All Outputs (44)

Assessment of the performance of fibre optic sensor designs based on two FBGs (2024)
Journal Article

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

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

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

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

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.

SARIS: Scattering Aware Reconfigurable Intelligent Surface Model and Optimization for Complex Propagation Channels (2023)
Journal Article

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

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.

Fibre Optic Sensor Systems without Using Spectral Analysis (2023)
Conference Proceeding

The paper describes our investigations of some Fibre Bragg Grating (FBG) systems for measuring basic environmental parameters where a simple measurement of transmitted or reflected power provides an alternative to specialist interrogators. The work t... Read More about Fibre Optic Sensor Systems without Using Spectral Analysis.

Photonic reservoir computing enabled by stimulated Brillouin scattering (2023)
Journal Article

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

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

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

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

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.

Mid-infrared spectral classification of endometrial cancer compared to benign controls in serum or plasma samples (2021)
Journal Article

This study demonstrates a discrimination of endometrial cancer versus (non-cancerous) benign controls based on mid-infrared (MIR) spectroscopy of dried plasma or serum liquid samples. A detailed evaluation was performed of four discriminant methods (... Read More about Mid-infrared spectral classification of endometrial cancer compared to benign controls in serum or plasma samples.

Room temperature mid-infrared fiber lasing beyond 5  µm in chalcogenide glass small-core step index fiber (2021)
Journal Article

We report mid-infrared fiber lasing for the first time above 5 µm in a room temperature, Ce 3+ doped, chalcogenide glass, step index fiber using in-band pumping with a 4.15 µm quantum cascade laser. The lasing fiber is 64 mm long, with a calculated n... Read More about Room temperature mid-infrared fiber lasing beyond 5  µm in chalcogenide glass small-core step index fiber.

Wireless Environment as a Service Enabled by Reconfigurable Intelligent Surfaces: The RISE-6G Perspective (2021)
Conference Proceeding

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

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

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

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

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.