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Improved Numerical Estimation Method for Surface Wave Attenuation on Metasurfaces (2024)
Journal Article
Suzuki, K., Dang, P. T., Homma, H., Fathnan, A. A., Phang, S., & Wakatsuchi, H. (2024). Improved Numerical Estimation Method for Surface Wave Attenuation on Metasurfaces. Advanced Theory and Simulations, https://doi.org/10.1002/adts.202301173

Comprehensive numerical tools to investigate and analyze the surface wave attenuation on a metasurface waveguide that consists of periodic patches deposited on a dielectric substrate are presented. The surface wave attenuation is evaluated in both wa... Read More about Improved Numerical Estimation Method for Surface Wave Attenuation on Metasurfaces.

Short review and prospective: chalcogenide glass mid-infrared fibre lasers (2024)
Journal Article
Seddon, A. B., Farries, M., Nunes, J. J., Xiao, B., Furniss, D., Barney, E., …Sujecki, S. (2024). Short review and prospective: chalcogenide glass mid-infrared fibre lasers. European Physical Journal Plus, 139(2), Article 142. https://doi.org/10.1140/epjp/s13360-023-04841-1

Rare-earth ion doped, silica glass, optical fibre amplifiers have transformed the world by enabling high speed communications and the Internet. Fibre lasers, based on rare-earth ion doped silica glass optical fibres, achieve high optical powers and a... Read More about Short review and prospective: chalcogenide glass mid-infrared fibre lasers.

Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor (2023)
Journal Article
Younis, B. M., Dawood, N. Y. M., Abd-Elkader, A. E., Furniss, D., Farries, M., Phang, S., …Obayya, S. S. A. (2023). Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor. Plasmonics, https://doi.org/10.1007/s11468-023-02110-6

In this work, an efficient optical sensor is proposed for the sensitive detection of various pollutants in water. The suggested optical sensor is based on an indium fluoride (InF3) glass fabricated as a D-shaped optical fiber. The polished surface of... Read More about Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor.

SARIS: Scattering Aware Reconfigurable Intelligent Surface Model and Optimization for Complex Propagation Channels (2023)
Journal Article
Mursia, P., Phang, S., Sciancalepore, V., Gradoni, G., & Di Renzo, M. (2023). SARIS: Scattering Aware Reconfigurable Intelligent Surface Model and Optimization for Complex Propagation Channels. IEEE Wireless Communications Letters, 12(11), 1921-1925. https://doi.org/10.1109/lwc.2023.3299304

The reconfigurable intelligent surface (RIS) is an emerging technology that changes how wireless networks are perceived, therefore its potential benefits and applications are currently under intense research and investigation. In this letter, we focu... Read More about SARIS: Scattering Aware Reconfigurable Intelligent Surface Model and Optimization for Complex Propagation Channels.

Simultaneous Study of Fluorescence and Transmission Based on a Sensor with a Doped Optical Fibre (2023)
Conference Proceeding
Kubicka, N., Gołek, F., Palmowski, J., Phang, S., Benson, T., & Bereś-Pawlik, E. (2023). Simultaneous Study of Fluorescence and Transmission Based on a Sensor with a Doped Optical Fibre. In ICTON 2023 23rd International Conference on Transparent Optical Networks. https://doi.org/10.1109/icton59386.2023.10207456

The paper presents a model sensor system for the simultaneous measurement of fluorescence and transmission for potential application in medical diagnostics. The paper presents results connected with the test substance, fluorescein. The sensor used in... Read More about Simultaneous Study of Fluorescence and Transmission Based on a Sensor with a Doped Optical Fibre.

Photonic reservoir computing enabled by stimulated Brillouin scattering (2023)
Journal Article
Phang, S. (2023). Photonic reservoir computing enabled by stimulated Brillouin scattering. Optics Express, 31(13), 22061-22074. https://doi.org/10.1364/oe.489057

Artificial intelligence (AI) drives the creation of future technologies that disrupt the way humans live and work, creating new solutions that change the way we approach tasks and activities, but it requires a lot of data processing, large amounts of... Read More about Photonic reservoir computing enabled by stimulated Brillouin scattering.

Optical strain sensor with dual fibre Bragg grating topology (2023)
Journal Article
Palmowski, J., Barczak, K., Kubicka, N., Gołek, F., Benson, L., Maciak, E., …Bereś-Pawlik, E. (2023). Optical strain sensor with dual fibre Bragg grating topology. Optical and Quantum Electronics, 55(5), Article 453. https://doi.org/10.1007/s11082-023-04746-4

The paper presents the design, operation, and proof of principle realisation and validation of a relatively cheap fibre optic strain sensor based on two fibre Bragg grating (FBG) elements with different spectral responses. Its performance is compared... Read More about Optical strain sensor with dual fibre Bragg grating topology.

Smart Surface Radio Environments (2022)
Journal Article
Gradoni, G., Di Renzo, M., Diaz-Rubio, A., Tretyakov, S., Caloz, C., Peng, Z., …Phang, S. (2022). Smart Surface Radio Environments. Reviews of Electromagnetics, 1, 1-42. https://doi.org/10.53792/roe/2022.1/21012

This Roadmap takes the reader on a journey through the research in electromagnetic wave propagation control via reconfigurable intelligent surfaces. Metasurface modelling and design methods are reviewed along with physical realisation techniques. Sev... Read More about Smart Surface Radio Environments.

Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening (2022)
Journal Article
Schiemer, R., Furniss, D., Phang, S., Seddon, A. B., Atiomo, W., & Gajjar, K. B. (2022). Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening. International Journal of Molecular Sciences, 23(9), Article 4859. https://doi.org/10.3390/ijms23094859

Endometrial cancer (EC) is the sixth most common cancer and the fourth leading cause of death among women worldwide. Early detection and treatment are associated with a favourable prognosis and reduction in mortality. Unlike other common cancers, how... Read More about Vibrational Biospectroscopy: An Alternative Approach to Endometrial Cancer Diagnosis and Screening.

Non-spectroscopic sensing enabled by an electro-optical reservoir computer (2022)
Journal Article
Anufriev, G., Furniss, D., Farries, M., & Phang, S. (2022). Non-spectroscopic sensing enabled by an electro-optical reservoir computer. Optical Materials Express, 12(5), 1767-1783. https://doi.org/10.1364/OME.449036

A fully bio-inspired apparatus to perform non-spectroscopic sensing to discriminate and determine the constituent concentrations of a chemical mixture is proposed. Here, fully bio-inspired means that it is comprised of a biomimetic sensor and a neuro... Read More about Non-spectroscopic sensing enabled by an electro-optical reservoir computer.

Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective (2021)
Conference Proceeding
Strinati, E. C., Alexandropoulos, G. C., Sciancalepore, V., Di Renzo, M., Wymeersch, H., Phan-Huy, D. T., …Denis, B. (2021). Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective. In 2021 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit 2021) (562-567). https://doi.org/10.1109/eucnc/6gsummit51104.2021.9482474

The design of 6th Generation (6G) wireless networks points towards flexible connect-and-compute technologies capable to support innovative services and use cases. Targeting the 2030 horizon, 6G networks are poised to pave the way for sustainable huma... Read More about Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective.

Wireless power distributions in multi-cavity systems at high frequencies (2021)
Journal Article
Adnan, F., Blakaj, V., Phang, S., Antonsen, T. M., Creagh, S. C., Gradoni, G., & Tanner, G. (2021). Wireless power distributions in multi-cavity systems at high frequencies. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 477(2245), Article 20200228. https://doi.org/10.1098/rspa.2020.0228

The next generations of wireless networks will work in frequency bands ranging from sub-6 GHz up to 100 GHz. Radio signal propagation differs here in several critical aspects from the behaviour in the microwave frequencies currently used. With wavele... Read More about Wireless power distributions in multi-cavity systems at high frequencies.

The optical reservoir computer: a new approach to a programmable integrated optics system based on an artificial neural network (2020)
Book Chapter
Phang, S., Sewell, P. D., Vukovic, A., & Benson, T. M. (2020). The optical reservoir computer: a new approach to a programmable integrated optics system based on an artificial neural network. In G. C. Righini, & M. Ferrari (Eds.), Integrated Optics Volume 2: Characterization, devices and applications (361-380). Institution of Engineering and Technology (IET). https://doi.org/10.1049/pbcs077g_ch12

In this chapter, we briefly reviewed some developments in the field of integrated optics since Miller first introduced this concept, noting some approaches to optimise structures based on functional performance criteria. Chapter Contents: • 12.1 Intr... Read More about The optical reservoir computer: a new approach to a programmable integrated optics system based on an artificial neural network.

Pseudo?Waveform?Selective Metasurfaces and their Limited Performance (2020)
Journal Article
Nakasha, T., Phang, S., & Wakatsuchi, H. (2021). Pseudo?Waveform?Selective Metasurfaces and their Limited Performance. Advanced Theory and Simulations, 4(1), Article 2000187. https://doi.org/10.1002/adts.202000187

Abstract In recent years, metasurfaces composed of lumped circuit components, including nonlinear Schottky diodes, have been reported to be capable of sensing particular electromagnetic waves even at the same frequency depending on their waveforms, o... Read More about Pseudo?Waveform?Selective Metasurfaces and their Limited Performance.

Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing (2020)
Conference Proceeding
Furniss, D., Xiao, B., Seddon, A. B., Sujecki, S., Sojka, L., Tang, Z., …Benson, T. (2020). Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing. . https://doi.org/10.1109/ICTON51198.2020.9203544

Mid-infrared (MIR) spectroscopy and imaging underpin many applications, ranging from industrial process monitoring to environmental analysis, and offer a new era in healthcare and clinical diagnostics. The spectral region from 1.5 to 12 μm is of inte... Read More about Bright Mid-Infrared (MIR) Photoluminescence Sources and their Application in Imaging and Sensing.

Mid-infrared sources for biomedical applications based on chalcogenide glass fibres (2020)
Journal Article
Seddon, A. B., Sujecki, S., Sojka, L., Furniss, D., Tang, Z., Mabwa, D., …Benson, T. M. (2020). Mid-infrared sources for biomedical applications based on chalcogenide glass fibres. Proceedings of SPIE, 11357, Article 1135710. https://doi.org/10.1117/12.2568040

Many important molecules show strong characteristic vibrational transitions in the mid-infrared (MIR) part of the electromagnetic spectrum. This leads to applications in spectroscopy, chemical and bio-molecular sensing, security and industry, especia... Read More about Mid-infrared sources for biomedical applications based on chalcogenide glass fibres.

Impact of dispersive and saturable gain/loss on bistability of nonlinear parity–time Bragg gratings (2014)
Journal Article
Phang, S., Vukovic, A., Susanto, H., Benson, T. M., & Sewell, P. (2014). Impact of dispersive and saturable gain/loss on bistability of nonlinear parity–time Bragg gratings. Optics Letters, 39(9), 2603-2606. https://doi.org/10.1364/ol.39.002603

We report on the impact of realistic gain and loss models on the bistable operation of nonlinear parity–time (PT) Bragg gratings. In our model we include both dispersive and saturable gain and show that levels of gain/loss saturation can have a signi... Read More about Impact of dispersive and saturable gain/loss on bistability of nonlinear parity–time Bragg gratings.