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Article Dans Une Revue IEEE Photonics Technology Letters Année : 2011

All-Fibered High-Quality Stable 20-GHz and 40-GHz Picosecond Pulse Generators

Résumé

In this work, we investigate the generation of stable 20- and 40-GHz pulse trains through the nonlinear compression of an initial beat-signal in a cavity-less optical-fiber-based device. Enhanced temporal stability is achieved by generating the sinusoidal beating thanks to a commercial LiNbO3 intensity modulator driven by a half repetition-rate external RF clock. We also show that the residual timing jitter induced by the RF phase modulation imposed to suppress Brillouin back-scattering can be reduced by managing the cumulated dispersion of the compression line, whereas complete polarization stabilization is obtained owing to a modified setup involving a Faraday rotator mirror. Finally, a high-quality 160-Gbit/s signal is generated from our low duty-cycle 40-GHz pulse source through optical time-division multiplexing.
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Dates et versions

hal-00607465 , version 1 (08-07-2011)

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Ibrahim El Mansouri, Julien Fatome, Christophe Finot, Stéphane Pitois, Michel Lintz. All-Fibered High-Quality Stable 20-GHz and 40-GHz Picosecond Pulse Generators. IEEE Photonics Technology Letters, 2011, 23 (20), pp.1487-1489. ⟨10.1109/LPT.2011.2163502⟩. ⟨hal-00607465⟩
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