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Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources
Open accessAbstract
Experimental and theoretical investigations of coherent optical-frequency-domain reflectometry using semiconductor laser sources are presented. Good agreement was found between the analysis of the signal-to-noise ratio due to the phase noise and the experimental results. The sensitivity limit due to the quantum noise is also described. Limitations due to the nonlinearity in the optical frequency sweep produced by the thermal-response time of the laser and mode hopping are investigated and compared with experimental results. Two interferometric methods to characterize the thermal-response time of the laser and their implementations are described. The effects of mode hopping in the optical-frequency sweep are compared to numerical simulations. A simple formula to predict the position of spurious peaks due to mode hopping are presented. A spatial resolution of 400 /spl mu/m over 10 cm was obtained by correcting the nonlinearity in the optical-frequency sweep by using an auxiliary interferometer. The Rayleigh backscattering was observed for the first time over more than 400 m of fiber using a DFB laser coupled to an external cavity.>
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Cites
Quantum-mechanical noise in an interferometer
Caves, C. M. (1981) · Physical Review D · doi:10.1103/physrevd.23.1693 · Cited by 3,202
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Optical coherence tomography using a frequency-tunable optical source
Chinn, S. R., Swanson, E. A., & Fujimoto, J. G. (1997) · Optics Letters · doi:10.1364/ol.22.000340 · Cited by 666
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Salart, D., Baas, A., Branciard, C., Gisin, N., & Zbinden, H. (2008) · Nature · doi:10.1038/nature07121 · Cited by 317
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Metadata
- Authors
- Passy, R., Gisin, N., von der Weid, J. P., & Gilgen, H. H.
- Venue
- Journal of Lightwave Technology
- Published
- 1994
- Volume
- 12
- Issue
- 9
- Pages
- 1622-1630
- ISSN
- 0733-8724 (ISSN-L)
- OpenAlex
- W2138835966
- Cited by
- 182
- References
- 1
- FWCI
- 7.32
- Type
- journal article
- Language
- en
- Open access
- green
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- Passy, R., Gisin, N., von der Weid, J. P., & Gilgen, H. H. (1994). Experimental and theoretical investigations of coherent OFDR with semiconductor laser sources. Journal of Lightwave Technology. https://doi.org/10.1109/50.320946
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