Brillouin Stokes comb generated in a distributed fiber Raman amplifier

Hugo F. Martins; Manuel B. Marques; Orlando Frazão

doi:10.1117/12.891935

26 July 2011 Brillouin Stokes comb generated in a distributed fiber Raman amplifier

Hugo F. Martins, Manuel B. Marques, Orlando Frazão

Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 80013X (2011) https://doi.org/10.1117/12.891935
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal

Abstract

A Brillouin Stokes comb laser with increased flatness is reported. The feedback for the laser is provided by a distributed mirror combined with a narrowband seed laser. The Brillouin seed power and wavelength optimization is crucial in order to obtain a uniform power level between Stokes lines. The Brillouin seed must have a relatively large power and its wavelength must be located close to the Raman peak gain region. The flat-amplitude bandwidth is also determined by the choice of Raman pump wavelength. A flat-amplitude bandwidth of 34 nm from 1538 nm to 1572 nm is measured when Raman pump wavelength is set to 1455 nm. 425 uniform Brillouin Stokes lines with 0.08 nm spacing are generated across the wavelength range. The average signal-to-noise ratio of 15 dB is obtained for all the Brillouin Stokes lines. This type of laser can be used in optical communications as a multiwavelength source and also in metrology as a frequency ruler.

Citation Download Citation

Hugo F. Martins, Manuel B. Marques, and Orlando Frazão "Brillouin Stokes comb generated in a distributed fiber Raman amplifier", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80013X (26 July 2011); https://doi.org/10.1117/12.891935

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