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Artificial Dielectric Based Antireflection layer for Terahertz Applications (2016)
Presentation / Conference Contribution
Hajji, M., Zeze, D., Balocco, C., & Gallant, A. (2016, June). Artificial Dielectric Based Antireflection layer for Terahertz Applications. Paper presented at Nanostructures for Photonics (NSP) 2016, St Petersburg, Russia

We report on experimental and simulation results for low-loss micromachined silicon artificial dielectrics operating as antireflection coating at terahertz frequencies. The artificial layers consist of subwavelength microgrooves with different profil... Read More about Artificial Dielectric Based Antireflection layer for Terahertz Applications.

Angular and positional dependence of Purcell effect for layered metal-dielectric structures (2016)
Presentation / Conference Contribution
Gubaydullin, A., Mazlin, V., Ivanov, K., Kaliteevski, M., & Balocco, C. (2016, June). Angular and positional dependence of Purcell effect for layered metal-dielectric structures. Paper presented at Nanostructures for Photonics (NSP) 2016, St Petersburg, Russia

We study the enhancement of spontaneous emission of the dipole embedded in the layered metal-dielectric structure. Such systems have attracted great scientific interest over the past decade due to their special optical properties emanating primarily... Read More about Angular and positional dependence of Purcell effect for layered metal-dielectric structures.

An ultrathin organic insulator for metal-insulator-metal diodes (2016)
Journal Article
Etor, D., Dodd, L., Wood, D., & Balocco, C. (2016). An ultrathin organic insulator for metal-insulator-metal diodes. IEEE Transactions on Electron Devices, 63(7), 2887-2891. https://doi.org/10.1109/ted.2016.2568279

The design and fabrication metal-insulator-metal (MIM) diodes using an ultrathin organic insulator are presented. The insulating layer was found to be compact, highly conformal, and uniform, effectively overcoming the main design challenge in MIM dio... Read More about An ultrathin organic insulator for metal-insulator-metal diodes.

An algorithm for reconstructing ultrametric tree-child networks from inter-taxa distances (2016)
Journal Article
Bordewich, M., & Tokac, N. (2016). An algorithm for reconstructing ultrametric tree-child networks from inter-taxa distances. Discrete Applied Mathematics, 213, 47-59. https://doi.org/10.1016/j.dam.2016.05.011

Traditional “distance based methods” reconstruct a phylogenetic tree from a matrix of pair-wise distances between taxa. A phylogenetic network is a generalisation of a phylogenetic tree that can describe evolutionary events such as reticulation and h... Read More about An algorithm for reconstructing ultrametric tree-child networks from inter-taxa distances.

On Alternate Relaying With Improper Gaussian Signaling (2016)
Journal Article
Gaafar, M., Amin, O., Ikhlef, A., Chaaban, A., & Alouini, M. (2016). On Alternate Relaying With Improper Gaussian Signaling. IEEE Communications Letters, 20(8), 1683-1686. https://doi.org/10.1109/lcomm.2016.2577029

In this letter, we investigate the potential benefits of adopting improper Gaussian signaling (IGS) in a two-hop alternate relaying (AR) system. Given the known benefits of using IGS in interference-limited networks, we propose to use IGS to relieve... Read More about On Alternate Relaying With Improper Gaussian Signaling.

On the Fixed Parameter Tractability of Agreement-based Phylogenetic Distances (2016)
Journal Article
Bordewich, M., Scornavacca, C., Tokac, N., & Weller, M. (2017). On the Fixed Parameter Tractability of Agreement-based Phylogenetic Distances. Journal of Mathematical Biology, 74(1), 239-257. https://doi.org/10.1007/s00285-016-1023-3

Three important and related measures for summarizing the dissimilarity in phylogenetic trees are the minimum number of hybridization events required to fit two phylogenetic trees onto a single phylogenetic network (the hybridization number), the (roo... Read More about On the Fixed Parameter Tractability of Agreement-based Phylogenetic Distances.

Reticulation-Visible Networks (2016)
Journal Article
Bordewich, M., & Semple, C. (2016). Reticulation-Visible Networks. Advances in Applied Mathematics, 78, 114-141. https://doi.org/10.1016/j.aam.2016.04.004

Let X be a finite set, N be a reticulation-visible network on X , and T be a rooted binary phylogenetic tree. We show that there is a polynomial-time algorithm for deciding whether or not N displays T. Furthermore, for all |X|≥1, we show that N has a... Read More about Reticulation-Visible Networks.

Effective Rate Analysis in Weibull Fading Channels (2016)
Journal Article
You, M., Sun, H., Jiang, J., & Zhang, J. (2016). Effective Rate Analysis in Weibull Fading Channels. IEEE Wireless Communications Letters, 5(4), 340-343. https://doi.org/10.1109/lwc.2016.2558179

Recently the theory of effective rate has attracted much attention, since it can take the delay aspect into account when performing channel capacity analysis.Weibull fading model is a flexible and practical model for describing fading channels in bot... Read More about Effective Rate Analysis in Weibull Fading Channels.

Angular and positional dependence of Purcell effect for layered metal-dielectric structures (2016)
Journal Article
Gubaydullin, A., Mazlin, V., Ivanov, K., Kaliteevski, M., & Balocco, C. (2016). Angular and positional dependence of Purcell effect for layered metal-dielectric structures. Applied Physics A: Materials Science and Processing, 122(4), Article 425. https://doi.org/10.1007/s00339-016-9875-3

We study the angular dependence of the spontaneous emission enhancement of a dipole source inserted into a layered metal-dielectric metamaterial. We analyse the dependence of Purcell effect from the position of the dipole in the layered hyperbolic me... Read More about Angular and positional dependence of Purcell effect for layered metal-dielectric structures.

High contrast pattern reconstructions using a phase-seeded point CGH method (2016)
Journal Article
McWilliam, R., Williams, G., Cowling, J., Seed, L., & Purvis, A. (2016). High contrast pattern reconstructions using a phase-seeded point CGH method. Applied Optics, 55(7), 1701-1710. https://doi.org/10.1364/ao.55.001701

A major challenge encountered in digital holography applications is the need to synthesize computer-generated holograms (CGHs) that are realizable as phase-only elements while also delivering high quality reconstruction. This trade-off is particularl... Read More about High contrast pattern reconstructions using a phase-seeded point CGH method.

Microfabrication of SU-8 Fresnel lenses for THz imaging (2016)
Presentation / Conference Contribution
Hajji, M., Pan, Y., Hammler, J., Zeze, D., Balocco, C., & Gallant, A. (2016, December). Microfabrication of SU-8 Fresnel lenses for THz imaging. Presented at Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications IX, San Francisco, California, United States

Robust Radar Emitter Recognition Based on the Three-Dimensional Distribution Feature and Transfer Learning (2016)
Journal Article
Yang, Z., Qiu, W., Sun, H., & Nallanathan, A. (2016). Robust Radar Emitter Recognition Based on the Three-Dimensional Distribution Feature and Transfer Learning. Sensors, 16(3), Article 289. https://doi.org/10.3390/s16030289

Due to the increasing complexity of electromagnetic signals, there exists a significant challenge for radar emitter signal recognition. To address this challenge, multi-component radar emitter recognition under a complicated noise environment is stud... Read More about Robust Radar Emitter Recognition Based on the Three-Dimensional Distribution Feature and Transfer Learning.

Totally null surfaces in neutral Kähler 4-manifolds (2016)
Journal Article
Georgiou, N., Guilfoyle, B., & Klingenberg, W. (2016). Totally null surfaces in neutral Kähler 4-manifolds. Balkan Journal of Geometry and its Applications, 21(1), 27-41

We study the totally null surfaces of the neutral Kähler metric on certain 4-manifolds. The tangent spaces of totally null surfaces are either self-dual (α-planes) or anti-self-dual (β-planes) and so we consider α-surfaces and β-surfaces. The metric... Read More about Totally null surfaces in neutral Kähler 4-manifolds.

A Novel Dwelling Time Design Method For Low Probability Of Intercept In A Complex Radar Network. (2015)
Journal Article
Zhang, Z., Zhu, J., & Salous, S. (2015). A Novel Dwelling Time Design Method For Low Probability Of Intercept In A Complex Radar Network. International Journal of Design and Nature and Ecodynamics, 10(4), 310-319. https://doi.org/10.2495/dne-v10-n4-310-319

To achieve the important tactical requirement of low probability of intercept (LPI) in the complex radar network, dynamically controlling the emission of the radars is very necessary. A novel radar dwelling time control strategy based on an interacti... Read More about A Novel Dwelling Time Design Method For Low Probability Of Intercept In A Complex Radar Network..

Graph-based stochastic model for high-speed railway cutting scenarios (2015)
Journal Article
Zhou, T., Tao, C., Salous, S., Tan, Z., Liu, L., & Tian, L. (2015). Graph-based stochastic model for high-speed railway cutting scenarios. IET Microwaves, Antennas and Propagation, 9(15), 1691-1697. https://doi.org/10.1049/iet-map.2014.0827

This study proposes a stochastic channel model based on the propagation graph theory for high-speed railway (HSR) cutting scenarios. Single-input single-output wideband measurements are conducted under a cutting for acquiring realistic channel data.... Read More about Graph-based stochastic model for high-speed railway cutting scenarios.

Modelling the mmWave channel based on intelligent ray launching model (2015)
Presentation / Conference Contribution
Weng, J., Tu, X., Lai, Z., Salous, S., & Zhang, J. (2015, December). Modelling the mmWave channel based on intelligent ray launching model. Presented at The 9th European Conference on Antennas and Propagation EuCAP'2015, Lisbon

Free-space material characterisation at terahertz frequencies using a vector network analyser (2015)
Presentation / Conference Contribution
Hammler, J., Gallant, A., & Balocco, C. (2015, December). Free-space material characterisation at terahertz frequencies using a vector network analyser. Presented at URSI AT-RASC 2015, Gran Canaria, Spain

While dielectric properties of many materials have been extensively characterised at low frequencies and into the microwave region of the electromagnetic spectrum, published information is much sparser in the THz region. Knowledge of permittivity is... Read More about Free-space material characterisation at terahertz frequencies using a vector network analyser.