João Barbosa

ORCID: 0000-0003-3885-2308
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About
Contact & Profiles
Research Areas
  • Particle Detector Development and Performance
  • Particle physics theoretical and experimental studies
  • High-Energy Particle Collisions Research
  • Physics of Superconductivity and Magnetism
  • Analog and Mixed-Signal Circuit Design
  • Advancements in PLL and VCO Technologies
  • Photonic and Optical Devices
  • Quantum Chromodynamics and Particle Interactions
  • Magneto-Optical Properties and Applications
  • Photocathodes and Microchannel Plates
  • Radio Frequency Integrated Circuit Design
  • Radiation Detection and Scintillator Technologies
  • Quantum and electron transport phenomena
  • Atomic and Subatomic Physics Research
  • Turbomachinery Performance and Optimization
  • Combustion and flame dynamics
  • Aerodynamics and Acoustics in Jet Flows
  • Advanced Frequency and Time Standards
  • Quantum Information and Cryptography
  • Mechanical and Optical Resonators

University of Glasgow
2021-2025

European Organization for Nuclear Research
2002

The cross-integration of spin-wave and superconducting technologies is a promising method for creating novel hybrid devices future information processing to store, manipulate, or convert data in both classical quantum regimes. Hybrid magnon-polariton systems have been widely studied using bulk Yttrium Iron Garnet (Y$_{3}$Fe$_{5}$O$_{12}$, YIG) three-dimensional microwave photon cavities. However, limitations YIG growth thus far prevented its incorporation into CMOS compatible technology such...

10.1063/5.0054837 article EN Applied Physics Letters 2021-07-19

Abstract Electromagnetic filtering is essential for the coherent control, operation and readout of superconducting quantum circuits at milliKelvin temperatures. The suppression spurious modes around transition frequencies a few GHz well understood mainly achieved by on-chip package considerations. Noise photons higher – beyond pair-breaking energies cause decoherence require spectral engineering before reaching packaged chip. external wires that pass into refrigerator go down to circuit...

10.1140/epjqt/s40507-022-00121-6 article EN cc-by EPJ Quantum Technology 2022-01-15

One of the most important and topical challenges quantum circuits is their scalability. Rapid Single Flux Quantum (RSFQ) technology at forefront replacing current standard CMOS-based control architectures for a number applications, including computing sensor arrays. By condensing readout to SFQ-based on-chip devices that are directly connected systems, it possible minimise total system overhead, improving scalability integration. In this work, we present novel RSFQ device generates multi...

10.48550/arxiv.2411.08670 preprint EN arXiv (Cornell University) 2024-11-13

This paper presents the results of a study carried out on several empirical methods available in open literature for turbofan noise prediction, aiming at production “noise model” evaluating and accessing generated by aircraft engines. model is part author’s PhD research, will be merged to gas turbine performance simulating computer program (cycle model) develop comprehensive method predict engines signature, which useful exploring technological advances reducing levels. In this work models...

10.2514/6.2005-3076 article EN 28th AIAA/CEAS Aeroacoustics 2022 Conference 2005-05-23
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