Phonon-trapping-enhanced energy resolution in superconducting single-photon detectors

PJ De Visser, SAH De Rooij, V Murugesan… - Physical Review …, 2021 - APS
A noiseless, photon-counting detector, which resolves the energy of each photon, could
radically change astronomy, biophysics, and quantum optics. Superconducting detectors …

PTOLEMY: A proposal for thermal relic detection of massive neutrinos and directional detection of MeV dark matter

E Baracchini, MG Betti, M Biasotti, A Bosca… - arXiv preprint arXiv …, 2018 - arxiv.org
We propose to achieve the proof-of-principle of the PTOLEMY project to directly detect the
Cosmic Neutrino Background (CNB). Each of the technological challenges described in [1 …

[HTML][HTML] Carrier localization enhanced high responsivity in graphene/semiconductor photodetectors

AQ Hu, QL Liu, X Guo - Chip, 2022 - Elsevier
Graphene on top of semiconductor builds an emerging highly sensitive photodetector with
internal gain. Owing to the graphene/semiconductor interface junction, one kind of photo …

The superconducting quasiparticle-amplifying transmon: a qubit-based sensor for meV scale phonons and single THz photons

CW Fink, CP Salemi, BA Young, DI Schuster… - arXiv preprint arXiv …, 2023 - arxiv.org
With great interest from the quantum computing community, an immense amount of R&D
effort has been invested into improving superconducting qubits. The technologies …

Counting near infrared photons with microwave kinetic inductance detectors

W Guo, X Liu, Y Wang, Q Wei, LF Wei… - Applied Physics …, 2017 - pubs.aip.org
We demonstrate photon counting at 1550 nm wavelength using microwave kinetic
inductance detectors (MKIDs) made from TiN/Ti/TiN trilayer films with superconducting …

[HTML][HTML] Characterizing TES power noise for future single optical-phonon and infrared-photon detectors

CW Fink, SL Watkins, T Aramaki, PL Brink, S Ganjam… - AIP Advances, 2020 - pubs.aip.org
In this letter, we present the performance of a 100 μm× 400 μm× 40 nm W Transition-Edge
Sensor with a critical temperature of 40 mK. This device has a noise equivalent power of …

Status of the SIMP project: Toward the single microwave photon detection

D Alesini, D Babusci, C Barone, B Buonomo… - Journal of Low …, 2020 - Springer
The Italian institute for nuclear physics (INFN) has financed the SIMP project (2019–2021) in
order to strengthen its skills and technologies in the field of meV detectors with the ultimate …

Performance and uniformity of a kilo-pixel array of Ti/Au transition-edge sensor microcalorimeters

E Taralli, M D'Andrea, L Gottardi… - Review of Scientific …, 2021 - pubs.aip.org
Uniform large transition-edge sensor (TES) arrays are fundamental for the next generation of
x-ray space observatories. These arrays are required to achieve an energy resolution ΔE< 3 …

Investigation of superconducting Ti/Ti-Au/Au tri-layer films with a Co-sputtering process for transition-edge sensors

X Xu, X Sun, J He, J Chen, J Li, M Rajteri… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
The critical temperature (T c) of superconducting Ti/Au bilayer films is crucial for the
performance of transition-edge sensors. We use a co-sputtering technique to insert a Ti-Au …

[HTML][HTML] Complex impedance of TESs under AC bias using FDM readout system

E Taralli, P Khosropanah, L Gottardi, K Nagayoshi… - AIP Advances, 2019 - pubs.aip.org
The next generation of Far-infrared and X-ray space observatories will require detector
arrays with thousands of transition edge sensor (TES) pixel. It is extremely important to have …