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Research Meeting (online)

Zoom Link: https://unibas.zoom.us/j/63285111148?pwd=TUpNOXhXbTNBRWtIVUZmcytXNE5rQT09

13:00-13:15
Welcome, General Info

Project Talks:

  • Each talk should include a short intro, works in progress and plans.

  • The time for each talk is given in brackets behind the title.

  • Please include 2-3 Minutes for questions in the time assigned for your talk.

13:15-14:23

Project E: Electron Spin Qubits

Chairs: Heike Riel and Martino Poggio

13:15
E1 FD-SOI, Yingfen Wie, Fabio Bersano (Ionescu group, EPFL)
FD-SOI process for electron spin qubit device (20’)

13:35
E1 Michele Aldeghi (team IBM: Salis / Allenspach)
Integration of a nanomagnet in a Si-based electron spin qubit device (12’)

13:47
Kostas Tsoukalas (team IBM: Fuhrer/ Salis):
Linear Chains in MOS Quantum Dots" (E2/H2) (12’)

13:59
E1/E2 Aurèle Kamber (Poggio group, Basel)
A NW SET Scanning Probe (12’)

14:11
E2/E3 Petar Tomic (IBM)
Characterization of IBM Si samples using Hall bar geometries (12’)

14:23
Break & discussions 12’

14:35-15:47

Project H: Hole Spin Qubits

Chairs: Anna Fontcuberta i Morral and Dominik Zumbühl

14:35
H1 theory: Stefano Bosco (Loss Group, Basel)
Hole spin qubits in Si FinFETs and Ge quantum dots (12’)

14:47 H2 growth:
tba (Fontcuberta group, EPFL) (12’)

14:59
H2 growth: Dr. Gerard Gadea (Zardo group, Basel)
Growth of Ge-Si heterostructures for spin qubits (12’)

15:11
H3 Ge/Si qubits, Floris Braakman (Zumbühl group, Basel)
Hole spin qubits in Ge/Si nanowires: a spin-orbit switch platform (12’)

15:23
H4 finFETs: Andreas Kuhlmann (Warburton group, Basel)
A spin qubit in a fin field-effect transistor (12’)

15:35
H4 finFETs: Matthias Mergenthaler (team IBM: Fuhrer / Salis)
Updates on finFET fabrication: improving reproducibility (12’)

15:47
Break & Discussions (13’)

16:00-17:36

Project A: Architecture

Chairs: Kirsten Moselund and Andreas Fuhrer

16:00
Device simulations: Ilan Bouquet, Qian Ding (Luisier group, ETHZ)
Simulations of finFET nanostructures (20’)

16:20
A2: spin-photon coupling, Jann Ungerer (Schönenberger group, Basel)
Implementing a microwave architecture for a spin-photon interface (12’)

16:32
A2 Pasquale Scarlino (EPFL)
Super-semi hybrid devices for quantum computing (18’)

16:50
Break & Discussions (10’)

17:00
A3 read-out and coupling elements, Eoin Kelly (Fuhrer / Salis group, IBM)
Progress towards read-out with compact resonators (12’)

17:12
A4 Cryo-MOS, Mridula Prathapan (Moselund group, IBM)
Cryogenic CMOS device characterization and circuit design for quantum control and readout (12’)

17:24
A5: quantum error correction, Daniel Miller (Wootton group, IBM)
A graph-theoretical puzzle allowing the quantification of multi-qubit correlations (12’)

17:36
Discussion, Closing Remarks

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April 20

QCQT Research Seminar: Squeezed hole qubits in Ge quantum dots: ultrafast gates at low power

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Next
May 11

NCCR SPIN Research Seminar: A hot spin qubit in a silicon fin field-effect transistor