Zobrazeno 1 - 10
of 305
pro vyhledávání: '"Calarco, Tommaso"'
Autor:
David, Alessandro, Pazhedath, Akshay Menon, Schreiber, Lars R., Calarco, Tommaso, Bluhm, Hendrik, Motzoi, Felix
Spin qubit shuttling via moving conveyor-mode quantum dots in Si/SiGe offers a promising route to scalable miniaturized quantum computing. Recent modeling of dephasing via valley degrees of freedom and well disorder dictate a slow shutting speed whic
Externí odkaz:
http://arxiv.org/abs/2409.07600
Autor:
Grimm, Nick, Senkalla, Katharina, Vetter, Philipp J., Frey, Jurek, Gundlapalli, Prithvi, Calarco, Tommaso, Genov, Genko, Müller, Matthias M., Jelezko, Fedor
The ability to process and store information on surrounding nuclear spins is a major requirement for group-IV color center-based repeater nodes. We demonstrate coherent control of a ${}^{13}$C nuclear spin strongly coupled to a negatively charged ger
Externí odkaz:
http://arxiv.org/abs/2409.06313
Autor:
Joas, Timo, Ferlemann, Florian, Sailer, Roberto, Vetter, Philipp J., Zhang, Jingfu, Said, Ressa S., Teraji, Tokuyuki, Onoda, Shinobu, Calarco, Tommaso, Genov, Genko, Müller, Matthias M., Jelezko, Fedor
Diamond is a promising platform for quantum information processing as it can host highly coherent qubits that could allow for the construction of large quantum registers. A prerequisite for such devices is a coherent interaction between nitrogen vaca
Externí odkaz:
http://arxiv.org/abs/2406.04199
Quantum Optimal Control (QOC) supports the advance of quantum technologies by tackling its problems at the pulse level: Numerical approaches iteratively work towards a given target by parametrising the applied time-dependent fields with a finite set
Externí odkaz:
http://arxiv.org/abs/2405.20889
Autor:
Vetter, Philipp J., Reisser, Thomas, Hirsch, Maximilian G., Calarco, Tommaso, Motzoi, Felix, Jelezko, Fedor, Müller, Matthias M.
A recurring challenge in quantum science and technology is the precise control of their underlying dynamics that lead to the desired quantum operations, often described by a set of quantum gates. These gates can be subject to application-specific err
Externí odkaz:
http://arxiv.org/abs/2403.00616
Autor:
Pazhedath, Akshay Menon, David, Alessandro, Oberländer, Max, Müller, Matthias M., Calarco, Tommaso, Bluhm, Hendrik, Motzoi, Felix
Semiconductor quantum dots have shown impressive breakthroughs in the last years, with single and two qubit gate fidelities matching other leading platforms and scalability still remaining a relative strength. However, due to qubit wiring considerati
Externí odkaz:
http://arxiv.org/abs/2403.00601
The effort to generate matrix exponentials and associated differentials, required to determine the time evolution of quantum systems, frequently constrains the evaluation of problems in quantum control theory, variational circuit compilation, or Mont
Externí odkaz:
http://arxiv.org/abs/2402.01498
Autor:
Bernád, József Zsolt, Schilling, Michael, Wen, Yutian, Müller, Matthias M., Calarco, Tommaso, Bertet, Patrice, Motzoi, Felix
We investigate for optimal photon absorption a quantum electrodynamical model of an inhomogeneously-broadened spin ensemble coupled to a single-mode cavity. We consider a one-photon input pulse and obtain a simple one-parameter form for its optimal s
Externí odkaz:
http://arxiv.org/abs/2401.04717
Publikováno v:
Quantum 8, 1299 (2024)
In this theoretical investigation, we study the effectiveness of a protocol that incorporates periodic quantum resetting to prepare ground states of frustration-free parent Hamiltonians. This protocol uses a steering Hamiltonian that enables local co
Externí odkaz:
http://arxiv.org/abs/2305.08641
Autor:
Reuter, Jan A. P., Mäusezahl, Max, Moumtsilis, Felix, Pfau, Tilman, Calarco, Tommaso, Löw, Robert, Müller, Matthias M.
An ensemble of Rydberg atoms can be excited with lasers such that it evolves into an entangled state with just one collective excitation within the Rydberg blockade radius. The decay of this state leads to the emission of a single, antibunched photon
Externí odkaz:
http://arxiv.org/abs/2303.03937