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September 16, 2019

Tough Errors Are No Match for APL Team Exploring Quantum Science

Dave Clader meeting with Director Ralph Semmel

Dave Clader, the principal investigator for “Tough Errors Are no Match: Optimizing the Quantum Compiler for Noise Resilience,” specializes in quantum information science, quantum optics and physics-based modeling.

Credit: Johns Hopkins APL

The Johns Hopkins University Applied Physics Laboratory (APL), in Laurel, Maryland, has been tapped by the Department of Energy to develop advanced quantum computing and networking technologies. The award is part of larger DOE effort to address basic research gaps in the ideas, methods and tools that connect quantum computing applications to hardware.

“We are on the threshold of a new era in quantum information science and quantum computing and networking, with potentially great promise for science and society,” said DOE Undersecretary for Science Paul Dabbar, in announcing the department’s quantum computing research grants. “These projects will help ensure U.S. leadership in these important new areas of science and technology.”

“We are still in the early stages of quantum computing. We have still not achieved quantum advantage, the point at which quantum computers outperform classical computers,” said Dave Clader, a theoretical physicist and principal investigator of the APL research team. “Despite this, hardware is scaling up and more near-term applications are being considered that may finally push us into the realm where quantum advantage is demonstrated.”

Because of this promise, Clader continued, there has been a considerable amount of research into algorithms and software development. “Unlike classical computing — where the hardware can be abstracted from a software engineer — an algorithm designer for near-term quantum hardware must have detailed knowledge of the underlying hardware, noise characteristics and architecture,” he said.

APL researchers — under an effort called TEAM, or Tough Errors Are no Match: Optimizing the Quantum Compiler for Noise Resilience — will explore advanced noise characterization and mitigation techniques, focusing on models that can be easily incorporated into quantum compilers in a hardware-agnostic manner.

“Uncontrolled noise is currently limiting quantum computers from reaching their full potential,” explained Clader. “We are looking to integrate noise combating protocols into quantum compilers. This will enable quantum programmers to write noise-resilient quantum algorithms in an automated fashion that does not require the algorithm designer to understand the detailed noise characteristics of the hardware.”

APL has extensive expertise in quantum characterization and control — the essential building blocks for the team’s approach; the Laboratory is also collaborating with several institutions, including Dartmouth College, University of Maryland, University of Chicago, Stanford University, University of Colorado Boulder, the Unitary Fund and Lawrence Livermore National Laboratory.

See also:

Old Method Leads to New Quantum Processing Possibilities

Cool Tool Could Enable Quantum Computers to Tackle More Complex Applications

APL Physicist Appointed to Defense Science Board Quantum Technologies Task Force

Media contact: Paulette Campbell, 240-228-6792, Paulette.Campbell@jhuapl.edu

The Applied Physics Laboratory, a not-for-profit division of The Johns Hopkins University, meets critical national challenges through the innovative application of science and technology. For more information, visit www.jhuapl.edu.