These complex problems have so many potential solutions to check through that a traditional computer can take years to find the optimal solution. Here our approach can take over the non-topological part of the optimization by simulating and optimizing parametrized trial setups. Our team has now identified a new family of relevant applications for near-term quantum computers: The design of new quantum hardware itself. Alán Aspuru-Guzik, Thi Ha Kyaw, Tim Menke, Sukin Sim, Mario Krenn, and Jakob Kottmann. When someone asks about the many ways a drug can impact a cancer cell, for instance, or how to best control stop lights and direct cars to reduce traffic, there are many factors that need to be taken into account that traditional computers take a long time to sort through. We could envision an ion trap quantum computer designing a superconducting one or vice-versa. If you’re interested in learning more about quantum computers but the task of building one seems daunting… don’t worry. At face value, it looks like you just built an unnecessarily complicated, expensive, and fragile computer that uses the same 1’s-and-0’s of a classical computer. If your car behaved like an atom, it might only be able to go either 30 or 40 MPH and nothing in between. Because of this, you need to make measurements at less than a fraction of a degree above absolute zero (-460 ºF). A similar quantum-classical symbiosis is possible for superconducting circuits by combining the respective QCAD algorithm with automated design software that we developed previously. In addition, we use a quantum simulation technique called Suzuki-Trotter evolution to simulate the performance of gate operations on transmon circuits. Naturally, you first go 31 MPH, 32, 33, and so forth until reaching 40 MPH. For your security, we need to re-authenticate you. Can’t get enough science? When someone asks about the many ways a drug can impact a cancer cell, for instance, or how to best control stop lights and direct cars to reduce traffic, there are many factors that need to be taken into account that traditional computers take a long time to sort through. Since heat is a form of energy, heat can give your qubit unwanted energy that can erratically change the state of your qubit. Right now, you can connect to IBM’s computer or Rigetti’s quantum computer remotely and help discover what new questions quantum computers could solve! One immediate example is the direct emulation of initial photon pairs which can currently only be created by probabilistic processes on photonic hardware. A quantum computer, on the other hand, has a unique way of sorting through possible solutions and can have an answer in a, The Moving Cells that Make Our Pups the Pups They Are Today, The Truth about Cannabidiol (As Far as We Know), The Black Plague’s Influence on Society Today, A Sticky Situation: The Science of Making Maple Syrup, Learning from Llamas: Biomedical Discovery Inspired by the Animal Kingdom, Soiling our Soil: Soil Erosion and Its Impacts, Illinois Congressional Candidates Answer Questions about Science Policy. Once you have the physical computer working, you need to develop a way to talk to your qubits. Rather than looking at solutions one by one, the computer can be in a superposition of solutions and exist in all possible solutions simultaneously. Our team has now identified a new family of relevant applications for near-term quantum computers: The design of new quantum hardware itself. Along the way, we expect to discover exciting new hardware designs and improved quantum algorithms that facilitate quantum computers’ ability to simulate their own building blocks. Sorry, your blog cannot share posts by email. If you want to read more about quantum mechanics and are interested in its applications for communication, read this blog posted just a few weeks ago by a fellow student of mine! To make a quantum computer, we want to keep the language of 1’s and 0’s, but rather than use transistors, we use elements based on quantum mechanics- the field of physics that looks at the behavior of very small objects like atoms or the smaller particles that compose them. Quantum computers take advantage of strange properties from quantum mechanics to filter through possible solutions much more quickly than conventional computers. Entanglement allows all of the individual atoms in the quantum computer to talk to each other so that they can represent all possible solutions. We envision that the preprints that we describe in this post provide a path forward for the design of large quantum processors. The mapping onto digital quantum computers allows not only for more efficient simulation of the optical setup but also gives access to more powerful optimization techniques by emulating operations that are hard to achieve on the photonic devices. A particularly important application of quantum computers might be to simulate and analyze molecules for drug development and materials design. In his free time, he enjoys rock climbing and, if the weather is warm enough, slacklining or skateboarding. We show how to reproduce photonic boson sampling results and high-dimensional multipartite entangled state generation. Our key observation is that because quantum hardware is itself a quantum mechanical system, there will come a moment when they are too complex to be designed and studied with classical computers. For example, making a stoplight 30 seconds longer seems like a simple solution to reduce traffic on one road. To assist in conceptualizing the necessary hardware components for an analog or gate-based quantum computer, the hardware can be modeled in four abstract layers: the “quantum data plane,” where the qubits reside; the “control and measurement plane,” responsible for carrying out operations and measurements on the qubits as required; the “control processor plane,” which determines the … This works alongside the property of entanglement. All rights reserved. Quantum computers excel at simulating systems that are quantum in nature. Jeronimo’s article is part of a collaboration between the Illinois Science Council and the University of Chicago. The first step in building a quantum computer is figuring out how traditional computers work.