Advancing Quantum Computing

IBM Research is committed to the study and advancement of quantum computing.

The future of computing

IBM has a decades-long role in advancing computing, developing systems that beat the world chess champion (Deep Blue), won on Jeopardy! (Watson) and mapped the human genome (Blue Gene), for example.

Today, IBM is committing its talented scientists and engineers to build a universal quantum computer that will enable new scientific discoveries and innovations. With an associated ecosystem of quantum software tools and industry partnerships, IBM is driving the study and adoption of quantum computing worldwide.

Key research areas @ IBM

Information theory

Exploring a broad array of topics in quantum information theory, including error correction and fault-tolerance for realizing large-scale quantum computation as well as verification and validation of quantum systems.

Device engineering

Applying theoretical and experimental expertise to overcoming significant challenges in designing, fabricating, connecting, controlling and holistically improving physical qubits.

Computing systems

Rethinking computing hardware through the development of commercially viable quantum systems, which are expected to be a hybrid of quantum and classical computers.

Algorithms and coding

Working with the scientific and technical community through the IBM Quantum Experience, open source APIs and partnership to build an entirely new software stack for universal quantum computers.

Featured research

IBM researchers have authored more than 31 scientific publications related to quantum since 2012 on such topics as quantum information theory, physics, cryptography and more.

Quantum Physics

The people that shaped the future

One of the first and most promising applications for quantum computing will be in the area of chemistry. IBM’s scientists have developed techniques to efficiently explore the simulation of chemistry problems on existing quantum systems. Experimental demonstrations of various molecules are in progress. In the future, the goal will be to scale to even more complex molecules and predict chemical properties with higher precision than is possible with classical computers.

Featured publications

Complete universal quantum gate set approaching fault-tolerant thresholds with superconducting qubits

Jerry M. Chow, Jay M. Gambetta, A. D. Corcoles


Quantum Cryptography II: How to re-use a one-time pad safely even if P=NP

Charles H. Bennett, Gilles Brassard, Seth Breidbar


Efficient Z-Gates for Quantum Computing

David C. McKay, Christopher J. Wood, Sarah Sheldon, Jerry M. Chow, Jay M. Gambetta


Demonstration of a quantum error detection code using a square lattice of four superconducting qubits

A.D. Córcoles, Easwar Magesan, Srikanth J. Srinivasan, Andrew W. Cross, M. Steffen, Jay M. Gambetta & Jerry M. Chow


From theory to practice

Quantum mechanics was a revolutionary advance in physics of the early 20th century, an elegant mathematical theory that accurately explained many strange properties of particles and electromagnetic radiation that had puzzled scientists for decades. It led to great technological advances such as the laser and transistor. Only in the last decade of the 20th century, however, was it possible to engineer quantum effects into practical devices much larger than atoms and use them to create qubits, the building blocks of a quantum computer.

IBM and 80 years of quantum history

Learn more

Continue exploring the possibilities of quantum computing with IBM.

Information is quantum

IBM Fellow Charles Bennett explains how strange physical phenomena discovered in the early 20th century taught us the true nature of information and how to process it.


Tour the IBM Q Lab

See where IBM scientists are building a quantum computer at the IBM T.J. Watson Research Center.


Why IBM is building a universal quantum computer

Learn about IBM’s initiative.


Quantum Volume

As the sophistication of early universal quantum computers grows over the next few years, a key measure of their capability will be the Quantum Volume of the system.”


Run your own quantum experiment

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