Quantum Sensing

Quantum technologies carry the promise of enabling the next-generation of sensors and detectors which exploit quantum effects. Oxford Instruments provide user-friendly ultra-low temperature environments make this possible. In combination with our integrated magnet systems which caters to a wide range of variable magnetic field needs, enabling the next-generation of superconducting quantum sensors.

Quantum sensors also offer enhanced performance beyond the classical shot-noise limit. This may be through squeezed light in plasmonic sensors or by coupling to spin states in qubits such as NV centres in diamond. Better known quantum sensors include superconducting thin film devices such as SQUIDS, SQUIPS, nanowires, kinetic inductance detectors and bolometers. Oxford Instruments also provide underpinning technology in deposition and etch tools employed to create the quantum sensors of the future.

Fabrication of Quantum Sensor Devices

Oxford Instruments offer a range of reliable and high quality etch (ICP etch; RIE) and deposition (ALD; PECVD) solutions for quantum sensor fabrication. These include thinning down diamond to improve the manipulation of NV centres, and structuring diamond to enable new application with quantum information and sensing applications.

Plasma Etching of Diamond Surfaces & Features

Defect free-etching of diamond and surface functionalisation to leave a conducive surface for the efficient collection of quantum signals.

Plasma Etching to Create Surfaces for Efficient Light manipulation

Fabrication of photonic structures such as microdiscs and photonic crystals to enhance light manipulation, propagation and confinement.

RIE of materials etching for Superconducting sensors

Etching of superconducting materials for the fabrication of SQUIDs, SQUIPs etc.

SiNx hard mask deposition, e.g. Si3N4

Durable hard masks to enable precise etching of Diamond and other materials.

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Environments and measurements solutions for SQUID sensors

Demand for accurate measurements at the nanoscale will continue to increase and Superconducting Quantum Interference Devices (SQUIDs) have been a key factor in the development and commercialization of ultrasensitive electric and magnetic measurement systems. The study of small spin clusters, like magnetic molecules and nanoparticles, single electron, cold atom clouds, is one of the most stimulating challenges of applied and basic research of the next years.

In many cases, SQUID instrumentation offers the ability to make measurements where no other methodology is possible. Observation of quantum effects and materials often require low and ultra-low temperatures as well as very sensitive measurements of weak magnetic signals, small electric currents or voltages. For example, magnetic susceptibility and nuclear magnetic resonance.  Superconducting Quantum Interference Devices (SQUIDs) have been proven robust tools for such measurements.

Oxford Instruments offer world-leading solutions for ultimate control of cold environments and magnetic fields.

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Diamond Quantum Technologies: Advancements in Engineering NV Centre Devices

Defects in diamond crystals which form its colour centres are a very valuable source of quantum systems. The NV centres in diamond possess an electron spin state that can be used as an excellent spin qubit. In this webinar, we will address the key advancements in the optimisation of processes for the fabrication of these powerful quantum devices and characterising the new materials and new device developments.

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Oxford Instruments participates in the launch of the European Quantum Technology Flagship Programme ‘QMiCS’

Oxford Instruments is pleased to announce a partnership with the leading European institutions, including renowned research groups from Germany, France, Spain, Finland, and Portugal. The group is led by the Walther-Meißner-Institute (WMI) of the Bavarian Academy of Sciences and Humanities in Garching, Germany on a European project for developing new quantum applications. 

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