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Four projects aim to advance cryogenics for quantum information science

Four projects aim to advance cryogenics for quantum information science

Technology News |
By Jean-Pierre Joosting



The Quantum Economic Development Consortium (QED-C), managed by SRI International, in strategic partnership with the U.S. Department of Commerce’s National Institute of Standards and Technology (NIST), have announced a $2.3 million research program to advance cryogenic technologies that will enable innovation in quantum information science and technology (QIST).

The program aims to address gaps identified by QED-C members as barriers to progress in applications of quantum information science for computing, networking and communication and sensing.

“This program will help accelerate the pace of U.S. innovation and commercialization in the field of quantum information science,” said Celia Merzbacher, QED-C executive director. “QED-C plans for additional research opportunities for consortium members in the coming year in an effort to remove further barriers and enable advances in quantum technology and applications.”

The program consists of four projects that will be led by QED-C member companies, FormFactor, Inc., Northrop Grumman Systems Corporation, Quantum Opus, LLC. and Triton Systems, Inc. 

FormFactor will develop a novel load lock designed to dramatically reduce the time required to test quantum chips. The new load lock is expected to enable rapid sample exchange from room temperature to 4 Kelvin (K), 1.6 K and eventually colder, enabling the high-throughput RF and DC testing of bare die with advanced probe card incorporating hundreds, or even thousands of MEMS probes. The team will also partner with NIST to create a high-power Joule Thompson system. These innovations are expected to be transformative for technologies such as spin and photonic qubits.

Northrop Grumman will advance small cryocoolers in the 3 K to 5 K range in the 0.1-W to 1-W lift range. Cryocoolers in this range are essential to mobile platforms, including airborne and space applications. These systems may also be used by a broad range of institutions and users, including those developing small sensors that exploit quantum effects only attainable with mK-class cryogenic cooling.

Quantum Opus will explore two parallel paths to a low-cost and compact 2.5 K cryocooler. Access to reliable and affordable cryocoolers of this size is expected to enable applications in quantum networking, quantum memories, distributed quantum sensors, biomedical imaging and free-space communication. 

Triton Systems will demonstrate a multi-stage modified Collins cycle cryocooler to provide cooling at 4K for components and systems that enable quantum information science and technology. The resulting cryocooler is expected to offer a step-change improvement in operational efficiency and system integration at a cost comparable to currently available cryocoolers.

According to Joel Ullom, with NIST’s Quantum Sensors Group, cryogenic temperatures reduce the movement of electrons and atoms that causes quantum states to be disrupted.

“Advancing cryogenic systems benefits many quantum applications and will accelerate the dissemination of quantum technologies,” Ullom said.

https://quantumconsortium.org

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