Intrusive Passive Optical Tapping Device

Authors	Ismel Dominguez; Ignacio Del Villar; Jorge Montoya-Cardona; Omar Fuentes; Nelson D. Gomez-Cardona; Jesus M. Corres; Ignacio R. Matias
Editors
Type	article
Year	2021
Citekey	`dominguez2021intrusive`

Published in	IEEE Access
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Volume	9
Pages	31627--31637

DOI	10.1109/access.2021.3060588
ISSN	2169-3536

Landing page	https://doi.org/10.1109/access.2021.3060588

Distinct from	iqbal2011optical Two records on tapping optical fibre, ten years apart and from opposite ends of the problem. Iqbal, Fathallah and Belhadj survey the known methods -- bending, splitting, splicing -- report a simulation and a bench proof of concept for the bend method, and propose countermeasures. Dominguez and colleagues build one specific device, a stack of PDMS planar waveguides that couples light out while the signal continues to the far end. The survey is the context the device should be read in; the device is what the survey's non-intrusive category became.

Distinct from

iqbal2011optical Two records on tapping optical fibre, ten years apart and from opposite ends of the problem. Iqbal, Fathallah and Belhadj survey the known methods -- bending, splitting, splicing -- report a simulation and a bench proof of concept for the bend method, and propose countermeasures. Dominguez and colleagues build one specific device, a stack of PDMS planar waveguides that couples light out while the signal continues to the far end. The survey is the context the device should be read in; the device is what the survey's non-intrusive category became.

Passive optical tapping can be implemented by stacking multiple layers of polydimethylsiloxane (PDMS), which is used as planar waveguides for the transmission and capturing of light. Once the main waveguide is installed in the communications system, each additional stacked waveguide represents an optical sniffer where it is possible to intercept the data from an input optical fibre, allowing the information to also flow to the output fibre unnoticeably from the point of view of the transmitter. The waveguides can be stacked or removed, making it a dynamic device that overcomes the limitations of previous designs, and the optical sniffer shows fixed implementation. In addition, it is demonstrated that PDMS is a versatile material that permits the control of the coupling of light among the waveguides, depending on its properties, and the thickness of each waveguide is also critical for the performance of the device. Furthermore, the experimental results are supported with a theoretical analysis that permits better understanding of the performance of the device, whose use can be extended to other applications, such as a passive optical hub or a signal combiner/splitter.

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Added	2026-09-02 15:44 UTC
Approved by	a person 2026-09-02 16:16 UTC

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@article{dominguez2021intrusive,
  title        = {Intrusive Passive Optical Tapping Device},
  author       = {Ismel Dominguez and Ignacio Del Villar and Jorge Montoya-Cardona and Omar Fuentes and Nelson D. Gomez-Cardona and Jesus M. Corres and Ignacio R. Matias},
  year         = {2021},
  journal      = {IEEE Access},
  publisher    = {Institute of Electrical and Electronics Engineers (IEEE)},
  volume       = {9},
  pages        = {31627--31637},
  issn         = {2169-3536},
  doi          = {10.1109/access.2021.3060588},
}

This record lives at https://refs.drheap.org/dominguez2021intrusive/ and will keep doing so.

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