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Quantum control with quantum light of molecular nonadiabaticity
Stockholm University, Faculty of Science, Department of Physics.ORCID iD: 0000-0002-2288-2548
2019 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 100, no 5, article id 053421Article in journal (Refereed) Published
Abstract [en]

Coherent control experiments in molecules are often done with shaped laser fields. The electric field is described classically and control over the time evolution of the system is achieved by shaping the laser pulses in the time or frequency domain. Moving on from a classical to a quantum description of the light field allows one to engineer the quantum state of light to steer chemical processes. The quantum field description of the photon mode allows one to manipulate the light-matter interaction directly in phase space. In this paper we demonstrate the basic principle of coherent control with quantum light on the avoided crossing in lithium fluoride. Using a quantum description of light together with the nonadiabatic couplings and vibronic degrees of freedoms opens up alternative perspective on quantum control. We show the deviations from control with purely classical light field and how back-action of the light field becomes important in a few-photon regime.

Place, publisher, year, edition, pages
2019. Vol. 100, no 5, article id 053421
National Category
Atom and Molecular Physics and Optics
Research subject
Physical Chemistry
Identifiers
URN: urn:nbn:se:su:diva-176258DOI: 10.1103/PhysRevA.100.053421OAI: oai:DiVA.org:su-176258DiVA, id: diva2:1373320
Funder
Swedish Research Council, 2018-05346Available from: 2019-11-26 Created: 2019-11-26 Last updated: 2019-11-27Bibliographically approved

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