4 papers · 1 filter
Long-range connectivity in a superconducting quantum processor using a ring resonator
Sumeru Hazra, Anirban Bhattacharjee, Madhavi Chand +4
Qubit coherence and gate fidelity are typically considered the two most important metrics for characterizing a quantum processor. An equally important metric is inter-qubit connect…
Engineering Cross Resonance Interaction in Multi-modal Quantum Circuits
Sumeru Hazra, Kishor V. Salunkhe, Anirban Bhattacharjee +5
Existing scalable superconducting quantum processors have only nearest-neighbor coupling. This leads to reduced circuit depth, requiring large series of gates to perform an arbitra…
Multiplexed readout of four qubits in 3D cQED architecture using broadband JPA
Suman Kundu, Nicolas Gheeraert, Sumeru Hazra +4
We propose and demonstrate a frequency-multiplexed readout scheme in 3D cQED architecture. We use four transmon qubits coupled to individual rectangular cavities which are aperture…
A programmable three-qubit superconducting processor with all-to-all connectivity
Tanay Roy, Sumeru Hazra, Suman Kundu +3
Superconducting circuits are at the forefront of quantum computing technology because of the unparalleled combination of good coherence, fast gates and flexibility in design parame…