Bulletin of the American Physical Society
APS March Meeting 2018
Volume 63, Number 1
Monday–Friday, March 5–9, 2018; Los Angeles, California
Session X28: Quantum Annealing: Theory
8:00 AM–10:36 AM,
Friday, March 9, 2018
LACC
Room: 405
Sponsoring
Unit:
DQI
Chair: Tameem Albash, Univ of Southern California
Abstract ID: BAPS.2018.MAR.X28.10
Abstract: X28.00010 : Quantum Solitons: Control and Spectral Broadening*
10:12 AM–10:24 AM
Presenter:
Giulia Marcucci
(Physics, Sapienza University of Rome)
Authors:
Giulia Marcucci
(Physics, Sapienza University of Rome)
Claudio Conti
(Institute for Complex Systems, National Research Council)
Simone Montangero
(Theoretische Physik, Universitat des Saarlandes)
Tommaso Calarco
(Institute for Complex Quantum Systems, Ulm University)
Optical QSs are the quantum counterpart of the self-localized propagation-invariant optical classical solitons (CSs). When the number of quanta goes to infinity, QSs tend to CSs. But, surprisingly, the evolution in the quantum regime is characterized by spreading. We control QSs by computing an optimal time-dependent perturbation to the Hamiltonian, achievable by dispersion or nonlinearity management in an optical fiber. By combining stochastic partial differential equations and CRAB, we look for the optimal control to limit quantum spreading and maximize SG. We find that QC allows to induce a steep-field gradient that enhances the QS spectral broadening.
The quantum deviation from the classical propagation of QSs is here ruled by the powerful QC tools to resemble CSs at low photon number regime or to obtain SG from quantum sources.
*Templeton (grant number 58277).
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.MAR.X28.10
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