Quantum Information and Applications [IQA]

The Quantum Information and Applications (IQA) group works on the theoretical and experimental aspects of quantum communications and quantum internet. Current projects focus on the development of new quantum cryptography protocols, known as hybrids, based on quantum physics and computational assumptions, the design of continuous variable quantum communication systems, as well as experiments investigating new sources of light for quantum communications that are compatible with fiber optic telecommunications networks.



Another important activity in the group lies at the intersection of computer science and quantum information, with an emphasis on optical quantum computing.
In this perspective, we develop machine-learning-based techniques to enable differentiable simulations of quantum optical systems. This constitutes an innovative method to optimize parametrized quantum circuits.
We also work on frequency-encoded linear optics quantum computing, leveraging on telecom-optimized optical components. This enables us to build an experimental multimode quantum processing platform, on which we intend to demonstrate quantum computing and quantum cryptographic applications.

The group has close links with researchers of the Université Paris-Saclay « Quantum center » and with the Paris Centre for Quantum Computing (PCQC). The group also represents the IMT as a founding member and rapporteur at the ETSI, ISG-QKD working on the standardization of quantum key distribution (QKD).

Team members

Key words

  • Quantum communications
  • Quantum computing
  • Quantum optics
  • Optical communications
  • Non-linear optics
  • Quantum Machine Learning

Scientific publications

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