Researchers at Universidade Federal de São Carlos designed a two-layer superconducting architecture using a DC-SQUID, fluxonium qubit & 2 ancillary qubits, achieving all 5 universal CV gates with >98% fidelity — a first for superconducting platforms.
#QuantumHardware #SuperconductingQubits #News
Fuzhou Univ. researchers achieved >99.6% fidelity entanglement between a superconducting qubit and squeezed cavity via parametric drive and adiabatic passage—bypassing ultra-strong coupling for fault-tolerant QC and quantum metrology.
#QuantumEntanglement #SuperconductingQubits #QuantumMetrology
Simulations show a remote controlled-Z gate exceeding 99.99% fidelity between fixed-frequency transmon qubits in separate modules linked by a 25cm coaxial cable, using double-transmon couplers with cross-Kerr on/off ratio >10^6.
#SuperconductingQubits #ModularQuantum #News
A Born-Oppenheimer effective single-mode model for double-junction superconducting qubits achieves 1–2 orders of magnitude accuracy improvement over classical models, with exponentially suppressed charge-noise sensitivity for EJΣ/Eint_C ≳ 30.
#SuperconductingQubits #JosephsonHarmonics #Research
Researchers linked Al electrode thickness & grain size to TLS defect density in 6,000 Josephson junctions, achieving a 2/3 reduction in TLS density via thicker electrodes—a key step toward scalable superconducting qubits.
#SuperconductingQubits #QuantumHardware #Research
On-FPGA co-location of pulse generation, acquisition, and analysis achieves T1 estimation in 10ms, pulse calibration in 1ms, and 74,000+ recalibrations over 6hrs, reducing gate infidelity 6.4% vs static baseline.
#SuperconductingQubits #QuantumControl #Research
Nobel laureate John Martinis explains how flux-tunable superconducting qubits demand noise control at ~10μV levels, single-point grounding, and direct measurement over assumption — announcing the John Martinis Prize for hands-on qubit access.
#SuperconductingQubits #QuantumControl #News
Rigetti achieved 99.9% two-qubit gate fidelity at 28ns via a proprietary adiabatic CZ scheme, secured an $8.4M C-DAC order for a 108-qubit on-prem system, and closed 2025 with $589.8M cash despite $7.1M revenue and $50.5M non-GAAP net loss.
#SuperconductingQubits #QuantumHardware #News
Rigetti and QphoX show superconducting qubits can be read out via optical transducer, enabling a compact, modular alternative to microwave amplification—potentially boosting scalability in quantum computing systems.
#SuperconductingQubits #QuantumHardware #News
QphoX & Bluefors replaced coaxial cables with optical fiber + cryogenic photodiode to control a transmon qubit in a Bluefors LD400, preserving coherence while slashing thermal load — a scalability breakthrough for large quantum processors.
#SuperconductingQubits #OpticalControl #QuantumHardware
SEEQC co-integrated SFQ digital control circuits with a 5-qubit processor at 10mK via chip-to-chip bonding, validated in Nature Electronics. Digital multiplexing cuts wiring complexity, marking a scalable path for superconducting quantum architecture.
#QuantumComputing #SuperconductingQubits #SEEQC
OQC integrated Purcell filters into multilayer PCB packaging—a first—using 10 GHz bandpass triangular coplanar patch antennas supporting 9-channel multiplexed readout on a 35-qubit chip, boosting coherence without increasing processor footprint.
#SuperconductingQubits #QuantumHardware #News
A fixed three-step protocol generates arbitrary-N NOON states in two superconducting microwave cavities via a five-level qudit, using only linear interactions and optimal control, achieving >90% fidelity under realistic decoherence.
#QuantumMetrology #SuperconductingQubits #Research
Qolab, IQCC & Quantum Machines launch a grant program awarding processor time, stipends & conference access to advance superconducting qubit hardware. A cryogenic filter partnership with Singapore's NQFF and a university fab program also announced.
#SuperconductingQubits #QuantumHardware #News
A cos(2φ) transmon qubit achieves 100× suppression of charge matrix element via Cooper-pair parity symmetry, yielding T₁=70μs. Coherent control & single-shot readout demonstrated; 1/f flux noise identified as dominant remaining error channel.
#SuperconductingQubits #QuantumErrorProtection #Research
Chinese researchers achieve >99.9% single-qubit gate fidelities on a C-shunt flux qubit combining 848 MHz anharmonicity with T1=23µs coherence, using DRAG pulses and randomized benchmarking — surpassing fault-tolerance thresholds.
#SuperconductingQubits #QuantumComputing #Research
Seeqc integrated SFQ digital control electronics with superconducting qubits via flip-chip bonding in a single multi-chip module, using digital demultiplexing to break linear wiring scaling. Single-qubit gate fidelities up to 99.9% demonstrated.
#QuantumComputing #SuperconductingQubits #News
Me trying to explain why the entire roadmap depends on the specific phase of a microwave pulse I spent all night calibrating.
#QuantumComputing #QCMemes #SuperconductingQubits
The faster you admit we're basically just high-end microwave engineers, the sooner the healing can begin.
#QuantumComputing #SuperconductingQubits #QCMemes
When you're playing IQM Kart (they're not calling it that), how should you use Radiance and how should you use Halocene?
bsiegelwax.substack.com/p/iqm-kart-r...
@insidequantumtech.bsky.social #QuantumComputing #SuperconductingQubits #HPC
For anyone interested, the full Nobel lectures from John Clarke, Michel Devoret, and John Martinis are now available.
#QuantumComputing #NobelPrize #SuperconductingQubits #PhysicsCommunity
Welcoming Manognya Acharya and David Quinn - Qruise's newest Quantum Physicists!🥳💫
They'll expand QruiseOS with new single- and multi-qubit characterisation experiments and work on boosting two-qubit gate performance ⚛️
Delighted to have you on board 🤝
#SuperconductingQubits #QuantumComputing
Google’s Color Code for Quantum Computing
Google’s color code is scaling quantum error correction on superconducting qubits. Discover 2025’s fault-tolerant quantum computing breakthroughs! #QuantumComputing #ColorCode #SuperconductingQubits #Tech #johnfetterman #lionvs.commenders #chuckschmer
🚀 Breakthrough in Quantum Computing! Superconducting qubits achieve a 17-nanosecond controlled-Z gate with 99.99% fidelity, paving the way for solving complex problems in seconds. How will this shape our future? 🤔 #QuantumLeap #SuperconductingQubits #TechRevolution LINK
Sundar Pichai Hails Google Quantum Scientists After Nobel Physics Win
Full Story: indiawest.com/sundar-picha...
#SundarPichai #MichelDevoret #JohnMartinis #JohnClarke #GoogleQuantumAI #QuantumComputing #SuperconductingQubits #QuantumHardware #QuantumAI
Alice & Bob, which recently closed a €100M Series B funding round and inaugurated a $50M #quantum laboratory in Paris, will nearly double its workforce by mid-2026 to execute its roadmap to build a useful #quantumcomputer by 2030
tinyurl.com/mrxbhyyj
#quantumcomputing #superconductingqubits
Happy day of Quantum, and congratulations to John Clarke, Michel Devoret, & John Martinis!
There's no stopping it now!
#NobelPrize #SuperconductingQubits #QuantumTunneling
nobelprize.org/prizes/physics…www.nobelprize.org/uploads/2025...df
Rigetti Computing has secured a $5.8 million, three-year contract from the U.S. Air Force Research Laboratory (AFRL) to advance superconducting quantum networking.
#RGTI #Rigetti #QphoX #RGTIStock #RGTINews #RGTIStockNews #QuantumComputing #QuantumNetworking #SuperconductingQubits #QuantumInternet
Heading to @sqaconference.bsky.social next week? Us too 🙌
Here’s where to find us:
𝗧𝘂𝗲𝘀 𝟮𝟲𝘁𝗵
🛠️ 𝗤𝗿𝘂𝗶𝘀𝗲 𝘄𝗼𝗿𝗸𝘀𝗵𝗼𝗽
⚛️ 𝗤𝗯𝗹𝗼𝘅 𝘀𝗶𝗱𝗲 𝗲𝘃𝗲𝗻𝘁
𝗧𝗵𝘂𝗿𝘀 𝟮𝟴𝘁𝗵
📢 𝗤𝗿𝘂𝗶𝘀𝗲 𝘁𝗮𝗹𝗸
𝗔𝗹𝗹 𝘄𝗲𝗲𝗸
💫 𝗤𝗿𝘂𝗶𝘀𝗲 𝗹𝗶𝘃𝗲 𝗱𝗲𝗺𝗼𝘀: booth 8
Full details at www.qruise.com/sqa25. See you there 👋
#SuperconductingQubits #QuantumComputing
