The Need, Promise, and Reality of Quantum Computing by Jason Roell

department of energy

Aruba will offer a “plug and play” secure access service edge with the portfolio from HPE’s acquisition of security service edge vendor Axis Security. In addition, the Finnish start-up “IQM” is launching a superconducting platform – now one of the best-funded European companies in this field. This is exponential growth because the exponent, or power, increases as we go from square to square. One of the most important features of exponential growth is that, while it starts off slowly, it can result in enormous quantities fairly quickly — often in a way that is shocking.

All existing sensitive data will have to be re-encrypted, and new infrastructure will need to be built to support new cryptographic algorithms. A significant focus is on the scalability of quantum computing technology, which will help shape our digital future. With know-how and competencies in relevant areas from chip design to materials, production and software, Infineon will advance the development of quantum computing. Quantum computers and classical computers process information differently. A quantum computer uses qubits to run multidimensional quantum algorithms. The basic unit of information in quantum computing is the qubit, similar to the bit in traditional digital electronics.

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Quantum parallelism refers to the ability of quantum computers to evaluate a function for multiple input values simultaneously. This can be achieved by preparing a quantum system in a superposition of input states, and applying a unitary transformation that encodes the function to be evaluated. The resulting state encodes the function’s output values for all input values in the superposition, allowing for the computation of multiple outputs simultaneously. The QUTAC use case portfolio will serve as the basis for selecting future reference use cases.

  • During the COVID-19 pandemic, the scientific community struggled to identify a computing tool that could model and deactivate a single protein in lesser time.
  • Partners are committed to contributing applications, data, technological and business knowledge to the emergent ecosystem .
  • Thanks to optimizing logistics strategies, which can be developed as quantum computers capture and analyze more data.
  • A qubit places the quantum information that it contains into a state of superposition.
  • Classical computing relies on principles expressed by Boolean algebra, usually operating on a logic gate principle.

Several such bits that reveal a combination of ones and zeroes are the fundamental units of every website, app, or photograph we use or access. Look out for quantum computing to have a large effect on AI in the coming decades. Quantum technology is advantageous for materials science, pharmaceutical research, subatomic physics, and logistics.

1 Application overview

“Groups of qubits in superposition can create complex, multidimensional computational spaces. Complex problems can be represented in new ways in these spaces.” Classical computers today employ a stream of electrical impulses in a binary manner to encode information in bits. This restricts their processing ability, compared to quantum computing. This is what I’ve come to think of as the fundamental misstep of quantum computing popularization, the one that leads to all the rest.

Through quantum computers, we could obtain a more specific and personalized solution to adapt, solve, or create actions that help us tackle current issues or bottlenecks and benefit us in the long term. A real-life example of using quantum computing in your daily business operations could be to identify how inefficient your production, delivery of products, or even your staff scheduling is from your available data. The use of quantum computing to solve production inefficiencies has long been a subject of debate because many people don’t understand how they work. Others are still skeptical of its true potential and what it promises, as it sounds too good to be true.


When we know the origin of our businesses’ obstacles or problems, we can define better strategies and action plans to eradicate them and thus improve their performance. For this reason, quantum computers can be a beneficial asset that allows us to enhance our business. Johannes Oberreuter, a Data Scientist and quantum computing expert, explains how quantum computing allows business problems to be presented in a structured way, similar to a wish list, containing all the complexities. A so-called objective function encodes all of them, which solves them in a structured manner. For example, it can help companies find new ways to innovate and create new products, similar to how it can help find new catalysts or molecules.

Since qubits aren’t digital bits of data, they can’t benefit from conventional error correction solutions used by classical computers. The value-chain of QUTAC members comprises complex optimization, machine learning, and simulation challenges that are likely to benefit from advances in quantum computing, providing significant business impact. A wide variety of problems with impact across diverse industries will provide guidance to software and hardware development. QUTAC will move the emerging quantum computing ecosystem forward, supporting the ambitious goals of the German government. It comprises ten companies from four sectors with the mission to contribute an industry perspective and focus on the development of the German and European quantum ecosystems. Our members share the need to NEAR act due to the potentially disruptive impact of quantum computing on all aspects of our business and value-chains.

About this article

Our roadmapis a clear, detailed plan to importance of quantum computing quantum processors, overcome the scaling problem, and build the hardware necessary for quantum advantage. Be that as it may, recent years have begun putting quantum computing at the center of the scene. That’s because we’re reaching certain physical and technological limitations in our traditional transistor-based computing systems. So, in order to keep enhancing our computers, we need to change the very core of computing. Today’s climate models used to make weather forecasts aren’t as accurate as they need to be.


To put this in perspective, in 2021, researchers from the computing company D-Wave showed how a quantum computer could solve a decades-old problem three million times faster than a normal computer. Consider genomic technologies, which have provided transformative insights into microbiology—for example, identifying genetic cardiac disorders and offering great potential for real-time detection and surveillance of epidemics. Every time researchers map a DNA sequence to a reference genome, they must perform a massive search on classical computers. Grover’s algorithm could greatly accelerate the speed of these searches, but they can be run only on a functional quantum computer. Optimization algorithms benefit companies in a wide range of other industries.

Business Benefits of Quantum Computing

Specifically, they were able to reduce the computation time of an optimization task down from 25 hours to only 2 minutes. In the same year, the start-up “Alpine Quantum Technologies” was founded in Innsbruck around the quantum computing pioneers Reiner Blatt and Peter Zoller, in order to bring ion trap-based quantum computers to market maturity. For decades, the computer within your device with which you are reading this article right now was only a theoretical assumption. And the worldwide race to develop the most efficient computer is still in full swing.

What are the benefits of quantum computing?

The main advantage of quantum computing is the ability to handle complex problem solving. By harnessing the quantum property of superposition, qubits can exist in an infinite yet contained number of states: 0, 1, or any combination of the two.

Until now, ecosystem development has been held back by traditional, rigid collaboration models in a complex stakeholder landscape, particularly between industry and research institutions. A highly intertwined technology stack and multidimensional governmental funding mechanisms create a complicated ecosystem of institutions and initiatives with many inter-dependencies and overhead. The current state makes partner contracting/sourcing a complex and lengthy process. The traveling salesman problem aims to identify the shortest path between a set of nodes, relevant on multiple scales for inbound, intra-plant and outbound logistics.

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This paper presents an initial set of cross-industry applications of quantum computing, which will provide the foundation for establishing industry reference problems. Based on these reference use cases we will establish benchmarks, which we hope will spark horizontal and vertical collaboration . We actively evaluate engagement models with QuIC and other industry consortia . By collaborating on community standards, e.g., a glossary, access interfaces, high-level business abstraction, we will lower the entry barriers . As a business owner we may recognize that there is huge potential in the development of quantum algorithms. They have to be specially designed for specific problems, so there is an increasing need for further education in that area.


IoT device, wearable, gadget, and sensor is interconnected to a computing network, thereby contributing to the generated data. According to Domo, computing devices generate around 2.5 quintillion bytes of data daily.

Quantum computing uses Qubits instead of Bits, which can be in multiple states simultaneously. This so-called superposition state means the qubit exists simultaneously in both 1 and 0 states, which is different from a conventional computer that uses transistors, which can only be 1 or 0. Unlocking nature’s secrets was the first use of quantum computing envisioned by the field’s pioneers, and it remains the most exciting one.

  • Computing based on quantum phenomena configured to simulate other quantum phenomena, however, would not be subject to the same bottlenecks.
  • According to Nielsen, this part of the quantum-parallelism story is roughly right.
  • As the number of items grows, the number of possible arrangements grows exponentially.
  • Because “classical” physicists thought, that microscopic particles will behave in the same way as a bullet would.
  • This can become especially useful for complex digital twins when you want to simulate, for example, the complex behavior of planet Earth using a digital twin or analyzing weather patterns.

A 2020 study argues that ionizing radiation such as cosmic rays can nevertheless cause certain https://www.beaxy.com/ to decohere within milliseconds. While quantum computing promises to help businesses solve problems that are beyond the reach and speed of conventional high-performance computers, use cases are largely experimental and hypothetical at this early stage. If a physical qubit is not sufficiently isolated from its environment, it suffers from quantum decoherence, introducing noise into calculations. National governments have invested heavily in experimental research that aims to develop scalable qubits with longer coherence times and lower error rates. Two of the most promising technologies are superconductors and ion traps . It’s difficult to predict when quantum computers will become easily accessible and available, though the first room-temperature quantum computing is already developed.

Investment dollars are pouring in, and quantum-computing start-ups are proliferating. Peter Shor showed in 1994 that a scalable quantum computer would be able to break RSA encryption. Scientific terms can be confusing.DOE Explainsoffers straightforward explanations of key words and concepts in fundamental science. It also describes how these concepts apply to the work that the Department of Energy’s Office of Science conducts as it helps the United States excel in research across the scientific spectrum.


Sorting out the ideal routes for a few hundred tankers in a global shipping network is complex too. Each one of these positions is called a bit, and their combinations make up all the files and programs you use on a computer. If a signal passes through the logical gate of the transistor, it becomes a bit 1, if it doesn’t, it’s a 0.

A solid understanding of quantum applications today is crucial for positioning a company to reap the benefits—and avoid potential catastrophe—during the next decade. There are myriad technical challenges to developing scalable and reliable quantum computers that will be commercially transformative. This type of development will require enormous investment, which is likely to come from both public and private sectors.

March 23, 2023

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