29 citations · 81 across the 18 of their papers we have counts for
18 papers
Fast Microwave-free State Preparation and Measurement of Superconducting Qubits
R. Abraham, F. Amet, P. Anderson +212
Fast, high-fidelity, scalable state preparation and measurement is critical to the realization of a quantum computing system. The state-of-the-art methods for preparation and reado…
A Qutrit Time Crystal Stabilized with Native Chiral Interactions
Noah Goss, Nishchay Suri, Brian Marinelli +11
Periodically driven quantum many-body systems can spontaneously break discrete time-translation symmetry, realizing discrete time crystals. To date, both experimental and theoretic…
Flux Pumped Kerr-Free Parametric Amplifier
Kagan Yanik, Irwin Huang, Bibek Bhandari +7
We propose a flux-pumped superconducting parametric amplifier based on symmetrically threaded superconducting quantum interference devices (SQUIDs) that achieves a Kerr-free operat…
Contactless cavity sensing of superfluid stiffness in atomically thin 4Hb-TaS
Trevor Chistolini, Ha-Leem Kim, Qiyu Wang +13
The exceptional tunability of two-dimensional van der Waals materials offers unique opportunities for exploring novel superconducting phases. However, in such systems, the measurem…
The superconducting grid-states qubit
Long B. Nguyen, Hyunseong Kim, Dat T. Le +9
Decoherence errors arising from noisy environments remain a central obstacle to progress in quantum computation and information processing. Quantum error correction (QEC) based on…
Tunable Superconducting Quantum Interference Device Coupler for Fluxonium Qubits
Abhishek Chakraborty, Bibek Bhandari, D. Dominic Briseño-Colunga +7
Tunable couplers enable high-fidelity two-qubit gates leveraging high on/off coupling ratios and reduced crosstalk within a single design. We investigate a galvanically connected d…
Dynamical Sweet and Sour Regions in Bichromatically Driven Floquet Qubits
D. Dominic Briseño-Colunga, Bibek Bhandari, Debmalya Das +6
Modern superconducting and semiconducting quantum hardware use external charge and microwave flux drives to both tune and operate devices. However, each external drive is susceptib…
Scalable and Site-Specific Frequency Tuning of Two-Level System Defects in Superconducting Qubit Arrays
Larry Chen, Kan-Heng Lee, Chuan-Hong Liu +7
State-of-the-art superconducting quantum processors containing tens to hundreds of qubits have demonstrated the building blocks for realizing fault-tolerant quantum computation. No…
Collective Neutrino Oscillations in Three Flavors on Qubit and Qutrit Processors
Luca Spagnoli, Noah Goss, Alessandro Roggero +9
Collective neutrino flavor oscillations are of primary importance in understanding the dynamic evolution of core-collapse supernovae and subsequent terrestrial detection, but also…
First-principle crosstalk dynamics and Hamiltonian learning via Rabi experiments
Jan Balewski, Adam Winick, Yilun Xu +5
Coherent errors constitute a significant barrier to successful large-scale quantum computation. One such error mechanism is crosstalk, which violates spatial locality or the indepe…
Heisenberg-limited calibration of entangling gates with robust phase estimation
Kenneth Rudinger, J. P. Marceaux, Akel Hashim +3
The calibration of high-quality two-qubit entangling gates is an essential component in engineering large-scale, fault-tolerant quantum computers. However, many standard calibratio…
Implementation of scalable suspended superinductors
Christian Jünger, Trevor Chistolini, Long B. Nguyen +7
Superinductors have become a crucial component in the superconducting circuit toolbox, playing a key role in the development of more robust qubits. Enhancing the performance of the…
Quantum Benchmarking of High-Fidelity Noise-Biased Operations on a Detuned-Kerr-Cat Qubit
Bingcheng Qing, Ahmed Hajr, Ke Wang +19
Ubiquitous noises in quantum systems remain a key obstacle to building quantum computers, necessitating the use of quantum error correction codes. Recently, error-correcting codes…
High-Coherence Kerr-cat qubit in 2D architecture
Ahmed Hajr, Bingcheng Qing, Ke Wang +15
The Kerr-cat qubit is a bosonic qubit in which multi-photon Schrodinger cat states are stabilized by applying a two-photon drive to an oscillator with a Kerr nonlinearity. The supp…
Symmetrically Threaded Superconducting Quantum Interference Devices As Next Generation Kerr-cat Qubits
Bibek Bhandari, Irwin Huang, Ahmed Hajr +7
We theoretically explore an alternative circuit for Kerr-cat qubits based on symmetrically threaded Superconducting Quantum Interference Devices (SQUID). The Symmetrically Threaded…
Performance of Superconducting Resonators Suspended on SiN Membranes
Trevor Chistolini, Kyunghoon Lee, Archan Banerjee +8
Suspending devices on thin SiN membranes can limit their interaction with the bulk substrate and reduce parasitic capacitance to ground. While suspending devices on membranes is us…
Empowering high-dimensional quantum computing by traversing the dual bosonic ladder
Long B. Nguyen, Noah Goss, Karthik Siva +6
High-dimensional quantum information processing has emerged as a promising avenue to transcend hardware limitations and advance the frontiers of quantum technologies. Harnessing th…
Broadband CPW-based impedance-transformed Josephson parametric amplifier
Bingcheng Qing, Long B. Nguyen, Xinyu Liu +9
Quantum-limited Josephson parametric amplifiers play a pivotal role in advancing the field of circuit quantum electrodynamics by enabling the fast and high-fidelity measurement of…