High-bit-rate optical synchronization of RZ signals using external-cavity DFB lasers

Pedro Miguel Tavares; Orlando Frazao; Antonio Cunha; L. Botelho Ribeiro; Jose Ferreira da Rocha

doi:10.1117/12.358408

6 July 1999 High-bit-rate optical synchronization of RZ signals using external-cavity DFB lasers

Pedro Miguel Tavares, Orlando Frazao, Antonio Cunha, L. Botelho Ribeiro, Jose Ferreira da Rocha

Proceedings Volume 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications; (1999) https://doi.org/10.1117/12.358408
Event: 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, 1998, Cartagena de Indias, Colombia

Abstract

We report the development of two lab prototypes for all optical clock recovery and optical synchronization, composed by a DFB semiconductor laser driven by a ultra-fast switching current circuit. It was verified that a fast switch of the laser bias current accomplished by the strong feedback in the external cavity induce the self-pulsation needed for correct operation. In the presence of optical RZ signals, the device leaves in natural pulsation frequency synchronizing with the input data.

Citation Download Citation

Pedro Miguel Tavares, Orlando Frazao, Antonio Cunha, L. Botelho Ribeiro, and Jose Ferreira da Rocha "High-bit-rate optical synchronization of RZ signals using external-cavity DFB lasers", Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); https://doi.org/10.1117/12.358408

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