DECODE QUANTUM

• [DECODE Quantum] Meeting with Chris Langer - Quantinuum

  Welcome to the 80th episode of the Decode Quantum podcast series. We are this time with Chris Langer from Quantinuum. This is one of the leading companies using trapped ions for the creation of quantum computers. Our guest Chris Langer is a Fellow at Quantinuum. He is their chair of the Technical Board and an advisor to the President and COO. Chris has a PhD in physics obtained in 2006 at the University of Colorado on trapped ions quantum computing under the supervision of David Wineland, Nobel laureate in physics in 2012, who was a guest of this very podcast in July 2024. Chris is a key contributor to the development of Quantinuum’s hardware. Before joining Quantinuum (which was then initially Honeywell Quantum Systems) in 2016, Chris worked for 10 years at Lockheed Martin on various projects in the aerospace domain.  

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• [DECODE Quantum] Meeting with Nick Farina & Johannes Pollanen - EeroQ

  Welcome to the 79th episode of “Decode Quantum”. We continue our “international episodes”, this times with the cofounders of the US startup EeroQ, Nick Farina and Johannes Pollanen, which aims to create qubits with electron spins, electrons being shielded from controlling electronic circuits by a layer of superfluid helium. This is the only company doing this. Nick Farina is the CEO and co-founder of EeroQ in 2017. Beforehand, he worked as an business angel investor, and an entrepreneur, launching multiple tech startups (GiftedHire for online job search, Voltage Digital a digital agency, JetZet providing itinerary management tools to business travelers). He’s the one bringing business acumen to the company. He is also a Quantum Computing Governance Member at the World Economic Forum since 2021. In 2000-2003, he was a caddie at a golf club (Biltmore Country Club) where he spent summers watching people cheat at golf and lament their losses in tech stocks. Johannes Pollanen is a co-founder and the Chief Science Officer of EeroQ. He is a researcher from Michigan State University (MSU) where he holds the Cowen chair of Distinguished Chair in Experimental Physics. He is also Associate Director of the MSU Center for Quantum Computing Science and Engineering. He runs the Laboratory for Hybrid Quantum Systems, which is focused on hybrid quantum technologies involving superconducting qubits, superfluids, trapped electrons, and other condensed matter systems. He developed the EeroQ electrons on superfluid helium architecture. He did his PhD at Northwestern University with Bill Halperin and contributed to the discovery of new quantum phases in superfluid helium-3, which influenced his later work in designing quantum computing platforms. He then was a post-doc at Caltech, with Jim Eisenstein, working on exotic many-body states in ultra-clean semiconductor systems.And as usual the transcript : https://www.oezratty.net/wordpress/2025/decode-quantum-with-nick-farina-and-johannes-pollanen-from-eeroq

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• [DECODE Quantum] Meeting with Sebastian Weidt - Universal Quantum

  Welcome to the 78th episode of Decode Quantum, where we continue to travel around the world. We are now in the UK with Sebastian Weidt, the founder and CEO of Universal Quantum, a startup creating scalable trapped-ions quantum computers. Sebastian Weidt is the CEO and co-founder of Universal Quantum since 2019, when the company was created. He is also a professor of quantum computing and entrepreneurship at the University of Sussex, which is in Brighton, south of London, near the Channel. He was a lecturer on quantum technology at this university. He was a postdoc research fellow at the same university between 2013 and 2015, and since 2015, a senior scientist in the trapped-ion group led by Winfried Hensinger.Transcrit and details : https://www.oezratty.net/wordpress/2024/decode-quantum-with-sebastian-weidt-from-universal-quantum 

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• [DECODE Quantum] Meeting with John Levy & Oleg Mukhanov - Seeqc

  Welcome to the 77th episode of “Decode Quantum”. We continue our “international episodes”, this times with the cofounders of the US startup SEEQC,John Levy (CEO) and Oleg Mukhanov (CTO), who are creating superconducting control electronic circuits for solid state qubits. They are the only company in that field. We had a chance to meet our two guests in Elmsford in February this year and visit their lab and cleanroom. John Levy is the CEO and cofounder of SEEQC in 2019. Beforehand, he was the chairman of Hypres, the company that spun-out SEEQC for reasons he’ll explain later. He was involved in various startups, like goTenna, and BioLite. He has been an investor and executive in the tech industry, having co-founded and led the tech practice at the venture capital firm L Capital Partners where he served on boards of over twelve tech companies. John took 3 companies public and oversaw numerous M&A transactions. During the 1990’s he co-founded the computer vision company ePlanet which spun out of Interval Research, sponsored by Paul Allen, and ran the company for Intel, its main investor.  John is a graduate of the Harvard Business School. Oleg Mukhanov, is a cofounder and the CTO of SEEQC. He was before the CTO of Hypres since 1991, where he led developments in superconducting electronics. Oleg is a co-inventor of the Rapid Single Flux Quantum (RSFQ) technology, a superconducting circuit used for high-speed, energy-efficient computation useful for both classical and quantum processors. He did his PhD in Russia with Konstantin Likharev in the late 1980s, at Lomonosov Moscow State University (MSU), before moving to the US at the end of the USSR.

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• [DECODE Quantum] with Caroline Tornow, Francesca Pietracaprina, Yaroslav Herasymenko and Adam Shaw

  Welcome to the 76th episode of Decode Quantum. In our series of episodes recorded in Lindau where dozens of physics Nobel laureates meet with young scientists, we picked a few of them who are specialized in the broad field of quantum computing to head their thoughts about it, Caroline Tornow, Francesca Pietracaprina, Yaroslav Herasymenko and Adam Shaw. This podcast was recorded on July 1st, 2024, in Lindau, Germany during the Lindau Nobel Laureate Meetings 2024 with Fanny Bouton (OVHcloud) and Olivier Ezratty.Caroline Tornow is from ETH Zurich and just started a PhD in the Condensed Matter Theory and Metamaterials group. Beforehand, during her Master’s in Quantum Engineering at ETH, she worked in the Quantum Computational Science group at IBM Research Zurich and the Quantum Information Theory group at ETH. She therefore has some ideas on where we are with regards to the maturity of quantum computing in general, and, we would guess, also with superconducting qubits. Francesca Pietracaprina is a software engineer and researcher at Algorithmiq, a quantum computing software company based in Helsinki Finland. She did her PhD in between statistical and quantum physics and two postdocs in Rome and Toulouse where she focused on localization in quantum systems, a phenomenon that involves a breakdown on thermalization in presence of strong disorder. She then obtained a Marie Curie fellowship with which she moved to Dublin and continued her research on quantum disordered systems and quantum thermodynamics. At Algorithmiq, she is focused on creating full stack solutions for drug discovery and simulation. Yaroslav Herasymenko is a post-doc at TU Delft and at QuSoft in Amsterdam. He did his PhD at the University of Leiden. He currently works on the development of fermionic (in other words, of electrons) quantum simulations.  He started to work in condensed matter theory and then became interested in math and computing methods of condensed matter. It drove him to the field of quantum computing. He is a native from Kyiv, Ukraine. Adam Shaw has a PhD in physics in 2024 from Caltech, where he studied quantum computing with Rydberg atom arrays. He is part of the team who broke recent records with the control of 6,100 atoms using lasers, working on both experimental and theoretical aspects to these systems, working on gate fidelities, large scale quantum simulation, and showing how certain quantum errors can be erased. He is now a post-doc at Stanford, still working on cold-atoms computing.More details and transcript on : https://www.oezratty.net/wordpress/decode-quantum-with-young-scientists-at-lindau

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