Differential Phase-Shift-Keying Technique-Based Brillouin Echo-Distributed 
Sensing

Lee, Min Won; Stiller, Birgit; Hauden, Jerome; Maillotte, Herve; Roch, Carole; Thevenaz, Luc; Sylvestre, Thibaut

doi:10.1109/LPT.2011.2172255

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Differential Phase-Shift-Keying Technique-Based Brillouin Echo-Distributed Sensing

Lee, M. W., Stiller, B., Hauden, J., Maillotte, H., Roch, C., Thevenaz, L., et al. (2012). Differential Phase-Shift-Keying Technique-Based Brillouin Echo-Distributed Sensing. IEEE PHOTONICS TECHNOLOGY LETTERS, 24(1), 79-81. doi:10.1109/LPT.2011.2172255.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0004-B5C2-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0004-B5C3-3

Genre: Journal Article

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Creators:
Lee, Min Won¹, Author
Stiller, Birgit², Author
Hauden, Jerome¹, Author
Maillotte, Herve¹, Author
Roch, Carole¹, Author
Thevenaz, Luc¹, Author
Sylvestre, Thibaut¹, Author

Affiliations:
1external, ou_persistent22
2External Organizations, ou_persistent22

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Free keywords: Brillouin echo-distributed sensing; Brillouin optical time-domain analysis

Abstract: In this letter, we experimentally demonstrate Brillouin echoes-based
distributed optical fiber sensing with centimeter spatial resolution. It
is based on a differential phase-shift-keying technique using a single
Mach-Zehnder modulator to generate a pump pulse and a pi-phase-shifted
pulse with an easy and accurate adjustment of delay. The results are
compared to those obtained in standard Brillouin echo-distributed
sensing system with two optical modulators and clearly show a resolution
of 5 cm in a spliced segment between two fibers by applying a
pi-phase-shifted pulse of 500 ps.

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Language(s): eng - English

Dates: Date issued: 2012-01-01

Publication Status: Issued

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Identifiers: DOI: 10.1109/LPT.2011.2172255

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Title: IEEE PHOTONICS TECHNOLOGY LETTERS

Source Genre: Journal

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Publ. Info: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC

Pages: - Volume / Issue: 24 (1) Sequence Number: - Start / End Page: 79 - 81 Identifier: ISSN: 1041-1135