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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 18 — Sep. 15, 2008
  • pp: 3287–3294

Long Range and cm-Level Spatial Resolution Measurement Using Coherent Optical Frequency Domain Reflectometry With SSB-SC Modulator and Narrow Linewidth Fiber Laser

Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito

Journal of Lightwave Technology, Vol. 26, Issue 18, pp. 3287-3294 (2008)


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Abstract

This paper describes coherent optical frequency domain reflectometry (C-OFDR) with cm-level spatial resolution over 5 km. We propose the use of a single sideband with a suppressed carrier (SSB-SC) modulator and a narrow linewidth fiber laser as a tunable light source for C-OFDR. The advantage of using SSB-SC modulation is clarified theoretically by comparison with a double sideband with suppressed carrier modulation. We achieved cm-level spatial resolution over a 5-km measurement range and high sensitivity with a noise level 30 dB lower than the Rayleigh backscattering level.

© 2008 IEEE

Citation
Yusuke Koshikiya, Xinyu Fan, and Fumihiko Ito, "Long Range and cm-Level Spatial Resolution Measurement Using Coherent Optical Frequency Domain Reflectometry With SSB-SC Modulator and Narrow Linewidth Fiber Laser," J. Lightwave Technol. 26, 3287-3294 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-18-3287

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