activity
20082026
most citedColloquium: Understanding Quantum Weak Values: Basics and Applications

708 citations · 3.4k across the 58 of their papers we have counts for

collaborators

60 papers

quant-ph2026

Dynamically protected erasure qubit via low-frequency charge driving

Ahmed Hajr, Ke Wang, Bingcheng Qing +6

Dynamical protection via strong driving can enable resilient quantum processing on imperfect physical hardware. However, the practical utility of such schemes is frequently limited…

quant-ph2026

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…

quant-ph2025

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…

quant-ph2025

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…

quant-ph2024★ 1 cited

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…

quant-ph2024★ 20 cited

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…