Key issues review: useful autonomous quantum machines

JAM Guzmán, P Erker, S Gasparinetti… - Reports on Progress …, 2024 - iopscience.iop.org
Controlled quantum machines have matured significantly. A natural next step is to
increasingly grant them autonomy, freeing them from time-dependent external control. For …

Fundamental accuracy-resolution trade-off for timekee** devices

F Meier, E Schwarzhans, P Erker, M Huber - Physical Review Letters, 2023 - APS
From a thermodynamic point of view, all clocks are driven by irreversible processes.
Additionally, one can use oscillatory systems to temporally modulate the thermodynamic flux …

Universal control of a bosonic mode via drive-activated native cubic interactions

AM Eriksson, T Sépulcre, M Kervinen… - Nature …, 2024 - nature.com
Linear bosonic modes offer a hardware-efficient alternative for quantum information
processing but require access to some nonlinearity for universal control. The lack of …

Scaling qubit readout with hardware efficient machine learning architectures

S Maurya, CN Mude, WD Oliver, B Lienhard… - Proceedings of the 50th …, 2023 - dl.acm.org
Reading a qubit is a fundamental operation in quantum computing. It translates quantum
information into classical information enabling subsequent classification to assign the qubit …

Pure kinetic inductance coupling for cQED with flux qubits

S Geisert, S Ihssen, P Winkel, M Spiecker… - Applied Physics …, 2024 - pubs.aip.org
We demonstrate a qubit-readout architecture where the dispersive coupling is entirely
mediated by a kinetic inductance. This allows us to engineer the dispersive shift of the …

On-demand shaped-photon emission based on a parametrically modulated qubit

X Li, SY Li, SL Zhao, ZY Mei, Y He, CL Deng, Y Liu… - Physical Review …, 2025 - APS
In the circuit quantum electrodynamics architectures, to realize a long-range quantum
network mediated by a flying photon, it is necessary to shape the temporal profile of emitted …

QubiC 2.0: An extensible open-source qubit control system capable of mid-circuit measurement and feed-forward

Y Xu, G Huang, N Fruitwala, A Rajagopala… - arxiv preprint arxiv …, 2023 - arxiv.org
Researchers manipulate and measure quantum processing units via the classical
electronics control system. We developed an open-source FPGA-based quantum bit control …

[PDF][PDF] Divincenzo-like criteria for autonomous quantum machines

JAM Guzmán, P Erker… - arxiv preprint …, 2023 - quantumsteampunk.umiacs.io
Controlled quantum machines have matured significantly. A natural next step is to grant
them autonomy, freeing them from timed external control. For example, autonomy could …

Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture

C Križan, J Biznárová, L Chen, E Hogedal… - arxiv preprint arxiv …, 2024 - arxiv.org
It is advantageous for any quantum processor to support different classes of two-qubit
quantum logic gates when compiling quantum circuits, a property that is typically not seen …

Qibosoq: an open-source framework for quantum circuit RFSoC programming

R Carobene, A Candido, J Serrano… - arxiv preprint arxiv …, 2023 - arxiv.org
We present Qibosoq, an open-source server-side software package designed for radio
frequency system on chip (RFSoC) for executing arbitrary pulse sequences on self-hosted …