Multiplexing approaches to thermoradiative signatureless communications
Abstract
Using mid-infrared emission from semiconductor devices for covert communications remains a relatively unexplored and yet promising opportunity. The phenomenon of negative luminescence allows for a method of signatureless covert communications where the net infrared emission of an emitting optoelectronic device is balanced to be identical to the ambient thermal background. In this work we provide a practical demonstration of covert data transfer over a thermoradiative channel with data rates up to 100 kbps. In addition, we demonstrate several additional multiplexing techniques that make the proposed thermoradiative communications method more secure against interception by achieving zero instantaneous optical emission, while remaining detectable if a sufficiently spatially or spectrally discerning observation is utilised. Finally, we discuss various application scenarios in which the proposed methods can be used to achieve secure signatureless communications.
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BibTeX
@misc{radchenkov2026multiplexing,
title = {{Multiplexing approaches to thermoradiative signatureless communications}},
author = {Valerii Radchenkov and Peter J. Reece and Stephen P. Bremner and Nicholas J. Ekins-Daukes and Michael P. Nielsen},
howpublished = {arXiv},
year = {2026},
month = sep,
doi = {10.48550/arxiv.2609.21353},
eprint = {2609.21353},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2609.21353},
}
RIS
TY - UNPB
TI - Multiplexing approaches to thermoradiative signatureless communications
AU - Valerii Radchenkov
AU - Peter J. Reece
AU - Stephen P. Bremner
AU - Nicholas J. Ekins-Daukes
AU - Michael P. Nielsen
PY - 2026
DA - 2026/09/18
PB - arXiv
DO - 10.48550/arxiv.2609.21353
UR - https://arxiv.org/abs/2609.21353
AB - Using mid-infrared emission from semiconductor devices for covert communications remains a relatively unexplored and yet promising opportunity. The phenomenon of negative luminescence allows for a method of signatureless covert communications where the net infrared emission of an emitting optoelectronic device is balanced to be identical to the ambient thermal background. In this work we provide a practical demonstration of covert data transfer over a thermoradiative channel with data rates up to 100 kbps. In addition, we demonstrate several additional multiplexing techniques that make the proposed thermoradiative communications method more secure against interception by achieving zero instantaneous optical emission, while remaining detectable if a sufficiently spatially or spectrally discerning observation is utilised. Finally, we discuss various application scenarios in which the proposed methods can be used to achieve secure signatureless communications.
ER -