Distributed Brillouin Fiber Sensor With Enhanced Sensitivity Based on 
Anti-Stokes Single-Sideband Suppressed-Carrier Modulation

Duc Nguyen, Minh; Stiller, Birgit; Lee, Min Won; Beugnot, Jean-Charles; Maillotte, Herve; Mottet, Alexandre; Hauden, Jerome; Sylvestre, Thibaut

doi:10.1109/LPT.2012.2228848

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Distributed Brillouin Fiber Sensor With Enhanced Sensitivity Based on Anti-Stokes Single-Sideband Suppressed-Carrier Modulation

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Citation

Duc Nguyen, M., Stiller, B., Lee, M. W., Beugnot, J.-C., Maillotte, H., Mottet, A., et al. (2013). Distributed Brillouin Fiber Sensor With Enhanced Sensitivity Based on Anti-Stokes Single-Sideband Suppressed-Carrier Modulation. IEEE PHOTONICS TECHNOLOGY LETTERS, 25(1), 94-96. doi:10.1109/LPT.2012.2228848.

Cite as: https://hdl.handle.net/21.11116/0000-0004-B5BC-C

Abstract

We demonstrate an alternative technique to reduce pump depletion and to
improve sensitivity in the long-range Brillouin optical time-domain
analysis (BOTDA) sensor. Our BOTDA system uses an anti-Stokes
single-sideband suppressed-carrier modulation technique that balances
the pump depletion due to fiber loss. With this technique, we show both
numerically and experimentally a great improvement compared to the dual
sideband standard technique.