Highly Sensitive Coherent Optical Frequency-domain Reflectometry Employing SSB-modulator with cm-level Spatial Resolution over 5 km

Konferenz: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
16.09.2007- 20.09.2007 in Berlin, Germany

Tagungsband: ECOC 2007

Seiten: 2Sprache: EnglischTyp: PDF

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Koshikiya, Yusuke; Fan, Xinyu; Ito, Fumihiko (NTT Access Network Service Systems Laboratories, NTT Corporation 1-7-1, Hanabatake, Tsukuba, Ibaraki, Japan)

We present OFDR employing an SSB-modulator and a narrow linewidth fibre-laser. We achieved cmlevel resolution over 5 km measurement range and high sensitivity with a noise level 23 dB lower than the Rayleigh backscatter level.