In this episode of The New Quantum Era, your host Sebastian Hassinger talks with Dr. Daniel Lidar. Dr. Lidar is a pioneering researcher in quantum computing with over 25 years of experience, currently a professor at the University of Southern California. His work spans quantum algorithms, error correction, and quantum advantage, with significant contributions to understanding quantum annealing and noise suppression techniques. Lidar has been instrumental in exploring practical quantum computing applications since the mid-1990s.

Key Topics Discussed:

• Dr. Lidar discussed how his experiments have demonstrated computational advantages on D-Wave and IBM quantum devices using innovative error suppression methods like dynamical decoupling
• We discuss Dr. Lidar's involvement in the exploration of the mechanics of quantum annealing, particularly with D-Wave devices, and its potential for solving optimization problems
• Daniel provides a detailed view of emerging approaches to error suppression, including logical dynamical decoupling (LDD) and its experimental validation
• Finally we touch on Quantum Elements, his new company focused on developing more accurate open-system quantum simulation software to improve quantum hardware performance

In this episode, Sebastian Hassinger welcomes back James Wootton, now Chief Science Officer at Moth Quantum, for a fascinating conversation about quantum computing's role in creative applications. This is a return visit from James, having appeared on episode 2, this time to talk about his exciting new role. Previously at IBM Quantum, James has been a pioneer in exploring unconventional applications of quantum computing, particularly in gaming, art, and creative industries.

Key Topics

Origins of James's Quantum Journey

• Started in Arosa, Switzerland (coincidentally where Schrödinger developed his wave equation)
• Initially skeptical about commercial applications of his quantum error correction research
• Created "Decodoku" (a play on "decoder" and "Sudoku"), a puzzle game to gamify quantum error correction in 2016
• The same year IBM put a 5 qubit machine on the cloud, creating a paradigm shift in accessibility

Quantum Gaming Innovations

• Developed what may be the first quantum computing game
• Created "Hello Quantum," a mobile educational game
• Developed "Quantum Blur," a tool that encodes images in quantum states, allowing users to see how quantum gates affect images
• Used quantum computing for procedural generation in games, including terrain generation for Minecraft-like environments

Quantum Art and Creativity

• Collaborated with a classical painter who has used Quantum Blur as his main artistic tool for five years
• Explored using quantum computing for music generation
• Investigated language generation using the DiscoCat framework

Moth Quantum

• James joined Moth Quantum as Chief Science Officer
• The company focuses on bringing quantum computing to creative industries
• Their approach recognizes that in creative fields, "usefulness" can mean bringing something unique rather than just superior performance
• Aims to build expertise with current quantum technologies to be ready when fault tolerance enables quantum advantage
• At the beginning of May, 2025, Moth collaborated with musical artist ILA on a project called "Infinite Remix," using quantum computing in the creation of an exciting new musical creation tool.

Introduction:
In this milestone 50th episode of The New Quantum Era, your host Sebastian Hassinger welcomes Dr. Anna Grassellino, a leading figure in quantum information science and the director of the Superconducting Quantum Materials and Systems Center at Fermilab, or SQMS. Dr. Grassellino discusses the center’s mission to advance quantum computing and quantum sensing through innovations in superconducting materials and devices. The conversation explores the intersection of quantum hardware development, high energy physics applications, and the collaborative efforts driving progress in the field. We recorded our conversation at the APS 2025 Global Summit with assistance from the American Physical Society and from Quantum Machines, Inc.

Main Topics Discussed:

• The vision and mission of the Superconducting Quantum Materials and Systems (SQMS) Center, including its role in the Department of Energy’s National Quantum Initiative and its focus on developing quantum systems with superior performance for scientific and technological applications.
• Advances in superconducting quantum hardware, particularly the use of high-quality superconducting radio frequency (SRF) cavities and their integration with two-dimensional superconducting circuits to enhance qubit coherence and scalability.
• Key technical challenges in scaling up quantum systems, such as mitigating decoherence, improving materials, and developing large-scale cryogenic platforms for quantum experiments.
• The importance of interdisciplinary collaboration between quantum engineers, materials scientists, and high energy physicists to achieve breakthroughs in quantum technology.
• Future directions for the SQMS Center, including the pursuit of quantum advantage in high energy physics algorithms, quantum sensing, and the development of robust error correction strategies.

Notable Papers from Fermi’s SQMS Center:

• Quantum computing hardware for HEP algorithms and sensing (arXiv:2204.08605) – Overview of SQMS’s approach to quantum hardware for high energy physics applications, including architectures and error correction.
• A large millikelvin platform at Fermilab for quantum computing applications (arXiv:2108.10816) – Description of the design and goals of a large-scale cryogenic platform for hosting advanced quantum devices at millikelvin temperatures.
• Searches for New Particles, Dark Matter, and Gravitational Waves
• Additional recent preprints and publications from SQMS can be found on the SQMS Center’s publications page, including work on nonlinear quantum mechanics bounds, materials for quantum devices, and quantum error correction strategies.