261 citations · 525 across the 16 of their papers we have counts for
16 papers
Near-Term Fermionic Simulation with Subspace Noise Tailored Quantum Error Mitigation
Miha Papič, Manuel G. Algaba, Emiliano Godinez-Ramirez +4
Quantum error mitigation (QEM) has emerged as a powerful tool for the extraction of useful quantum information from quantum devices. Here, we introduce the Subspace Noise Tailoring…
Noise-Robust Estimation of Quantum Observables in Noisy Hardware
Amin Hosseinkhani, Fedor Šimkovic, Alessio Calzona +6
Error mitigation is essential for extracting reliable results from quantum computations performed on noisy intermediate-scale quantum hardware. Here we introduce Noise-Robust Estim…
Improving and benchmarking NISQ qubit routers
Vicente Pina-Canelles, Adrian Auer, Inés de Vega
Quantum computers with a limited qubit connectivity require inserting SWAP gates for qubit routing, which increases gate execution errors and the impact of environmental noise due…
Multi-Layer Cycle Benchmarking for high-accuracy error characterization
Alessio Calzona, Miha Papič, Pedro Figueroa-Romero +1
Accurate noise characterization is essential for reliable quantum computation. Effective Pauli noise models have emerged as powerful tools, offering detailed description of the err…
Estimating the coherence of noise in mid-scale quantum systems
Pedro Figueroa-Romero, Miha Papič, Adrian Auer +1
While the power of quantum computers is commonly acknowledged to rise exponentially, it is often overlooked that the complexity of quantum noise mechanisms generally grows much fas…
Charge-parity switching effects and optimisation of transmon-qubit design parameters
Miha Papič, Jani Tuorila, Adrian Auer +2
Enhancing the performance of noisy quantum processors requires improving our understanding of error mechanisms and the ways to overcome them. In this study, we identify optimal ran…
Benchmarking Digital-Analog Quantum Computation
Vicente Pina Canelles, Manuel G. Algaba, Hermanni Heimonen +6
Digital-Analog Quantum Computation (DAQC) has recently been proposed as an alternative to the standard paradigm of digital quantum computation. DAQC creates entanglement through a…
Characterizing Physical Error Contributions of Quantum Gates
Miha Papič, Adrian Auer, Inés de Vega
Large-scale quantum computation requires a reliable assessment of the main sources of error in the implemented quantum gates. To this aim, we provide a learning-based framework tha…
Operational Markovianization in Randomized Benchmarking
Pedro Figueroa-Romero, Miha Papič, Adrian Auer +3
A crucial task to obtain optimal and reliable quantum devices is to quantify their overall performance. The average fidelity of quantum gates is a particular figure of merit that c…
Long-distance transmon coupler with CZ gate fidelity above
Fabian Marxer, Antti Vepsäläinen, Shan W. Jolin +36
Tunable coupling of superconducting qubits has been widely studied due to its importance for isolated gate operations in scalable quantum processor architectures. Here, we demonstr…
Accelerated quantum control using superadiabatic dynamics in a solid-state lambda system
Brian B. Zhou, Alexandre Baksic, Hugo Ribeiro +7
Adiabatic evolutions find widespread utility in applications to quantum state engineering, geometric quantum computation, and quantum simulation. Although offering robustness to ex…
Entanglement Distillation using the Exchange Interaction
Adrian Auer, René Schwonnek, Christian Schoder +3
A key ingredient of quantum repeaters is entanglement distillation, i.e., the generation of high-fidelity entangled qubits from a larger set of pairs with lower fidelity. Here, we…
Optical manipulation of Berry phase in a solid-state spin qubit
Christopher G. Yale, F. Joseph Heremans, Brian B. Zhou +3
The phase relation between quantum states represents an essential resource for the storage and processing of quantum information. While quantum phases are commonly controlled dynam…
Long-range photon-mediated gate scheme between nuclear spin qubits in diamond
Adrian Auer, Guido Burkard
Defect centers in diamond are exceptional solid-state quantum systems that can have exceedingly long electron and nuclear spin coherence times. So far, single-qubit gates for the n…
Entanglement Purification with the Exchange Interaction
Adrian Auer, Guido Burkard
Entanglement purification allows the creation of qubit pairs of arbitrarily high fidelity with respect to a maximally entangled state, starting from a larger number of low-fidelity…
Entangled photons from the polariton vacuum in a switchable optical cavity
Adrian Auer, Guido Burkard
We study theoretically the entanglement of two-photon states in the ground state of the intersubband cavity system, the so-called polariton vacuum. The system consists of a sequenc…