1. Introduction

Jean-Jacques GREFFET

Professor at École Centrale Paris, CNRS UPR 288

Director of the physics department at École Centrale Paris.

Head of Nanophotonics and Quantum Information at the Nanosciences Ile-de-France Competence Center

Sebastian VOLZ

Researcher at the EM2C laboratory, CNRS UPR 288

Director of the "Thermique des nanosystèmes et nanomatériaux" research group

Member of the Centre de compétences Nanosciences Ile-de-France.