[PDF][PDF] Quantum optimal control in quantum technologies. Strategic report on current status, visions and goals for research in Europe

CP Koch, U Boscain, T Calarco, G Dirr, S Filipp… - EPJ Quantum …, 2022 - Springer
Quantum optimal control, a toolbox for devising and implementing the shapes of external
fields that accomplish given tasks in the operation of a quantum device in the best way …

Cavity-mediated electron-photon pairs

A Feist, G Huang, G Arend, Y Yang, JW Henke… - Science, 2022 - science.org
Quantum information, communication, and sensing rely on the generation and control of
quantum correlations in complementary degrees of freedom. Free electrons coupled to …

Floquet quantum thermal transistor

N Gupt, S Bhattacharyya, B Das, S Datta, V Mukherjee… - Physical Review E, 2022 - APS
We apply periodic control to realize a quantum thermal transistor, which we term as the
Floquet quantum thermal transistor. Periodic modulation allows us to control the heat flows …

Precision bound and optimal control in periodically modulated continuous quantum thermal machines

A Das, S Mahunta, BK Agarwalla, V Mukherjee - Physical Review E, 2023 - APS
We use Floquet formalism to study fluctuations in periodically modulated continuous
quantum thermal machines. We present a generic theory for such machines, followed by …

Macroscopic quantum superpositions via dynamics in a wide double-well potential

M Roda-Llordes, A Riera-Campeny, D Candoli… - Physical Review Letters, 2024 - APS
We present an experimental proposal for the rapid preparation of the center of mass of a
levitated particle in a macroscopic quantum state, that is a state delocalized over a length …

Floquet-engineered nonlinearities and controllable pair-hopping processes: From optical Kerr cavities to correlated quantum matter

N Goldman, OK Diessel, L Barbiero, M Prüfer… - PRX Quantum, 2023 - APS
This work explores the possibility of creating and controlling unconventional nonlinearities
by periodic driving, in a broad class of systems described by the nonlinear Schrödinger …

Crossover from attractive to repulsive induced interactions and bound states of two distinguishable Bose polarons

F Theel, SI Mistakidis, P Schmelcher - SciPost Physics, 2024 - scipost.org
We study the impact of induced correlations and quasiparticle properties by immersing two
distinguishable impurities in a harmonically trapped bosonic medium. It is found that when …

Tailored generation of quantum states in an entangled spinor interferometer to overcome detection noise

Q Guan, GW Biedermann, A Schwettmann… - Physical Review A, 2021 - APS
We theoretically investigate how entangled atomic states generated via spin-changing
collisions in a spinor Bose-Einstein condensate can be designed and controllably prepared …

Bosonic pair production and squeezing for optical phase measurements in long-lived dipoles coupled to a cavity

B Sundar, D Barberena, AP Orioli, A Chu… - Physical Review Letters, 2023 - APS
We propose to simulate bosonic pair creation using large arrays of long-lived dipoles with
multilevel internal structure coupled to an undriven optical cavity. Entanglement between the …

Nonlinear quantum gates for a Bose-Einstein condensate

S Xu, J Schmiedmayer, BC Sanders - Physical Review Research, 2022 - APS
Quantum interferometry and quantum information processing have been proposed for Bose-
Einstein condensates (BECs), but BECs are described in complicated ways such as using …