Broadband coaxial S-parameter measurements for cryogenic quantum technologies
Development of RF and microwave metrology capabilities at cryogenic temperatures is
critical for the development of high-performance microwave devices to facilitate …
critical for the development of high-performance microwave devices to facilitate …
Validating S‐parameter measurements of RF integrated circuits at milli‐Kelvin temperatures
Techniques to precisely characterise RF components at milli‐Kelvin temperatures support
the development of quantum computing systems utilising these components. In this work, an …
the development of quantum computing systems utilising these components. In this work, an …
Thin film materials for room temperature quantum applications
Thin films with quantum defects are emerging as a potential platform for quantum
applications. Quantum defects in some thin films arise due to structural imperfections, such …
applications. Quantum defects in some thin films arise due to structural imperfections, such …
Characterizing precision coaxial air lines as reference standards for cryogenic S-parameter measurements at milli-Kelvin temperatures
Accurate S-parameter characterization of coaxial microwave devices and interfaces at milli-
kelvin (mK) temperatures is essential for building high performance quantum computing …
kelvin (mK) temperatures is essential for building high performance quantum computing …
Low-noise cryogenic microwave amplifier characterization with a calibrated noise source
M Malnou, TFQ Larson, JD Teufel, F Lecocq… - Review of Scientific …, 2024 - pubs.aip.org
Parametric amplifiers have become a workhorse in superconducting quantum computing;
however, research and development of these devices has been hampered by inconsistent …
however, research and development of these devices has been hampered by inconsistent …
RF and microwave metrology for quantum computing–recent developments at the UK's National Physical Laboratory
Development of large-scale quantum computing systems will require radio frequency (RF)
and microwave technologies operating reliably at cryogenic temperatures down to tens of …
and microwave technologies operating reliably at cryogenic temperatures down to tens of …
Determination of the permittivity of transmission lines at milli-Kelvin temperatures
Many quantum technologies rely heavily on propagation of RF and microwave signals
through devices at cryogenic temperatures, and detailed understanding of materials and …
through devices at cryogenic temperatures, and detailed understanding of materials and …
On-wafer vector-network-analyzer measurements at mK temperatures
EME Wei, RA Chamberlin, N Kilmer… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
We describe a system for performing on-wafer vector-network-analyzer measurements from
100 MHz to 15 GHz at mK temperatures (ie, less than 20 mK). We first demonstrate a camera …
100 MHz to 15 GHz at mK temperatures (ie, less than 20 mK). We first demonstrate a camera …
Characterizing S-Parameters of Microwave Coaxial Devices with up to Four Ports at Temperatures of 3 K and Above for Quantum Computing Applications
Multiport microwave devices operating at cryogenic temperatures are used in quantum
computing to enable complex quantum operations. These components need to be precisely …
computing to enable complex quantum operations. These components need to be precisely …
In-operando microwave scattering-parameter calibrated measurement of a Josephson travelling wave parametric amplifier
Superconducting travelling wave parametric amplifiers (TWPAs) are broadband near-
quantum limited microwave amplifiers commonly used for qubit readout and a wide range of …
quantum limited microwave amplifiers commonly used for qubit readout and a wide range of …