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SemiQon’s Quantum Processor Testing Facilities at VTT MIKES Up and Running

Spin qubit device

Insider Brief

  • SemiQon’s measurement and testing facilities at the National Metrology Institute VTT MIKES are fully operational.
  • SemiQon will be the first deep-tech company benefiting from one of the best metrological research infrastructures in the world.
  • The setup include measurement of spin-qubit devices with a 5 Tesla magnetic field and at temperatures between 400mK.

PRESS RELEASE — SemiQon’s measurement and testing facilities within the premises of the National Metrology Institute VTT MIKES are now finalized and fully operational. SemiQon will be the first deep-tech company benefiting from one of the best metrological research infrastructures in the world for low-noise, high-precision measurement – a basic prerequisite for understanding and implementing quantum metrology.

“High-precision measurements are an important part of quantum information processing. Metrology and the infrastructure that are meant for the most accurate measurements is a key enabler when SemiQon develops scalable quantum processing units. One of the greatest challenges is to maintain low qubit error rates when the complexity of the processor increases. To solve this, understanding of the error mechanisms is vital, and here, metrology has a significant role,” says Janne Lehtinen, Chief Science Officer of SemiQon.

At the MIKES premises, SemiQon has invested in its own cryogenic measurement setup that includes measurement of spin-qubit devices with a 5 Tesla magnetic field and at temperatures between 400mK and 1K. Since SemiQon’s spin-qubit chips operate at a higher temperature, it simplifies the cryogenic requirements compared to, for example, superconducting chips.

SemiQon’s facility at the MIKES premises also houses a probe-station for full-scale wafer probing of SemiQon’s fabricated wafers. Investments in such industrial equipment will allow for fast and robust wafer quality mapping and a better understanding of the yield of SemiQon’s qubit manufacturing process. The facility also houses various state-of-the-art qubit measurement equipment provided by partners globally, including Qblox and Quantum Machines. The cryostat supplied by Bluefors is one of over 1200 cryostats delivered by the company, and a top-of-the-line piece of equipment for cryogenic measurement in magnetic fields.

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“We are happy to see companies such as SemiQon productize technologies that are at the cutting edge of high-end metrology. The capability to carry out accurate measurements in a very sensitive electrical, thermal, and magnetic environment has been the focus of MIKES researchers for long, and the presence of companies like SemiQon boosts the interest in and potential for metrology from a commercial perspective,” says Martti Heinonen, VP of VTT MIKES.

SemiQon’s new facilities also represent a continuing relationship between VTT MIKES and Bluefors.

“Companies like SemiQon pose an interesting technical challenge for Bluefors, and we are happy to be able to provide a cryogenic setup that allows SemiQon to reach their goals. Incidentally, one of Bluefors’ very first commercial cryostats was installed in MIKES facilities in 2008, and it is great to see the latest Bluefors cryostats being now commissioned by SemiQon at the same premises,” says David Gunnarsson, CTO of Bluefors.

Otaniemi, Finland has recently been nominated as the location of one of NATO’s new DIANA test centres for quantum technologies. Other facilities like Kvanttinova will also support the development and further expansion of semiconductor and quantum pilot-line facilities in Otaniemi. These strategic investments further bolster the region’s competitiveness and align with SemiQon’s vision and choice of location for manufacturing and testing its quantum processors.

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Matt Swayne

With a several-decades long background in journalism and communications, Matt Swayne has worked as a science communicator for an R1 university for more than 12 years, specializing in translating high tech and deep tech for the general audience. He has served as a writer, editor and analyst at The Quantum Insider since its inception. In addition to his service as a science communicator, Matt also develops courses to improve the media and communications skills of scientists and has taught courses. [email protected]

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The Future of Materials Discovery: Reducing R&D Costs significantly with GenMat’s AI and Machine Learning Tools

When: July 13, 2023 at 11:30am

What: GenMat Webinar

Picture of Jake Vikoren

Jake Vikoren

Company Speaker

Picture of Deep Prasad

Deep Prasad

Company Speaker

Picture of Araceli Venegas

Araceli Venegas

Company Speaker

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