Search Results - "HORSLEY, A"
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Memory effect assisted imaging through multimode optical fibres
Published in Nature communications (18-06-2021)“…When light propagates through opaque material, the spatial information it holds becomes scrambled, but not necessarily lost. Two classes of techniques have…”
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Zero-refractive-index materials and topological photonics
Published in Nature physics (01-03-2021)“…The refractive index is one of the most basic optical properties of a material and its interaction with light. Modern materials engineering—particularly the…”
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Spatial Kramers–Kronig relations and the reflection of waves
Published in Nature photonics (01-07-2015)“…Kramers–Kronig theory points to a new way of designing perfect anti-reflection surfaces. When a planar dielectric medium has a permittivity profile that is an…”
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4
Nanoscale Design of the Local Density of Optical States
Published in Nano letters (13-03-2019)“…We propose a design concept for tailoring the local density of optical states (LDOS) in dielectric nanostructures, based on the phase distribution of the…”
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5
Double-layer geodesic and gradient-index lenses
Published in Nature communications (29-04-2022)“…A double-layer lens consists of a first gradient-index/geodesic profile in an upper waveguide, partially surrounded by a mirror that reflects the wave into a…”
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6
The electronic and electromagnetic Dirac equations
Published in New journal of physics (01-02-2024)“…Maxwell’s equations and the Dirac equation are the first-order differential relativistic wave equation for electromagnetic waves and electronic waves…”
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7
3-D Ultrasonic Fingerprint Sensor-on-a-Chip
Published in IEEE journal of solid-state circuits (01-11-2016)“…A fully integrated 3-D ultrasonic fingerprint sensor-on-a-chip is presented. The device consists of a 110× 56 piezoelectric micromachined ultrasonic transducer…”
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8
Eigenpulses of Dispersive Time-Varying Media
Published in Physical review letters (19-05-2023)“…We develop a compact theory that can be applied to a variety of time-varying dispersive materials. The continuous-wave reflection and transmission coefficients…”
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9
A Luneburg lens for spin waves
Published in Applied physics letters (19-11-2018)“…We report on the theory of a Luneburg lens for forward-volume magnetostatic spin waves and verify its operation via micromagnetic modelling. The lens converts…”
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Modeling, Fabrication, and Characterization of Piezoelectric Micromachined Ultrasonic Transducer Arrays Based on Cavity SOI Wafers
Published in Journal of microelectromechanical systems (01-08-2015)“…This paper presents high fill-factor piezoelectric micromachined ultrasonic transducer (PMUT) arrays fabricated via a novel process using cavity SOI wafers…”
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11
Three-Axis Lorentz-Force Magnetic Sensor for Electronic Compass Applications
Published in Journal of microelectromechanical systems (01-08-2012)“…A low-power microelectromechanical-systems (MEMS) three-axis Lorentz-force magnetic sensor is presented. The sensor detects magnetic field in two axes with a…”
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12
Method for extracting the surface impedance of a generic reflective metasurface
Published in Scientific reports (07-11-2024)“…We develop a method for the extraction of the surface impedance tensor of a generic reflective metasurface using an analytic relation between the tensorial…”
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13
Quantum Brownian motion for magnets
Published in New journal of physics (01-03-2022)“…Spin precession in magnetic materials is commonly modelled with the classical phenomenological Landau–Lifshitz–Gilbert (LLG) equation. Based on a quantized…”
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Mutual 3:1 subharmonic synchronization in a micromachined silicon disk resonator
Published in Applied physics letters (30-10-2017)“…We demonstrate synchronization between two intrinsically coupled oscillators that are created from two distinct vibration modes of a single micromachined disk…”
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16
Perfect Transmission through Disordered Media
Published in Physical review letters (21-04-2017)“…The transmission of a wave through a randomly chosen "pile of plates" typically decreases exponentially with the number of plates, a phenomenon closely related…”
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Microwave demonstration of Purcell effect enhanced radiation efficiency
Published in Scientific reports (28-03-2023)“…We experimentally demonstrate a Purcell effect-based design technique for improved impedance matching, and thus enhanced the reflection coefficient from a…”
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18
Parametrically Amplified Z-Axis Lorentz Force Magnetometer
Published in Journal of microelectromechanical systems (01-06-2011)“…This paper describes a microelectromechanical systems (MEMS) Lorentz force navigation magnetometer whose fabrication is fully compatible with existing foundry…”
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19
Quantum–classical correspondence in spin–boson equilibrium states at arbitrary coupling
Published in New journal of physics (01-05-2024)“…The equilibrium properties of nanoscale systems can deviate significantly from standard thermodynamics due to their coupling to an environment. We investigate…”
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Monolithic ultrasound fingerprint sensor
Published in Microsystems & nanoengineering (20-11-2017)“…This paper presents a 591×438-DPI ultrasonic fingerprint sensor. The sensor is based on a piezoelectric micromachined ultrasonic transducer (PMUT) array that…”
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