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11 September 2015 Implementing and testing a fiber-optic polarization-based intrusion detection system
Rasha El Hajj, Gregory MacDonald, Pramode Verma, Robert Huck
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Optical Engineering, Vol. 54, Issue 9, 096107 (September 2015). https://doi.org/10.1117/1.OE.54.9.096107
Abstract
We describe a layer-1-based intrusion detection system for fiber-optic–based networks. Layer-1-based intrusion detection represents a significant elevation in security as it prohibits an adversary from obtaining information in the first place (no cryptanalysis is possible). We describe the experimental setup of the intrusion detection system, which is based on monitoring the behavior of certain attributes of light both in unperturbed and perturbed optical fiber links. The system was tested with optical fiber links of various lengths and types, under different environmental conditions, and under changes in fiber geometry similar to what is experienced during tapping activity. Comparison of the results for perturbed and unperturbed links has shown that the state of polarization is more sensitive to intrusion activity than the degree of polarization or power of the received light. The testing was conducted in a simulated telecommunication network environment that included both underground and aerial links. The links were monitored for intrusion activity. Attempts to tap the link were easily detected with no apparent degradation in the visual quality of the real-time surveillance video.
CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.
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Rasha El Hajj, Gregory MacDonald, Pramode Verma, and Robert Huck "Implementing and testing a fiber-optic polarization-based intrusion detection system," Optical Engineering 54(9), 096107 (11 September 2015). https://doi.org/10.1117/1.OE.54.9.096107
Published: 11 September 2015
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Cited by 6 scholarly publications.
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KEYWORDS
Polarization
Computer intrusion detection
Fiber optics tests
Fiber optics
Optical fibers
Single mode fibers
Video
CHORUS Article. This article was made freely available starting 10 September 2016
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