Research
Quantum & Scientific Advancements
Method for Efficient Large-Scale Cryogenic Characterization of CMOS Technologies
13 Nov, 2024
NPL and Quantum Motion published research on testing thousands of silicon transistors at cryogenic temperatures. Using an on-chip multiplexer, the method enables faster large-scale device characterization essential for developing cryogenic control chips for scalable quantum computing. Read more
Exchange Control in a MOS double quantum dot made using a 300mm wafer process
In our latest paper, our team have demonstrated exchange control, which forms the basis for two-qubit gates between spin qubits, in an MOS Double quantum dot device fabricated using a 300 mm wafer metal-oxide-semiconductor (MOS)…
Measurement of cryoelectronics heating using a local quantum dot thermometer in silicon
Integrating classical electronics alongside quantum devices in silicon offers the possibility of building truly scalable quantum computers. However, to ensure these hybrid chips succeed, we need to understand how the power…
Probabilistic Interpolation of Quantum Rotation Angles
Moving from the 8-bit Nintendo Entertainment System to the 16-bit SNES, unlocked richer virtual worlds due to the increased bits of resolution. Increasing the resolution of electronic systems used to control qubits would…
CMOS on-chip thermometry at deep cryogenic temperatures
Diagram of cryogenic measurement setup. The legend in the bottom left gives the materials in the structures used for thermometry(b)-(e).. The microprocessors in your computer come embedded with temperature sensors, to ensure the…
Quantum Dot-Based Frequency Multiplier
Our team presents a quantum dot-based radio-frequency multiplier operated at cryogenic temperatures with enhanced efficiency over current classical counterparts. This work demonstrates that silicon quantum devices are useful…
Pipeline quantum processor architecture for silicon spin qubits
We present a new idea to process quantum information using silicon technology: The Pipeline. NISQ devices offer us the opportunity to achieve quantum advantage over classical systems without the use of full quantum error…