Design of Optomechanical Oscillators for Quantum

il y a 2 semaines


Grenoble, France CEA Temps plein

Description du poste

**Domaine**:

- Composants et équipements électroniques

**Contrat**:

- Post-doctorat

**Intitulé de l'offre**:
**Sujet de stage**:

- Quantum computing is seen as a disruptive technology that could pave the way to the design of new computers able to solve problems out of reach of classical architectures. One of the challenges of quantum computing is to provide solutions of electronics able to control and read the Qubits at cryogenic temperature.
- Oscillators is a key function of cryogenic temperature that can be found in the readout electronics or in the various reference frequency generators needed for high data-rate transmissions for example.
- The postdoc will consist in designing low phase, low power and low volume oscillator using an innovative optomechanical resonator under study in LETI and to study its performances at cryogenic temperature. The post doc will take advantage of already existing devices at LICA laboratory and on the experience of LGECA laboratory on the design of optomechanical conditioning circuits and on the characterization of cryogenic circuits.

**Durée du contrat (en mois)**:

- 1 year contract renewable 1 year.

**Description de l'offre**:

- The post doctoral position will take place in LGECA (Design of analog electronics) and LICA (design of innovative transducers) of CEA-Leti.-
The architecture study goal will be to identify the oscillator topologies from the classical ones (Colpitts, Hartley, negative resistance etc.) that will be the more adequate to optomechanical resonators. For this work, the post doc should acquire a good knowledge of optomechanical resonators in order to write an accurate electrical model that will be used in electrical simulators during oscillator optimization. For this task, the post doc will beneficiate from the experience of the LICA laboratory.- At the end of the post doc, a demonstrator of a first cryogenic optomechanical oscillator is expected as well as a design methodology of such devices.The post doc applicant should provide a particular attention to patenting and publishing of the main results of this research.**Moyens / Méthodes / Logiciels**:

- Optomechanical resonator / cryogneic fridges / Spice Spectre AltiumLocalisation du poste

**Site**:

- Grenoble

**Localisation du poste**:

- France, Auvergne-Rhône-Alpes, Isère (38)

**Ville**:

- Grenoble

**Langues**:

- Anglais (Courant)

**Formation recommandée**:

- PhD in electronics / analog electronics / microelectronics

**Possibilité de poursuite en thèse**:

- Non

Demandeur

**Disponibilité du poste**:

- 01/10/2023

Informations générales

**Entité de rattachement**:
Le CEA est un acteur majeur de la recherche, au service des citoyens, de l'économie et de l'Etat.
- Il apporte des solutions concrètes à leurs besoins dans quatre domaines principaux : transition énergétique, transition numérique, technologies pour la médecine du futur, défense et sécurité sur un socle de recherche fondamentale. Le CEA s'engage depuis plus de 75 ans au service de la souveraineté scientifique, technologique et industrielle de la France et de l'Europe pour un présent et un avenir mieux maîtrisés et plus sûrs.
- Implanté au cœur des territoires équipés de très grandes infrastructures de recherche, le CEA d'un large éventail de partenaires académiques et industriels en France, en Europe et à l'international.
- Les 20 000 collaboratrices et collaborateurs du CEA partagent trois valeurs fondamentales:
- La conscience des responsabilités
- La coopération
- La curiosité

**Référence **:2023-27942


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