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Lumière sur l’ordinateur quantique : la prochaine compétition commence | Valérian GIESZ | TEDxSaclay

Technology
03 Jul 20265 min summaryFrom TEDx Talks
Lumière sur l’ordinateur quantique : la prochaine compétition commence | Valérian GIESZ | TEDxSaclay
TEDx Talks
YouTube

Historical Context and Introduction to Quantum Computing

  • The first matches between a computer and chess grandmaster Casparov are recalled, where the computer, named Deep Blue, initially lost but was later improved and won, demonstrating a strong form of machine superiority over humans 10s.
  • A current competition is taking place between two types of machines, with the emergence of a new category of machine, the quantum computer, which has a new calculation capacity and is appearing alongside classical computers that are also becoming more performant 2m6s.
  • Quantum computers are like mini supercomputers, and when their performance is improved, they will provide access to a new kind of intelligence and allow the resolution of problems that classical computers cannot currently solve 2m6s.
  • An example is given to explain the power of quantum computers, which can solve complex problems without needing an exponential calculation capacity, unlike classical technologies, and can resolve problems that classical computers cannot 2m6s.

Potential of Quantum Computing in Scientific Research

  • The simulation and understanding of living mechanisms, matter, and the world around us are areas where quantum computers can make a significant impact, as classical computers are currently unable to model complex interactions between molecules, proteins, and cells 2m6s.
  • The pharmaceutical industry is facing challenges in developing new medicines due to the complexity of modeling living systems, resulting in fewer new medicines being developed and higher costs, which is an area where quantum computers could potentially make a significant difference 2m6s.
  • Having a powerful quantum computer that can understand the behavior of molecules, proteins, and viruses could potentially accelerate the discovery of new medicines and solve many problems 10s.

Current State and Development of Quantum Computing

  • Currently, quantum computers are still in the early stages of development, with limited performance, but they are improving, and experts are working on them like mechanics fine-tuning their racing cars 1m30s.
  • In 2019, Google announced a quantum advantage, showing the superiority of a quantum computer over a classical computer on a specific problem, but it was later found that the classical computer had not been properly trained for that problem 2m6s.
  • Since then, the technology has evolved, new technologies have emerged, and the community has grown, allowing for collective progress, and today, in 2026, there are quantum computers capable of simulating the behavior of complex molecules 3m30s.
  • The only way to verify the accuracy of these simulations is to synthesize the molecules, test their properties, and compare them, as classical computers can no longer simulate them 4m0s.

Research and Innovation in Quantum Technologies in France

  • In France, research is being conducted, and the speaker has worked at the Institut d'optique de Paris Saclet and the laboratory of photonics and nanostructures, now known as the Center of Nanosciences and Nanotechnology, one of the largest laboratories in Paris 5m0s.
  • The speaker's mission was to study the mechanisms of semiconductors to emit light particles, or photons, and they have developed a unique technology called single-photon sources, which can generate light pulses containing only one photon 6m0s.
  • The path of entrepreneurship was chosen to transform a result into an innovation and a product, and an enterprise was created with associates Nicolos Somaski and Pascal Senela, which now commercializes single-photon sources and has also entered the quantum computer race 10s.
  • In France, several quantum computers have been commercialized and made available to students, researchers, engineers, and developers, who can access them via an internet connection, and the company's quantum computers were manufactured to integrate single-photon sources 42s.

Unique Features and Applications of Quantum Computers

  • The unique feature of these quantum computers is the use of photons to perform calculations by manipulating their quantum properties, such as quantum superposition and entanglement, to maximize their computational capabilities 2m6s.
  • Researchers from around the world use these quantum computers to organize matches, where mathematical, chemical simulation, and physical problems are solved and compared to determine which computer, quantum or classical, provides the best answer with the highest precision and in the shortest time 2m6s.

Future Development and Error Correction in Quantum Computing

  • The next steps in the development of quantum computers include improving the technology by implementing error correction mechanisms, which will enable the detection and correction of errors during calculations, allowing for more reliable and powerful computing 4m30s.
  • The ultimate goal is to continue to improve and multiply the computational capabilities of quantum computers, similar to what has been achieved with classical electronics, and to explore new applications and techniques that can be developed using quantum computers 5m40s.

Quantum Computing as a Collaborative Evolutionary Tool

  • The development of quantum computers is compared to the match between artificial intelligence and chess player Casparov, where artificial intelligence was shown to be superior, but instead of replacing human players, it was used to develop new techniques, train, and improve, ultimately leading to a higher level of play 6m50s.
  • The competition between classical and quantum technologies is expected to be similar to a match, where both technologies will coexist and work together to improve overall performance and provide access to solving complex problems that are important to society, ultimately leading to a new level of intelligence 10s.

Implications and Vision for the Future of Quantum Computing

  • This new intelligence will enable a better understanding of matter, the universe, and living things, and may even optimize society and its organization, with the potential to bring about significant advancements 42s.
  • The current generation has witnessed several transitions, including the miniaturization of transistors and microelectronics, which has led to the development of supercomputers capable of performing billions of operations per second and paving the way for artificial intelligence with impressive performance 1m26s.
  • A new transition is currently underway with the arrival of quantum computer technology, which is unique and has the potential to be harnessed by individuals, including students, engineers, and curious minds, to test, develop, and explore new ideas 2m6s.
  • It is up to the current and future generations to take ownership of this technology, drive innovation, and push the boundaries of what is possible, much like chess players who continually raise the level of play, in order to fully realize the potential of quantum computing 2m46s.
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