersion-compensation-fiber transmission for different pulsewidths at 10 Gb/s.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2004.842372