In this episode, Mira and Chris talk with Markus Müller, a member of ML4Q and Professor at RWTH Aachen University and Forschungszentrum Jülich. Markus, an expert in quantum error correction, explains its importance in building large-scale quantum computers. He has supported pioneering logical qubit experiments on various platforms, including ion traps and superconducting qubits. They also discuss his recent work on avoiding mid-circuit measurements, a technique that benefits certain architectures and chip designs.

Listen to the full podcast episode with Markus here or using your podcatcher. You can also download the transcript of the episode here.

00:00:00 Intro
00:01:06 Welcome Markus
00:01:35 Reflections on the early career experience
00:21:44 A deep dive into quantum error correction
00:44:02 Getting to the promised land of fault-tolerant quantum computing
00:50:20 About magic state preparation and injection
00:55:23 About code switching
00:57:23 What about decoding?
01:01:15 Discussing recent work on fault-tolerant resource optimized schemes
01:12:02 Outlook on future projects

Note: The episode was recorded back in March. The recent work discussed from 01:01:15 onwards is the paper titled “Measurement-Free Fault-Tolerant Quantum Error Correction in Near-Term Devices” a synopsis of which appeared on physics.org. Since the recording another work on the “Demonstration of fault-tolerant Steane quantum error correction” was published in PRX Quantum.

Previous ML4Q&A episodes: