News

The latest developments in our quest for scalable quantum computing

News
31/03/21

Quantum Computing Breakthrough Shows Blueprint for Scalable Future

London, UK, 31 March 2021 – Quantum Motion, a UK-based quantum computing startup led by academics from UCL and Oxford University, has made a breakthrough that radically advances the viability and production of quantum computers. Quantum Motion has been able to demonstrate state of the art quantum capabilities using industrial-grade silicon chips, helping to set […]

Technical
28/01/21

Neural network powered qubit noise spectroscopy

We demonstrate a neural-network-based methodology that allows for extraction of the noise spectrum associated with any qubit

Neural network powered qubit noise spectroscopy diagram
Technical
20/01/21

Integrated readout of silicon quantum dots in a CMOS chip

We present a cryogenic integrated circuit (IC) fabricated using industrial CMOS technology that hosts three key ingredients of a silicon-based quantum processor

Integrated readout of silicon quantum dots in a CMOS chip
Technical
07/12/20

Automatic virtual voltage extraction of a 2xN quantum dot array

Spin qubits in quantum dots are a compelling platform for fault-tolerant quantum computing

Automatic virtual voltage extraction of a 2xN quantum dot array diagram
Technical
30/09/20

Dispersive readout of ambipolar quantum dots

We report measurements of ambipolar gate-defined quantum dots in silicon on insulator (SOI) nanowires fabricated using a customised complementary metal-oxide-semiconductor (CMOS) process.

Electron spin readout in a CMOS device diagram
Technical
18/09/20

Remote capacitive sensing in 2D quantum-dot arrays

We demonstrate long range capacitive coupling in 2D arrays of gate-induced quantum dots in silicon nanowire field-effect transistors

Remote capacitive sensing in 2D quantum-dot arrays diagram
Technical
15/05/20

Electron spin readout in a CMOS device

We report the first measurements of an electron spin in a device fabricated using 300mm wafer scale processing

Electron spin readout in a CMOS device diagram
Technical
12/12/19

Introducing the “multi-core” NISQ model

Implementing a Hubbard model variational quantum eigensolver on a NISQ platform

Multi-core NISQ model diagram
Technical
12/12/19

A silicon surface code architecture resilient against leakage errors

We present a surface code architecture for silicon quantum dot spin qubits that is robust against charge leakage errors by incorporating multi-electron mediator dots

A silicon surface code architecture resilient against leakage errors image