Outputs (12)

Photonic circuit of arbitrary non-unitary systems (2025)
Journal Article
Talib, H., Sewell, P. D., Vukovic, A., & Phang, S. (2025). Photonic circuit of arbitrary non-unitary systems. Optical and Quantum Electronics, 57, Article 99. https://doi.org/10.1007/s11082-024-07957-5

A design framework to implement non-unitary input–output operations to a practical unitary photonic integrated circuit is described. This is achieved by utilising the cosine-sine decomposition to recover the unitarity of the original operation. The r... Read More about Photonic circuit of arbitrary non-unitary systems.

An experimental demonstration of neuromorphic sensing of chemical species using electro-optical reservoir computing (2024)
Journal Article
Anufriev, G., Furniss, D., Farries, M. C., Seddon, A. B., & Phang, S. (2024). An experimental demonstration of neuromorphic sensing of chemical species using electro-optical reservoir computing. Scientific Reports, 14(1), Article 27915. https://doi.org/10.1038/s41598-024-79395-y

A chemical discrimination system based on photonic reservoir computing is demonstrated experimentally for the first time. The system is inspired by the way humans perceive and process visual sensory information. The electro-optical reservoir computin... Read More about An experimental demonstration of neuromorphic sensing of chemical species using electro-optical reservoir computing.

Experimental and numerical validation of tape-based metasurfaces in guiding high-frequency surface waves for efficient power transfer (2024)
Journal Article
Suzuki, K., Dang, P. T., Homma, H., Fathnan, A. A., Ashikaga, Y., Tsuchiya, Y., Phang, S., & Wakatsuchi, H. (2024). Experimental and numerical validation of tape-based metasurfaces in guiding high-frequency surface waves for efficient power transfer. Applied Physics Letters, 125(18), Article 181701. https://doi.org/10.1063/5.0226667

We present an effective method for transmitting electromagnetic waves as surface waves with a tape-based metasurface design. This design incorporates silver square patches periodically patterned on an adhesive tape substrate. Specifically, our study... Read More about Experimental and numerical validation of tape-based metasurfaces in guiding high-frequency surface waves for efficient power transfer.

Assessment of the performance of fibre optic sensor designs based on two FBGs (2024)
Journal Article
Palmowski, J., Barczak, K., Kubicka, N., Gołek, F., Benson, L., Maciak, E., Pustelny, T., Phang, S., Benson, T., & Bereś-Pawlik, E. (2024). Assessment of the performance of fibre optic sensor designs based on two FBGs. Optical and Quantum Electronics, 56(7), Article 1129. https://doi.org/10.1007/s11082-024-07067-2

The paper presents, and compares the performance of, two optical sensing systems each based on a combination of two fibre Bragg gratings (FBGs) and where a simple measurement of transmitted or reflected power provides an alternative to specialist int... Read More about Assessment of the performance of fibre optic sensor designs based on two FBGs.

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, 7(6), Article 2301173. 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.

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.-S., Furniss, D., Farries, M., Phang, S., Benson, T. M., Seddon, A. B., Hameed, M. F. O., & Obayya, S. S. A. (2024). Simulation of a Sensitive Mid-infrared (MIR) D-Shaped Optical Fiber Water Pollutant Sensor. Plasmonics, 19(4), 1823-1838. 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.

Mid-infrared water pollutant sensor based on SPR-PCF (2023)
Journal Article
Gamal, Y., Younis, B. M., Abd-Elkader, A. E.-S., Furniss, D., Farries, M., Phang, S., Benson, T. M., Seddon, A. B., Hameed, M. F. O., & Obayya, S. S. A. (2023). Mid-infrared water pollutant sensor based on SPR-PCF. Optical and Quantum Electronics, 55(11), Article 966. https://doi.org/10.1007/s11082-023-05207-8

In this paper, a highly sensitive water pollutant optical sensor is proposed and analyzed. The suggested sensor consists of photonic crystal fiber with a core surrounded by four elliptical holes infiltrated with the studied analyte (pure/polluted wat... Read More about Mid-infrared water pollutant sensor based on SPR-PCF.

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.

Smart Surface Radio Environments (2022)
Journal Article
Gradoni, G., Di Renzo, M., Diaz-Rubio, A., Tretyakov, S., Caloz, C., Peng, Z., Alu, A., Lerosey, G., Fink, M., Galdi, V., Jun Cui, T., Frazier, B., Anlage, S., Salucci, M., Massa, A., Cheng, Q., Wang, J., Jin, S., Dardari, D., Decarli, N., …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.

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.

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.