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Portail > Offres > Offre UPR2940-FLOPOI-045 - Post-doctorat: conception et mesure d'un réseau 2D de boites quantiques (H/F)

Post-doc : design and measure of semiconductor 2D array of quantum dots (M/F)

This offer is available in the following languages:
Français - Anglais

Date Limite Candidature : mercredi 3 février 2021

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General information

Reference : UPR2940-FLOPOI-045
Workplace : GRENOBLE
Date of publication : Wednesday, January 13, 2021
Type of Contract : FTC Scientist
Contract Period : 12 months
Expected date of employment : 1 March 2021
Proportion of work : Full time
Remuneration : Salary from 2648 € to 3768 € according to experience
Desired level of education : PhD
Experience required : Indifferent

Missions

Quantum dot arrays have been identified as a promising platform for digital quantum information processing that could harness existing Si based technologies. Furthermore they offer perspectives as analogical quantum simulators. Single qubit and two-qubits gates have been demonstrated on electrostatically defined quantum dots (QD) on GaAs and more recently on Si. In addition, analogical simulators have also been demonstrated on small systems. The next challenge of the field is to scale up those systems to use more quantum dots to tackle more complex problems both for quantum information processing and quantum simulation.

Activities

The goal of the project is to design and measure semiconductor 2D array of quantum dots to perform basic quantum operations. More precisely, we will start with two electron spin qubits coupled together in an array of quantum dots. We will investigate how to measure the spin state of such system and how to implement two-Qubit logic gates. We will increase the number of electron spin s under control, study their interaction via spin read-out of pair of electron spins.

Skills

- PhD in Condensed Matter Physics
- Experience in a physics laboratory

Work Context

AlGaAs samples will be fabricated at Institut Néel. Si samples will be fabricated at CEA-LETI with a state of the art CMOS facility to enable maximum output and reproducibility. To control and manipulate the electron spin coherently, the applicant will benefit from the long-standing expertise of the Neel-group in AlGaAs based electron spin qubits (computer control, low temperature cryogenics, low-noise electronics, Radiofrequency electronics).
The Institut NEEL is one of the largest French national research institutes for fundamental research in condensed matter physics enriched by interdisciplinary activities at the interfaces with chemistry, engineering and biology. It is located in the heart of a unique scientific, industrial and cultural environment. It is part of one of Europe's biggest high-tech environment in micro- and nanoelectronics, right next to the French Alpes.

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