CE47 - Technologies quantiques

Scalable microwave-to-opTical cOnverter for qUantum neTworks – STOUT

Submission summary

Distributed quantum computing and quantum networks will require quantum interconnects: bi-directional, high-efficiency microwave/optical frequency converters. The advent of such applications is bound to the existence of converters fabricated with Very Large Scale Integration (VLSI) processes. This is a tremendous challenge as already-demonstrated basic principles cannot be easily transposed into a large-scale platform. STOUT will address this challenge and demonstrate high-efficiency quantum frequency conversion with a monolithic device operating at cryogenic temperature, embedding a microwave cavity and an optical cavity both coupled to a nanomechanical resonator, fabricated on 200mm Silicon-On-Insulators wafers with VLSI processes. STOUT gathers world-class experts in microwave cavities (INéel, Grenoble), VLSI nanomechanical resonators (CEA LETI, Grenoble) and quantum optomechanics (MPQ, Paris Diderot). The only VLSI optomechanics platform worldwide is one of the outcomes of their previous collaboration.

Project coordinator

Monsieur Guillaume Jourdan (Laboratoire d'Electronique et de Technologie de l'Information)

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.


NEEL Institut Néel
LETI Laboratoire d'Electronique et de Technologie de l'Information
MPQ Laboratoire Matériaux et Phénomènes Quantiques

Help of the ANR 743,677 euros
Beginning and duration of the scientific project: February 2022 - 48 Months

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