Alice & Bob, Quandela And CNRS Partner to Optimise Energy Efficiency of Quantum Computers

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Insider Brief

  • French companies have joined forces in an innovative project to optimize energy consumption in quantum computing.
  • The project seeks to compare the energy requirements of solving relevant industry use cases on classical high-performance computing (HPC) systems versus quantum systems.
  • Up to €4.5M of the €6.1M project is supported by France 2030.

PRESS RELEASE — The French electric utility company EDF, along with quantum computing companies Quandela and Alice & Bob, and the French National Centre for Scientific Research (CNRS), have signed an agreement to collaborate on an innovative project to optimize energy consumption in quantum computing.

The project, named “Energetic Optimisation of Quantum Circuits” (OECQ), will, in the first phase, compare the energy requirements of high-performance computing (HPC) systems with those of quantum computers. This analysis will be based on relevant industry use cases and the advanced computations they require. This part of the project will provide the first measurement of energy consumption for the full stack of a quantum computer.

In the second phase, the project will focus on optimizing the energy consumption of quantum computers, addressing not only the energy required by the quantum processing unit (QPU) per se but also that of the auxiliary technologies powering the QPU, which are expected to make up a relevant share of the total quantum system consumption.

The OECQ project gathers a cross-disciplinary team, pooling together fundamental research and industry R&D:

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  • EDF , a major player in energy transition, offers industry use cases, as well as classical and quantum computing expertise. EDF will identify the relevant use cases that demand intensive computing power and therefore potentially high energy consumption.
    Drawing on its experience in algorithm development, EDF decided to establish a team of quantum computing researchers in 2017 to test the computational and energy performance of these future machines. This aligns with EDF’s Responsible Digital Group approach adopted since 2021.
  • Alice & Bob specializes in quantum processing unit and algorithm development. They will test the energy needs of their innovative superconducting qubit architecture, the cat qubit.
  • Quandela is a leader in photonic quantum computing providing industry-grade hardware and software solutions. Their platform is based on semiconductor qubit devices and integrated photonics.
    Alice & Bob and Quandela will estimate the energy consumption that a quantum algorithm would require for the selected use cases if solved using their current quantum systems. They will then leverage the insights gained, to build and test new, more energy-efficient quantum processor prototypes.
  • The CNRS Quantum Energy Team |QET> has provided the first methodology to tackle energy costs of the full stack of a quantum computer and plays a leading role in the development of a standard of energy efficiency at the IEEE.

Throughout the whole project, CNRS will ensure methodological excellence and compute the theoretical bounds for energy consumption.

The project, with a total cost of €6.1M, is supported up to €4.5M by a France 2030 grant operated on behalf of the French state by Bpifrance, France’s public investment bank.

“One of the primary objectives of the OECQ project is to seize the opportunity to develop quantum computing technology in an energy-efficient manner from the outset,” said Théau Peronnin, CEO of Alice & Bob. “As quantum computing is still in its nascent stages, this project will dimension the future energy infrastructures that will support mature quantum technology. Additionally, since energy consumption is a key cost driver in quantum tech, making these processes more efficient offers a significant competitive advantage.”

“EDF is committed to the promotion of a responsible and low-carbon digital transformation. Since 2018, EDF has been involved in evaluating the benefits of quantum for our businesses. This technology brings key advantages both in terms of computational speed and energy optimization,” said Joseph Mikael, Head of Quantum Computation.

“As co-founders of the Quantum Energy Initiative, our CNRS team is extremely excited by OECQ, which is the first large project devoted to the exploration of a quantum energetic advantage in real quantum computers. It will consolidate the lead of France in quantum energetics and bring into existence a new way of practicing responsible innovation, which takes into account the fact that energetic resources are finite,” said Alexia Auffèves, CNRS Senior Scientist.

“We recognize that energy efficiency is paramount in the development of quantum computing technology,” said Niccolo Somaschi, CEO of Quandela. “As we push the boundaries of what is possible, it’s crucial that we do so in a sustainable manner.”

[1] Based in Singapore laboratory MajuLab (CNRS/Sorbonne University/Côte d’Azur University/National University of Singapore/Nanyang Technological University) and Laboratoire de physique et modélisation des milieux condensés (LPMMC – CNRS/Université Grenoble-Alpes).

[2] L’IEEE (Institute of Electrical and Electronics Engineers) is an international organization bringing together thousands of technology professionals. With more than 1000 resolutions, it is the largest source of emerging technology regulations.

Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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