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Issue 42, 2016
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Coupling molecular spin centers to microwave planar resonators: towards integration of molecular qubits in quantum circuits

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Abstract

We present spectroscopic measurements looking for the coherent coupling between molecular magnetic centers and microwave photons. The aim is to find the optimal conditions and the best molecular features to achieve the quantum strong coupling regime, for which coherent dynamics of hybrid photon-spin states take place. To this end, we used a high critical temperature YBCO superconducting planar resonator working at 7.7 GHz and at low temperatures to investigate three molecular mononuclear coordination compounds, namely (PPh4)2[Cu(mnt)2] (where mnt2− = maleonitriledithiolate), [ErPc2]TBA+ (where pc2− is the phtalocyaninato and TBA+ is the tetra-n-butylammonium cation) and Dy(trensal) (where H3trensal = 2,2′,2′′-tris(salicylideneimino)triethylamine). Although the strong coupling regime was not achieved in these preliminary experiments, the results provided several hints on how to design molecular magnetic centers to be integrated into hybrid quantum circuits.

Graphical abstract: Coupling molecular spin centers to microwave planar resonators: towards integration of molecular qubits in quantum circuits

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Publication details

The article was received on 16 May 2016, accepted on 08 Jul 2016 and first published on 08 Jul 2016


Article type: Paper
DOI: 10.1039/C6DT01953F
Citation: Dalton Trans., 2016,45, 16596-16603
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    Coupling molecular spin centers to microwave planar resonators: towards integration of molecular qubits in quantum circuits

    C. Bonizzoni, A. Ghirri, K. Bader, J. van Slageren, M. Perfetti, L. Sorace, Y. Lan, O. Fuhr, M. Ruben and M. Affronte, Dalton Trans., 2016, 45, 16596
    DOI: 10.1039/C6DT01953F

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