The Quantum Divide

Dan Holme and Stephen DiAdamo

The Quantum Divide is a podcast focussing on quantum technology, with a slant towards networking. Do you work in the IT industry, want to learn about quantum technologies, and are daunted by the extraordinarily high bar for deep comprehension? Yeah, me too. Join our podcast to hear interesting talks about quantum technology concepts, and fascinating interviews from individuals in the industry. (Opinions expressed by Steve & Dan belong only to them, and not their employer) read less
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Episodes

Quantum bandwidth and converters, with Daniel Brau, MiraEx.
Mar 14 2024
Quantum bandwidth and converters, with Daniel Brau, MiraEx.
In Episode 21 of the podcast, Dan delves into the innovative world of quantum computing and photonic sensing with guest Daniel Brau, CEO of MiraEx. MiraEx, a startup born from EPFL in Lausanne, Switzerland, specializes in quantum transducers, converters, and repeaters, aiming to bridge the gap between microwave and optical frequencies for quantum computing, sensing, and networking. Daniel shares insights into MiraEx's focus on developing hardware for quantum LANs, emphasizing the importance of maintaining quantum coherence and leveraging their technology for applications beyond superconducting quantum computers, including optical communications and enhanced sensing capabilities.The episode further explores the challenges and technical intricacies of creating efficient, broadband quantum transducers and converters. Daniel explains how MiraEx's platform facilitates direct transduction across wide frequency ranges, offering the potential for connecting various quantum computing modalities and enhancing communication capacity. The discussion touches on the necessity of quantum error correction techniques and the company's efforts to align their developments with broader quantum networking protocols and standards, highlighting the ongoing collaboration with the IBM Q network.Dan and Daniel also discuss the future of quantum networking, including the potential integration of novel technologies like hollow core fibers and the importance of building a versatile team to tackle the multifaceted challenges of quantum technology. MiraEx's ambition to expand its footprint in the US and its commitment to leveraging the Swiss quantum ecosystem underline the global and collaborative effort required to advance quantum networking. The episode emphasizes the nascent state of quantum technology and the exciting prospects for innovation and integration across various domains.
Quantum transduction and piezo-optomechanics, with Rob Stockill, QphoX.
Feb 27 2024
Quantum transduction and piezo-optomechanics, with Rob Stockill, QphoX.
Episode Highlights:- Overview of QphoX' role and contributions in the rapidly advancing quantum technology field, especially quantum transducers. - A look at quantum information technology transduction led by Robert Stockill, QphoX' CTO. - Focused discussion on recent advancements in quantum transducers, devices converting optical and microwave photons. - Highlights of the creation of and rigorous testing of quantum transducers. - Explanation on the functionalities and potential uses of quantum transducers in various use cases. - Conversation about the future prospects and challenges in the field of quantum technology. - Rob Stockill's predictions and strategies for overcoming hurdles in quantum transducer development.QphoX show notes:The press release for our recent €8 Million investment round can be found here:https://www.eu-startups.com/2024/01/delft-based-qphox-raises-e8-million-to-to-scale-quantum-computers-beyond-proof-of-concept-systems/For keen listeners you can find a recent article qphox published in Nature Nanotechnology on the technology behind our quantum transducer:- You can find the published article here: https://www.nature.com/articles/s41565-023-01515-y- You can find a plain-language explainer of our work here: https://qphox.eu/nat_nano_231005- The open access pre-print is available here: https://arxiv.org/abs/2210.15702And the article where we demonstrated optical frequency readout of a superconducting qubit with Rigetti computing and qblox:https://arxiv.org/abs/2310.06026
Quantum Networking for Quantum Computing. An interview with Claire Le Gall.
Feb 6 2024
Quantum Networking for Quantum Computing. An interview with Claire Le Gall.
Claire Le Gall from Nu Quantum joins us this week to discuss quantum networking. She delves into her academic history and Nu Quantum's mission in enhancing quantum computer scalability. The episode covers collaborations with industry leaders, academic institutions, Nu Quantum's products, advancing optical hardware, some background on quantum dots, and the company's plans moving forward. **Chapter 1: Quantum Networking for Scalable Quantum Computers (0:00:12 - 14:00)** - Claire Le Gall's background in experimental physics and work on qubit control and entanglement. - Nu Quantum's focus on quantum networking to scale quantum computers. - Collaboration with Infection and Intercom on photon collection and optical hardware. **Chapter 2: Advantages and Challenges of Quantum Networking (0:14:17 - 22:17)** - The modular construction of quantum computers and the reduction of quantum error correction overhead. - The significance of qubit quality and the balance between fidelity and entanglement distillation. - Defining quantum networking in the context of various applications. **Chapter 3: Quantum Computing With Data Center Networking (0:22:18 - 35:29)** - The necessity of proximity for quantum processing units within data centers. - Role of quantum networking units and hardware in photon transfer between nodes. - The importance of heralding stations and preparation time in networking efficiency. **Chapter 4: Challenges and Advances in Quantum Networking (0:35:30 - 50:27)** - Controlling qubits and their interaction with the environment. - Comparative analysis of neutral atom qubits and solid-state systems. - Prospects of semiconductor quantum dots in generating indistinguishable photons for entanglement.
Quantum Communications Hub, UK. An interview with Tim Spiller.
Jan 22 2024
Quantum Communications Hub, UK. An interview with Tim Spiller.
Join us with Tim Spiller, currently Professor of Quantum Information Technologies at the University of York and Director of the UK Quantum Communications Hub. Tim walks us through his career journey, and provides an insider's look into the UK's strategic approach to quantum technology, revealing how a decade of significant government investment has propelled the field forward. With a career straddling both academia and industry, Tim offers a unique perspective on the evolution from theoretical physics to groundbreaking quantum computing algorithms.In this discussion, we uncover the latest on the UK's national quantum program and its expansion, detailing the strategic refresh that includes a budget boost and the creation of new hubs to foster technological advancements planned for the end of 2024. Hear about the global quantum research landscape where the UK, despite not having the financial heft of the US or China, is seen as a trailblazer in coordinating academic and industrial synergies. We also discuss the pivotal role that the quantum communication hubs have played in nurturing the growth of startups and driving innovations in quantum key distribution and random number generation.Tune in as we explore the exciting realm of quantum technology applications, from the commercial viability of quantum key distribution in handheld devices to the Controlled SWAP test for quantum entanglement, shedding light on a potential future of quantum networking. Tim shares his thoughts on the anticipated developments in the UK's quantum program, the importance of quantum memory for large-scale quantum computing, and the critical need for global standardisation in the field. As Tim prepares to pass the baton of leadership, he reflects on the significance of continuous learning and training to support the burgeoning quantum industry and the role of outreach in promoting these cutting-edge technologies.(00:11) - UK's Quantum Technology Strategy and Achievements(09:29) - UK National Quantum Program Expansion(15:42) - Quantum Communications and Startup Evolution(32:52) - Quantum Communications(42:05) - Potential Applications of Quantum Technology(51:34) - Quantum Computing and Entanglement Distribution(01:07:08) - Quantum Computing and Memory Development(01:12:57) - Transitioning Leadership in the Quantum Communications Hub
Quantum London. An interview with Andrew Lord.
Jan 10 2024
Quantum London. An interview with Andrew Lord.
This week, my esteemed guest is Andrew Lord from BT. Andrew recounts his transition from a fresh Oxford physics graduate to becoming an influential figure in the UK's optical and quantum industry. Our conversation takes us from the roots of subsea telephony to the cutting-edge developments in fiber optics, including the transformative impacts of WDM and the coherent revolution. Andrew sheds light on the ongoing optical research at BT and shares his insights on the applications of fiber optics in the renewed exploration of quantum technologies. In this episode, we navigate some complexities of Quantum Key Distribution (QKD) and its role in building scalable quantum networks. Andrew walks us through the groundbreaking trial in the Bristol and the advancements made during the subsequent London trial with Toshiba. The discussion unveils the architecture needed to efficiently connect customers and the integration challenges of quantum equipment with existing telecom frameworks. Hear how practical key management and security considerations come into play when servicing multiple clients and how pioneering companies like EY and HSBC are pushing the boundaries towards commercial quantum network viability. Rounding off, Andrew and I tackle the hurdles of quantum network implementation, focusing on the implications of coexisting quantum and classical channels within the same fiber. We delve into the nuances of fiber performance, the impact of reflections and Raman scattering, and wavelength selection. We close with a look ahead at the future of quantum security, where QKD meets the demands of an ever-evolving cyber threat landscape. Tune in as we discuss the potential harmonious coexistence of Post-Quantum Cryptography with QKD to safeguard the most sensitive data at the core of our networks.(01:20 - 04:28) Andrew and BT's Background in Quantum  (188 Seconds)(15:00 - 16:49) Scaling a Quantum Network for QKD (109 Seconds)(24:30 - 25:06) One-Time Pair Encryption With QKD Keys (36 Seconds) (28:53 - 30:48) Coexistence Challenges in Quantum Networks (115 Seconds) (33:56 - 34:59) Options for Customer Network Encryption (63 Seconds) (38:34 - 39:06) Standards and Assurance in QKD (32 Seconds) (45:11 - 46:30) Future Market for Quantum Key Distribution (80 Seconds) (49:10 - 51:03) Enhancing QKD With Satellite Technology (113 Seconds) (52:12 - 54:09) Exploring the Future of Quantum Communications (116 Seconds)
Quantum Key Distribution with Entanglement. An interview with Kevin Fuechsel.
Dec 8 2023
Quantum Key Distribution with Entanglement. An interview with Kevin Fuechsel.
Join us for a riveting discussion with Kevin Fuechsel, CEO of Quantum Optics Jena, as we journey through his unconventional path in the world of quantum communications. Starting from his background in semiconductor and photonics to his current ventures in quantum communication, Kevin provides an insightful narrative. His story of founding his company, securing investors, and overcoming the challenges of the quantum field, provides a unique perspective into the journey of a CEO in the quantum industry.The discussion extends to exploring quantum communication and entanglement-based QKD, as well as the complex process of creating a 24/7 quantum entanglement system. We also examine the story of Carl Zeiss and the development of his company's optical instruments, which eventually led to the establishment of a thriving optics and photonics community in Jena, Germany. Listen in as we break down the importance of quantum memories for effective photon storage in quantum communication, and the future of quantum repeater technology in overcoming distance limitations.In the final chapters, we shift our focus to the future of quantum communication and quantum key distribution (QKD) with insights from Kevin. Our exploration of quantum networking and market perspectives presents an overview of the current state and future possibilities of QKD technology. From the potential of QKD in longer distance communication to the limitations faced by QKD startups in the US, we unpack the complexities of QKD and the strides being made in the field. ________________________________________________________________________________________________________________________(0:00:12) - Quantum Optics JenaCEO Kevin Fuechsel shares his unconventional path to quantum technology, founding Quantum Optics Jena and securing investors.(0:11:49) - Quantum Communication and Entanglement-Based QKDThe trial and error that led to Zeiss' development of microscopes, all the way through to Quantum Optics using entanglement for secure quantum communication.(0:19:50) - 24/7 Quantum System Challenges and ProcessQOJ's complexities in creating a 24/7 quantum entanglement system, including entanglement generation, timing, clock synchronization, and polarization compensation.(0:26:51) - Challenges and Possibilities in Quantum CommunicationThe potential use of repeater technology for longer distances.(0:33:55) - The Future of Quantum CommunicationThe potential for QKD in longer distance communication, building trusted node networks, and the importance of standardization and certification in implementing QKD systems.(0:41:32) - Exploring Quantum Networking and Market PerspectivesThe QKD potential, challenges, global market, and limitations for US startups due to NSA and NIST.
Quantum networking at AWS. An interview with Juan Moreno.
Nov 14 2023
Quantum networking at AWS. An interview with Juan Moreno.
Join us on the Quantum Divide as we chat with Juan Moreno from AWS. In this enlightening conversation, we explore Juan's unconventional journey to quantum computing and the various quantum services AWS offers. He shares his insights about the superconducting quantum computer being developed at the Center for Quantum Computing and talks about his work at the Quantum Solutions Lab and the Center for Quantum Networking. Listen in as we uncover the potential of quantum technology becoming accessible to more customers.We further venture into the realms of Quantum Key Distribution (QKD) and post quantum cryptography, discussing the physical infrastructure needed to support these on the AWS cloud. Juan sheds light on the hybrid model combining QKD and post quantum cryptography, creating an extra layer of security. AWS's edge nodes fitting into the offering make for a compelling discussion. He also shares AWS's initiatives to create a centralized key management application in the cloud in collaboration with partners. This promises an easy integration of key metrics and visualization layers. This episode is packed with insights into the future of quantum networking and QKD, don't miss out!--------- EPISODE CHAPTERS WITH FULL SUMMARIES ---------(0:00:13) - Quantum Networking With AWS (15 Minutes)Juan Moreno from AWS joins us to discuss his journey to quantum computing and the various services AWS offers in the quantum space. We discuss his background in physics, Amazon Braket, and the Quantum Solutions Lab and Center for Quantum Networking. We also talk about quantum computers, particularly the superconducting quantum computer being developed at the Center for Quantum Computing. Juan's work bridging the gap between academia and industry provides us insight into the potential for quantum technology to become accessible to more and more customers.(0:14:47) - Quantum Key Distribution and AWS Integration (14 Minutes)Juan Moreno from AWS is helping to bring quantum networking into the AWS cloud, including the physical infrastructure needed to support QKD and post quantum cryptography. The hybrid model combining QKD and post quantum cryptography creates an extra layer of security. AWS's edge nodes can also fit into the offering.(0:28:26) - Quantum Key Distribution and Management (14 Minutes)We explore the various implementations, protocols, and devices of quantum key distribution (QKD). Juan Moreno from AWS shares his expertise on the trade-offs between key rates and noise tolerance, as well as the measure device independent option. We also discuss how AWS is working with partners to create a centralized key management application in the cloud, allowing for key metrics and visualization layers to be easily integrated.-------------------------------------------------------------------------------------------------------------------The Center for Quantum Networking at AWShttps://aws.amazon.com/blogs/quantum-computing/announcing-the-aws-center-for-quantum-networking/ AWS edge devices integration in metropolitan QKD networks, trials done in Singapore and London: https://aws.amazon.com/blogs/quantum-computing/implementing-a-quantum-secured-network-in-a-metropolitan-area/https://www.toshiba.eu/quantum/news/hsbc-becomes-first-bank-to-join-the-uks-pioneering-commercial-quantum-secure-metro-network/ AWS partnerships:SpeQtral does QKD integration of AWS edge devices for secure data transfer:https://partners.amazonaws.com/partners/0018W00002EKaayQAD/SpeQtral%20Pte%20LtdLuxQuanta does QKD telemetry integration on AWS:https://partners.amazonaws.com/partners/0018W00002FcK24QAF/LuxQuanta%20Technologies%20S.LJuan's personal blog:https://quantumguru.medium.com/
Quantum consulting. An interview with Shreyas Ramesh.
Nov 6 2023
Quantum consulting. An interview with Shreyas Ramesh.
In this engaging conversation, we're joined by Shreyas Ramesh, Global Lead of NextGen Computing in Accenture's technology incubation team, to examine the strategic implementation of quantum technology in businesses. We explore Accenture's Quantum Foundry offering, a service providing strategy, execution capabilities, technologies, ecosystem partnerships, and methods that help businesses become quantum ready. From advisory to identifying what's relevant for the customer, listen in as we take a closer look at Accenture's vision of being vendor agnostic and problem-focused. Then, we shift our focus to investing in quantum computing use cases, even if the roadmap to a quantum advantage is not yet clear. Using examples from the telecommunications, chemistry and banking industries, we consider how generative applications, classical computations, and quantum random number generators can enhance devices. Accenture – Quantum Computing Serviceshttps://www.accenture.com/us-en/services/technology/quantum-computing-services--------- EPISODE CHAPTERS WITH FULL SUMMARIES ---------(0:00:12) - Quantum Computing Implementation Strategy in Businesses (15 Minutes)We explore the business implementation of quantum technology and Accenture's Quantum Foundry offering. We discuss the strategy, execution capabilities, technologies, ecosystem partnerships, and methods that Accenture provides to help companies become quantum ready. We also discuss the process of advisory and identifying what's relevant for the customer, as well as the methodology that Accenture follows to ensure their vision of being vendor agnostic and problem focused is carried out.(0:15:31) - Investing in Quantum Computing Use Cases (4 Minutes)Why are clients investing in quantum technology, even if there is not a clear map ahead to a quantum advantage? We analyze the idea of a typical sharpness in terms of business value and feasibility, and consider how generative applications, classical computations, and quantum random number generators can be used to make devices better. Examples from the telecommunications industry and banking are used to illustrate how these technologies can be deployed in a permissible manner. The importance of readiness when it comes to customer references is also touched on.(0:19:58) - Quantum Computing in Financial Applications (9 Minutes)We discuss the use of quantum technology, simulations, and machine learning to tackle complex problems in the finance and chemistry sectors. We explore how Accenture's Quantum Foundry helped a large French insurer optimize their insurance portfolio, and how a two-year collaboration with the Irish Center for High End Computing enabled the simulation of PFAS molecules. We also analyze how quantum machine learning algorithms can be used for fraud detection in banking, and how the use of quantum support vector machines can provide greater training accuracy and lower false positives.(0:28:29) - Exploring Quantum Sensing and Detection (6 Minutes)From use cases in quantum sensing to applications in derivatives pricing and quantum machine learning (QML), we explore the potential of quantum technology and the challenges of achieving a quantum advantage. We discuss the use of superconducting nanowires in detection, and the investment of governments in quantum sensing. We analyze the possibilities of quantum communications and examine the implications of quantum-enabled decision making for businesses.(0:34:05) - Quantum Networking and Cryptography Trends (11 Minutes)Accenture's clients are increasingly turning to quantum networks for cryptography, risk management, and security. We look at the crypto agility accelerators they use to quickly respond to changes in the security landscape, the importance of having the right tools in place to respond to advanced persistent threats, and the need to prioritize and track remediation activities in order to ensure security. Additionally, we explore the use of crypto agility toolkits and SDKs for risk managers to better understand and manage their security risks.
Blind quantum computing. An interview with Harold Ollivier.
Oct 29 2023
Blind quantum computing. An interview with Harold Ollivier.
Join us as we explore the intricate world of quantum technology with our guest, Harold Ollivier, from Inria, a public research institute in France. Harold gives us an insightful look into his work on verification of quantum computation, error correction, and error mitigation. We also get a unique perspective on Inria's strong focus on computer science and its important contributions to various aspects within the quantum ecosystem. We tackle the challenges of developing quantum technologies and their impact on the market and user needs. Discover the current state of quantum computing and how companies are grappling with moving their hardware to specialized data centers. Learn about the complexities of installing a quantum computer in a data center, including cooling system requirements and potential vibration disruptions. We further examine the necessity of physical considerations for data centers hosting quantum machines, the practicality of dilution fridge technologies, and the relationship between these topics and privacy and security. Hear about the growing trend of privacy-preserving laws, the evolution of classical cryptography, and the French banking regulator's exploration of solutions for stress tests on the banking system. Lastly, we discuss the verification methodology for quantum computing and how it can ensure that computations are not tampered with, even without full knowledge of the computation details. Tune in for this and more on our enlightening journey through quantum technology.--------- EPISODE CHAPTERS WITH FULL SUMMARIES ---------(0:00:12) - Quantum Technology Research in France (18 Minutes)We discuss the divide between classical IT and quantum technology and the fact that these two domains need to work closely together. We are joined by Harold Olivier Right from Inria, a public research institute in France, to talk about his research on verification of quantum computation and its implications for error correction and error mitigation. We learn about Inria's focus on computer science and their work on various topics within the quantum ecosystem. We also explore the link between INRIA and the French national quantum strategy, and the strong collaborations with startups and companies.(0:17:45) - Challenges of Developing Quantum Technologies (4 Minutes)We explore the challenges of developing quantum technologies and how it affects the market and user needs. We look at the current state of quantum computing and how companies are dealing with the need to move their hardware to specialized data centers. We discuss the complications of bringing a quantum computer to a data center, including the cooling system requirements and the vibration that can disrupt the machine. We discuss how public money is used to research and explore these issues and how this can benefit the private sector.(0:21:53) - Quantum Machines and Remote Execution (17 Minutes)We discuss the need for physical aspects to be considered for data centers to host quantum machines, the practicality of dilution fridge technologies, the abundance of coaching, and the link between this topic and privacy and security. We then explore the growing trend of privacy-preserving laws, the evolution of classical cryptography, and the French banking regulator's exploration of solutions for stress tests on the banking system. Finally, we look at the requirement for developing a healthy quantum ecosystem and how it affects the market and user needs.(0:38:41) - Approaches and Challenges in Quantum Networking (13 Minutes)We explore the various approaches to sending qubits from a client to a server and the advances being made in quantum networking. We examine the possibilities of obfuscating the instructions sent classically, the pros and cons of these approaches, and the research and development being done on a quantum long-range backbone. We also discuss the quantum advantage in terms of space and the overhead needed to produce a secure qubit. Finally, we consider how to simplify protocols and bring them to a level where they can be implemented.(0:52:11) - Verification Methodology for Blind Computations (5 Minutes)I discuss the verification methodology for quantum computing and how it is possible to verify that a server is not tampering with a computation without knowing the full details of the computation. We look at how blind computation can be used to delegate a task to a server, and how it is possible to verify the server's results by providing known 'clipboard' computations and comparing the result. Technical considerations behind this methodology and the importance of proving that the class of clipboard computations is large enough to catch any malicious behaviour from the server are discussed. Finally, the implications of this approach for the future of quantum computing are considered.(0:56:47) - Quantum Networking (1 Minutes)We {discuss} the need for physical infrastructure to support quantum machines, the advances being made in quantum networking and the verification methods used to ensure secure communication between servers and clients. The challenges of developing quantum technologies and the impact this has on the market and user needs are also {considered}. Finally, we {reflect} on our conversation and consider the possibilities for the future.
Quantum for Finance - An Interview with Carmen Recio.
Sep 15 2023
Quantum for Finance - An Interview with Carmen Recio.
This week we are joined by Carmen Recio Valcarce, Quantum Computing Engineer at Moody's Analytics. We cover using quantum computing to solve and accelerate algorithms for the finance industry, Moody's new quantum benchmarking platform, and deep dive into some specific financial problem use cases.Carmen is a mathematician working on evaluating how quantum computing can disrupt the financial sector at Moody's Analytics. Thinking how to solve problems with the best algorithms and technology. Previously, development, education and research in Quantum Computing & Artificial Intelligence @ IBM Carmen's group in Moody's objective is to evaluate how quantum computing can disrupt our industry and Moody’s products in the market, evaluate the industry maturity, establish partnerships, and position Moody’s as a referent in the quantum computing sector for finance. The team creates proofs of concept and final applications that are embedded in the current classical products. Leverages our state-of-the-art financial models and our extensive datasets across the company and liaises with the different stakeholders for its productization. Moody’s Analytics Quantum Computing group is a recently created team that explores, researches, and implements quantum computing and communications solutions across the different organizational units of the company.Links from Carmen:Stephen Herbert: video of Steven Herbert explaining his paper Moody's linksLanding page http://moodys.com/quantumQuantum Computing in Financial Services: A Business Leader’s GuideUse-case reportsStrategic asset allocation/optimization – Our results are not published yet but this paper covers the topic of a TN approach https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.4.013006Recession predictionMonte Carlo - podcast and this paper3 resources about use cases in finance:https://arxiv.org/abs/2201.02773https://arxiv.org/abs/1807.03890https://www.nature.com/articles/s42254-023-00603-1