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QDevil

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Helping Quantum Researchers Succeed

QDevil is an international quantum technology company focused on developing and manufacturing auxiliary electronics and specialized components, operating from milli-Kelvin to room temperature.

Latest news

Webinar: New cryogenic sample holders for high-fidelity qubit measurements

Join our webinar on December 7, 2021, where we introduce the QCage.24, QDevil’s new microwave-cavity sample holder for high-fidelity qubit measurements, targeted at superconducting quantum processors with up to 20 qubits. 

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Product Launch - Superconducting Qubit Chip Carrier

QDevil is releasing a new sample holder system, targeted at superconducting quantum processors with tens of qubits.

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The Official Launch of the 24 Channel DAC for Quantum Electronics Research

We have big news for all users and potential users of the QDAC. We are announcing our new ultra-low noise high resolution 24-channel voltage source, the QDAC II.

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Our Products

Specialized for quantum electronics applications

QCage is a sample holder system for microwave resonator-based quantum devices such as superconducting quantum processors. The first released product QCage.24 features the chip suspended in an all-surrounding cavity with 24 coplanar transmission lines ending in bond pads to transmit control and read-out signals up to 18 GHz. By careful design and microwave simulation, we have ensured high-fidelity qubit operation by minimizing losses and decoherence. Our benchmarking data confirms both low-loss transmission and all resonances occurring above 18 GHz.

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QCage – Microwave Cavity Sample Holder

The QDAC series from QDevil are high-precision low-noise computer-controlled voltage generators designed for DC and intermediate-frequency control quantum electronics and quantum computer qubits. In addition to the precise and stable voltage output, the QDACs can measure output currents, for example, to detect leaking gates or shorted bonding wires. The original QDAC originates from the laboratories of the Center for Quantum Devices at the University of Copenhagen and is used in quantum labs worldwide. The new QDAC-II is a x1000 faster and more versatile version with much faster and precise current sensing where it is used for quantum computing research. The QDACs have 24 channels and thus offer a cost-effective way of getting many high-quality D/A converter channels.

Click here to read about QDAC-I.

Click here to read about QDAC-II.

QDAC – Gate Controller DACs

The QBoard system is a well-tested sample holder for quantum electronics. It features a motherboard and a low-cost replaceable daughter-board, connected with contact spring interposers. The QBoard provides DC, as well as RF lines with bias tees, to the sample.

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QBoard – Advanced Sample Holder

QFilter rejects high frequency noise and thermalizes electrons to the cryostat, ensuring millikelvin electron temperature in quantum electronics,

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QFilter

The QBox breakout box extends the Faraday cage of the fridge, with twisted pair cables terminated with BNC connectors. Switches enable connecting a channel directly to ground, or a common bus.

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QBox – Breakout Boxes

Contact Us

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QDEvil ApS
Fruebjergvej 3
DK-2100 Copenhagen, Denmark
Phone: +45 3699 2145

QDEvil Inc.
299 California Avenue, suite 200
Palo Alto, CA 94306, USA
Phone: +1 650 543 3192

sales@qdevil.com
www.qdevil.com

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Meet Us

QDevil has the aim of accelerating the science in quantum electronics labs, by letting scientists focus their effort on the science, instead of constructing auxiliary equipment that already has been developed in other labs.

We are experienced with cryogenic electronics science, and we will do our best to help you with picking the right components and instruments for your lab.

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreements No. 868058 and 946372.