PhD Position : Quantum entanglement with flying electron wavepackets

COFUND QuanG; France; Sur place; EUR 24 000 - 36 000; Plein temps

Résumé du poste

COFUND QuanG invites applications for a PhD position focused on entangling two flying electron qubits through orbital coupling in solid-state devices. The project builds on recent results and aims to demonstrate quantum entanglement of injected wave packets via Coulomb interaction.

The PhD is fully funded for three years under the QuanG2 program in Grenoble, with a strong international research environment and mobility within the network.

Qualifications

• Master's degree or equivalent qualification required by deadline.
• Strong background in quantum mechanics and solid-state physics.
• Experience with Python programming or nanofabrication is highly appreciated.

Responsabilités

• Entangle two flying electron qubits through orbital coupling as part of the PhD work.
• Perform experimental quantum information research in solid-state devices.
• Contribute to the development and validation of flying qubit protocols and measurements.

Connaissances

Quantum mechanics

Solid-state physics

Python programming

Nanofabrication

Formation

Master's degree or equivalent qualification

Outils

Python

Nanofabrication

Description du poste

Organisation/Company COFUND QuanG Research Field Physics » Quantum mechanics Physics » Solid state physics Researcher Profile First Stage Researcher (R1) Positions PhD Positions Application Deadline 7 Sep 2026 - 12:00 (Europe/Paris) Country France Type of Contract Temporary Job Status Full-time Offer Starting Date 1 Feb 2027 Is the job funded through the EU Research Framework Programme? Horizon Europe – COFUND Reference Number 101261699 Is the Job related to staff position within a Research Infrastructure? No

Offer Description

General Scope:
Coherent manipulation of single electrons in solid-state devices is attractive for quantum information purposes because they have a high potential for scalability. Depending on the system used, the charge or the spin may code binary qubit information. A particular appealing idea is to use a single flying electron itself as the conveyor of quantum information. Such electronic flying qubits allow performing quantum operations on qubits while they are being coherently transferred. Information processing typically takes place in the nodes of the quantum network on locally controlled qubits, but quantum networking would require flying qubits to exchange information from one location to another. It is therefore of prime interest to develop ways of transferring information from one node to the other. The availability of flying qubits would enable the possibility to develop new non-local architectures for quantum computing with possibly cheaper hardware overhead than e.g. surface codes.

PhD Subject:
The aim of the proposed PhD project is to entangle two flying electron qubits through orbital. This can be realized through the coupling of two electronic Mach-Zehnder interferometer. Based on our recent experiments with such an electron flying qubit [Ouacel et al. , Nat Commun 16, 4632 (2025)] we aim at coupling two electron flying qubits to realise quantum entanglement of two injected electron wavepackets through Coulomb interaction as highlighted in the figure on the right. When the electron wavepackets are synchronised, the bottom electron wave packet will induce a phase shift onto the electron in the upper Mach-Zehnder interferometer inducing a controlled two qubit-gate.

Required Skills:
Master 2 or engineering degree obtained at the deadline of the call. We are looking for an excellent and highly motivated candidate for an experimental PhD thesis. The candidate should have a strong background in quantum mechanics and solid-state physics. Skills in Python programming or nanofabrication are highly appreciated.

Applicants must hold a Master’s degree or an equivalent qualification by the application deadline and must not already hold a doctoral degree. Applicants must also comply with the MSCA mobility rule: they must not have resided or carried out their main activity (work, studies, etc.) in France for more than 12 months during the 36 months immediately preceding the application deadline. Applicants must not be current employees of the host laboratory. There are no nationality or age restrictions.

Additional comments

About the QuanG2 PhD Call

This PhD position is offered as part of the QuanG2 PhD Call for Applications, a doctoral programme coordinated by Université Grenoble Alpes and dedicated to training the next generation of researchers in quantum science and technology. The programme offers fully funded three-year PhD positions within the Grenoble quantum research ecosystem, providing doctoral candidates with a high-level international research environment and dedicated funding for their research and training activities.

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