Scaling-Up quantum computation with Molecular spins (SUMO) · 2018. 4. 30. · Microwavequantum...
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Scaling-Up quantum computation with Molecular spins (SUMO) Long-term vision Artificial magnetic molecules Fully reproducible Microscopic and chemically tuneable Multi-qubit systems Project’s objectives Magnetic quantum processor Circuit Quantum Electrodynamics (QED) Single microwave photons on a chip Qubit read-out and coherent control Quantum bus: wire up qubits Interdisciplinary team Molecular logical qubits 3-9 addressable qubits Universal set of qugates Quantum error correction (QEC) codes | ⟩ 0 | ⟩ 0 | ⟩ 0 | ⟩ 1 X Undo error | ⟩ | ⟩ Coherent coupling to a single magnetic molecule Single spin coherence T 2 > 1 ms Nanoresonators Circuit QED with individual spins CSIC (coord.) 1. ICMA (F. Luis): Low-T physics, nano-devices, theory 2. U. Barcelona (G. Aromí): Chemical design 3. ICMOL-U. Valencia (E. Coronado): Nanolithography U. Manchester R. Winpenny Chemical design & Electron Paramagnetic Resonance U. Oxford A. Ardavan Pulsed Electron Paramagnetic Resonance U. Stuttgart (FMQ) S. Loth Scanning tunneling microscopy, single-molecule spectroscopy TU. Wien J. Majer Circuit QED experiments INSTM 1. U. Parma (S. Carretta): Theory 2. U. Firenze (R. Sessoli): Chemical design, surface science S/T activities: work plan 1 2 3 1 2 Multiqubit molecules Physical characterization CSIC, UMAN, INSTM Spin coherence optimization Quantum gates for QEC GdW 30 (PPh 4 ) 2 [Cu(mnt) 2 ] (PPh 4 ) 2 [V(C 8 S 8 ) 3 ] Impact SC nano-resonators Nanopatterning Molecules on SC surfaces & Single spin coherence UMAN, UOXF, CSIC Circuit QED Control & Read-out Theory Coherent spin-photon coupling & QEC in single molecules FMQ, INSTM CSIC, INSTM, TUWIEN TUWIEN, CSIC Management & dissemination Frequency (GHZ) INSTM, TUWIEN, CSIC Short-medium term (3-6 years) Coherently coupling single spins to single photons: wire- up spin qubits Mastering decoherence of spin qubits Microwave quantum spin sensors: single molecule EPR Medium term (6 years) Scalable register of (> 100) noise-resilient logical spin qubits A novel, genuinely European platform for quantum computation and quantum simulation 0 1
Transcript of Scaling-Up quantum computation with Molecular spins (SUMO) · 2018. 4. 30. · Microwavequantum...
Scaling-Up quantum computation with Molecular spins (SUMO)
Long-term visionArtificial magnetic molecules
Fully reproducible
Microscopic and chemicallytuneable
Multi-qubit systems
Project’s objectives
Magnetic quantum processor
Circuit Quantum Electrodynamics (QED)
Single microwave photons on a chip
Qubit read-out and coherent control
Quantum bus: wire up qubits
Interdisciplinary teamMolecular logical qubits
3-9 addressable qubits
Universal set of qugates
Quantum error correction (QEC) codes
| ⟩0| ⟩0
| ⟩0| ⟩1
XUndoerror
| ⟩𝜓𝜓𝜓 | ⟩𝜓𝜓
Coherent coupling to a single magnetic molecule
Single spin coherence T2 > 1 ms
Nanoresonators
Circuit QED with individual spins
CSIC (coord.)1. ICMA (F. Luis): Low-T physics, nano-devices, theory2. U. Barcelona (G. Aromí): Chemical design3. ICMOL-U. Valencia (E. Coronado): Nanolithography
U. ManchesterR. Winpenny
Chemical design & ElectronParamagnetic Resonance
U. OxfordA. Ardavan
Pulsed Electron ParamagneticResonance
U. Stuttgart (FMQ)S. Loth
Scanning tunneling microscopy, single-molecule spectroscopy
TU. WienJ. Majer
Circuit QED experiments
INSTM
1. U. Parma (S. Carretta): Theory
2. U. Firenze (R. Sessoli): Chemicaldesign, surface science
S/T activities: work plan
1 2
3
1
2
Multiqubit molecules
Physicalcharacterization
CSIC, UMAN, INSTM
Spin coherenceoptimization
Quantum gates for QEC
GdW30
(PPh4)2[Cu(mnt)2]
(PPh4)2[V(C8S8)3]
Impact
SC nano-resonatorsNanopatterning
Molecules on SC surfaces&
Single spin coherence
UMAN, UOXF, CSIC
Circuit QEDControl & Read-out
Theory
Coherent spin-photon coupling& QEC in single molecules
FMQ, INSTM CSIC, INSTM, TUWIEN TUWIEN, CSIC
Management & dissemination
Frequency (GHZ)
INSTM, TUWIEN, CSIC
Short-medium term (3-6 years) Coherently coupling single spins to single photons: wire-
up spin qubits
Mastering decoherence of spin qubits
Microwave quantum spin sensors: single molecule EPR
Medium term (6 years)
Scalable register of (> 100) noise-resilient logical spin qubits
A novel, genuinely European platform for quantum computation and quantum simulation
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