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Coherent Manipulation of Rotational States of Single Molecules via Direct Frequency Comb Excitation

Objective

The increasing ability to manipulate individual quantum systems is leading to a wave of new technologies that have fundamentally superior performance and capabilities for many applications in metrology, sensing, communication, simulation and computing. It is thus identified today as a major axis of research and innovation as apparent from the European Commission decision to launch a Quantum Technology (QT) Flagship. Trapped and laser-cooled atomic ions have in this context proven to be a very important system. Their exploitation within QT is, however, typically limited by their coupling to time-varying stray magnetic fields which shortens the timescale for coherent manipulation. In this perspective, using molecular ions, because they can be made nearly immune to magnetic fields fluctuations, would be advantageous. The complex level structure makes though quantum control of cold molecular ions significantly more challenging. Only this year first deterministic state manipulation of molecular ions, yet within a same rotational manifold, was performed at NIST, USA, in the group of Dr. Dietrich Leibfried. With COMAMOC, I will go step further and drive transitions between different rotational levels with a frequency comb laser. This innovative approach, will be based on my recent achievement in driving the fine structure transition of the Ca+ atomic ion with this technique, in collaboration with Prof. Michael Drewsen at AU. The proposed action, hosted in his group, which has longest experience with cold molecular ions, is a unique opportunity to achieve full deterministic coherent control over the quantum states of a molecule. COMAMOC will open up for many fundamental investigations and technological achievements ranging from test of QED to the use of molecular ions as qubits in ion-based QT. The proposed action is therefore expected to impact the future of the information and communication technology (ICT) market which is foreseen to be quantum in the next few decades.

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Programme(s)

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Topic(s)

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Funding Scheme

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MSCA-IF-EF-ST - Standard EF

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Call for proposal

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(opens in new window) H2020-MSCA-IF-2017

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Coordinator

AARHUS UNIVERSITET
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 200 194,80
Address
NORDRE RINGGADE 1
8000 Aarhus C
Denmark

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Region
Danmark Midtjylland Østjylland
Activity type
Higher or Secondary Education Establishments
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Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 200 194,80
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