Zobrazeno 1 - 10
of 147
pro vyhledávání: '"Keller, Arne"'
We introduce a framework for the study of multiparty entanglement by analyzing the behavior of collective variables. Throughout the manuscript, we explore a specific type of multiparty entanglement which can be detected through the fluctuation of a c
Externí odkaz:
http://arxiv.org/abs/2408.16356
We present a method to systematically identify and classify quantum optical non-classical resources based on the computational power they generate in a bosonic quantum computer. To achieve this, we establish a one-to-one correspondence between arbitr
Externí odkaz:
http://arxiv.org/abs/2407.03138
Publikováno v:
Phys. Rev. Lett. 132, 170601 (2024)
GKP states, introduced by Gottesman, Kitaev, and Preskill, are continuous variable logical qubits that can be corrected for errors caused by phase space displacements. Their experimental realization is challenging, in particular using propagating fie
Externí odkaz:
http://arxiv.org/abs/2310.12618
Autor:
Meskine, Othmane, Descamps, Eloi, Keller, Arne, Lemaître, Aristide, Baboux, Florent, Ducci, Sara, Milman, Pérola
In quantum mechanics, the precision achieved in parameter estimation using a quantum state as a probe is determined by the measurement strategy employed. The ultimate quantum limit of precision is bounded by a value set by the state and its dynamics.
Externí odkaz:
http://arxiv.org/abs/2309.10633
We use time-frequency continuous variables as the standard framework to describe states of light in the subspace of individual photons occupying distinguishable auxiliary modes. We adapt to this setting the interplay between metrological properties a
Externí odkaz:
http://arxiv.org/abs/2301.11755
Publikováno v:
Phys. Rev. Lett. 131, 030801 (2023)
We study the role of the electromagnetic field's frequency in time precision measurements using single photons as a paradigmatic system. For such, we independently identify the contributions of intensity and spectral resources and show that both can
Externí odkaz:
http://arxiv.org/abs/2210.05511
We extensively discuss the Hong-Ou-Mandel experiment taking an original phase-space-based perspective. For this, we analyze time and frequency variables as quantum continuous variables in perfect analogy with position and momentum of massive particle
Externí odkaz:
http://arxiv.org/abs/2206.01518
Autor:
Keller, Arne, Khoury, Antonio Zelaquett, Fabre, Nicolas, Amanti, Maria Inès, Baboux, Florent, Ducci, Sara, Milman, Pérola
Stimulated emission tomography is a powerful and successful technique to both improve the resolution and experimentally simplify the task of determining the modal properties of biphotons. In the present manuscript we provide a theoretical description
Externí odkaz:
http://arxiv.org/abs/2205.09338
We present a second quantization description of frequency-based continuous variables quantum computation in the subspace of single photons. For this, we define frequency and time operators using the free field Hamiltonian and its Fourier transform, a
Externí odkaz:
http://arxiv.org/abs/2203.01220
Publikováno v:
Phys. Rev. A 102, 032212 (2020)
Adiabatic elimination methods allow the reduction of the space dimension needed to describe systems dynamics which exhibits separation of time scale. For open quantum system, it consists in eliminating the fast part assuming it has almost instantaneo
Externí odkaz:
http://arxiv.org/abs/2006.07528