uk quantum technology hub for sensors and metrology · uk quantum technology hub for sensors and...
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![Page 1: UK Quantum Technology Hub for Sensors and Metrology · UK Quantum Technology Hub for Sensors and Metrology Prof. Kai Bongs Workshop on Quantum Sensors for Fundamental Physics Oxford](https://reader034.vdocuments.net/reader034/viewer/2022050406/5f8342a5c285ab63771e70b8/html5/thumbnails/1.jpg)
UK Quantum Technology Hub for
Sensors and MetrologyProf. Kai Bongs
Workshop on Quantum Sensors for
Fundamental PhysicsOxford 16.10.2018
www.quantumsensors.org
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The UK National Quantum TechnologyHub in Sensors and Metrology
12 University partners, NPL and over 200 industry
GOAL: Promote Science to Market
Building a QT Industry
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Hub-Related UK QT Ecosystem
102 collaborative projects with industry
69 companies invested money
£75M project value
(in addition to initial £35.5M)
>9 patent applications
>142 Records of invention
50 jobs in industry
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Transforming the Knowledge Economy
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Impact Example 1: Infrastructure Productivity
Gravity pioneer ISCF project
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Impact Example 2: Precision Agriculture
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Impact Example 3: Healthcare
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Impact Example 5: Corrosion
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Our Hub is developing Quantum Sensors for
• Gravity
• Magnetic fields
• Rotation
• Time
• THz radiation
• Quantum light
We believe these open up disruptive market
opportunities with enormous economic potential
What we do
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Roadmaps towards £4bn market opportunity
Atoms sensing
GRAVITY GRADIENTS
£1bn
Atoms sensing
TIME £500M
Atoms sensing
GRAVITY£300M
Atoms sensing
MAGNETIC FIELD£1bn
Atoms sensing
ROTATION£500M
Atoms making
QUANTUMLIGHT£100M
Atoms sensing
THz£400M
Atoms based QT platform
NDT
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Emerging QT Sensors Ecosystem
TopGaN Quantum Technologies Ltd
Applications
Sensors
Components
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Roadmap for Quantum Sensors
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Activities and Links
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Supply chain workpackages
WP1: Lasers/electronicsDoug Paul, [email protected]
100 kHz diode laserSystem on a Chip
WP2: Atomics packageMark Fromhold, [email protected]
Atom/ion chipsIntegrated opticsVacuum
WP3: Custom lasersJennifer Hastie, [email protected]
Semiconductor disklasersFemtosecond comb
WP4: Systems packageMoataz Attallah, [email protected]
Inertial stabilisationOverall package byadd. manufacturing
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Anatomy of a quantum sensor
Lasersystems
Integrated optical components
Vacuumchamber
Electronics &computer control
Atom chip
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Miniature Standardised Cold Atom Systems
Laser Systems Grating-MOT Miniature Vacuum
3D printed coils
3D printed magnetic shields
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Quantum sensor demonstrators
WP5: Gravity sensorsKai Bongs, [email protected]
1 nano-g in 10l volumeTowards gravity imager
WP6: Magnetic field sensorsPeter Krüger, [email protected]
Highest sensitivityFrom magnetic microscopeto large scale
WP7: Rotation sensorsTim Freegarde, [email protected]
200 picoradian/s
WP8: ClocksErling Riis, [email protected]
1 in 1013 in 1l volume1 in 1016 in 10l volume
WP9: Quantum ImagingVincent Boyer, [email protected]
Squeezed light source <20l
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Demonstrator: Quantum Gravity Reference/
Transportable gravimeter
Apparatus performance during measurement campaign in Herstmonceux being assessed.
Performance: ~6.6ng in 44min
Able to follow tides
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Demonstrator: Quantum Gravity gradiometer
Apparatus has performed initial surveys outside in inclement weather (near 0 degrees)
Performance: seeing the mass of a person next to the sensor head
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Demonstrator: Thermal Atomic Cell Magnetometer
• 38 pT.Hz-1/2 sensitivity• 1.2 kHz unity-gain bandwidth (up to 200 kHz sampling rate)• 1.47 W sensor power draw• completely portable compact setup and the ability to actively cancel 50 Hz
mains noise pickup.• The only component in the device that is not currently close to being a
commodity is the atomic vapour cell, where we have unique access to know-how on large-scale production. This is being implemented under IUK support and will feed into the 2019 packaged sensor system.
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The demonstrator has successfully been used to sense rf (10-20 MHz) and microwave (12.6 GHz) radiation.
The portable device has been carefully designed in collaboration with a number of industry partners with a number of subsystems currently being developed and it compares favourably in its predicted capabilities to other magnetometers such as vapour cell or NV center devices.
Demonstrator: Ion Array Gradient Magnetometer
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Demonstrator: Cold atom magnetic microscopeAchieved:• UHV at room temperature.• 700 pT minimum detectable magnetic field variation• 290 pT/√Hz/μm sensitivity (with averaging)• Spatial resolution of 2.8 μm, • Resolve 7nA current variation transverse to current flow • Dynamic range of ± 70 nT (homogeneous offset field)• Field of view is 1.3mm by 0.1 μm in 1 dimension. • 500 measurements simultaneously. • System weight is 100kg and consumes <1kW.• Unrivalled by any other technique for on silver nanowire
array touch screens.
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Demonstrator: MIT imaging system OAMs
- Magnetic field sensitivity of 130fT/\sqrt{Hz} in unshielded environments
- Sensitive detection from 3.5 kHz to 2 MHz (limited by electronics)
- MIT conductivity imaging resolution of 1mm
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Demonstrator: Cold atom microwave clock
• A Ramsey line-width of 40 Hz
• A repetition rate of up to 10 Hz
• Code to “lock” microwave source to atomic resonance created
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Demonstrator: Portable optical frequency reference: Calcium
- Electronics package and laser system for cooling, detection and generation of ions is on track. But optical shutter missing to achieve target accuracy.- Initial tests of physics package and clock laser delayed
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Demonstrator: Miniature optical lattice clock
Trial with Strathclyde lasers in progress
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Demonstrator: Compact source for multimode squeezed light
Physical implementation of beam deflection quantum measurement being implemented to build upon simulation results.
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Demonstrator Name Current Status Nov.19 Expected
Quantum Gravity Reference / Transportable
gravimeter
Completed 200 µGal/√Hz
Quantum Gravity gradiometer Built/being built <200eotvos/√Hz
Thermal Atomic Cell Magnetometer 3.09 pT/√Hz 1 pT/√Hz
Ion Array Gradient Magnetometer Being built MW: ~10pT/√Hz
Cold atom magnetic microscope 100pT Sensitive to 100pA
MEG demonstrator Built Smaller, more sensitive
MIT imaging system OAMs 102 fT/√Hz 10 fT/√Hz
Cold atom microwave clock Built 3x10-13 /√Hz
Portable optical frequency reference: Ca+ Being built 1x10-14
Miniature optical lattice clock Being built 5×10−16
Compact source for multimode squeezed
light
-3dB -6dB (intensity difference)
Cold atom sourceComponent
development
Packaged source and
grating MOT
Rotation Not applicable Not applicable
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Market Building
UK network
Foster Dialogue
Knowledge Transfer
Demonstration activities
WP10: Market BuildingCostas Constantinou, [email protected]
Martin Dawson, Fraunhofer [email protected]
WP11: Gravity in Civil Eng.Nicole Metje, [email protected]
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First wearable brain scanner
A wearable brain scanner that can be fitted on moving people was developed by
colleagues at the University of Nottingham and University College London as part of
a research project funded by Wellcome. The scanner allows researchers to measure
brain activity in people doing normal tasks, helping to detect and monitor diseases.
This project built on research undertaken by the
Quantum Technology Hub for Sensors and
Metrology’s Magnetometry work package, and
has been allocated a portion of the Hub’s
Partnership Resource Fund.
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Paul John (e2V): “Do not throw your research over the wall”
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Challenge: Systems Innovation
Sensor Navigation
SystemVehicle Regulatory
Framework
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Hub Strategy“Disruptive Innovation Triangle”
Technology
Research User Challenges
Research to
Demonstrate
Benefits
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Systems Engineering / Thinking
ChallengeEconomic &
Social Impact
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Systems Engineering / Thinking
Embedded within the Hub
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Fundamental and Quantum Physics in Birmingham
Particle
Physics
Gravitational
WavesCold
Atoms
Quantum
Sensors
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“Quantum expertise” @ UoB
Our School is active in developing quantum sensing techniques combining expertise from EPSRC- and
STFC-related projects:
Optical clocks
2 setups, 10 staff
Atom interferometers
7 setups, 20 staff
Magnetometers
2 setups, 3 staff
Optical cavitiesOptical
interferometersOpto-mechanics
Quantum light
2 setups, 3 staff
Quantum simulation
4 setups, 5 staff
Quantum state engineering
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Particle Physics in Birmingham
… wide ranging activities integrating fundamental
physics objectives with instrumentation development
and knowldedge exchange opportunities
- Long heritage. Alumni include Peierls,
Skyrme, Mandelstam, Dalitz
- Major roles in international collaborations,
including Nobel-prize recognized
discoveries - UA1 (W, Z), ATLAS (Higgs)
- Other past & present experiments include:
H1, OPAL, BaBar, LHCb, NA62, DUNE, RD50,
ILC/CLIC, LHeC, FCC-hh and eh …
60” Nuffield
Cyclotron [1948-1999]
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39
- Current group is ~50 people including PhD students
- Recent ATLAS spokesperson (Dave Charlton 2013-2017)
- Incomoing NA62 spokesperson (Cristina Lazzeroni 2019-21)
- Many other prominent roles
Current interests with relevance to Quantum Tech physics
targets:
- Energy frontier (including Dark Matter & Dark Energy
searches at ATLAS / future colliders)
- Flavour physics (including dark photon searches at LHCb and
NA62)
- Direct light Dark Matter searches (Small-scale NEWS-G
experiment).
Particle Physics in Birmingham
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Birmingham Instrumentation
Laboratory for Particle physics
and Applications (BILPA)
- 200m2 suite of clean rooms (ISO5 and ISO7)
with extensive wire bonding and metrology
equipment, currently devoted primarily to
silicon detector manufacture and sensor R&D
- Unique radiation hardness characterization
capability through proximity to local MC40
cyclotron (dedicated beamline)
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Institute for Gravitational Wave AstronomyTechnology development, instrument research and development, complemented by a broad programme on observations (LIGO, LISA, Pulsar Timing), compact object astrophysics and general relativity.
Instrumentation for LIGO– construction partners in Advanced LIGO– work package lead in ‘A+’ upgrades– core equipment and novel technologies
Instrumentation for LISA Pathfinder– long heritage of building space instrumentation– provided flight phase meter and support for optical bench
Optical design of large facilities– work package lead for Advanced Virgo optical design– work package lead for Einstein Telescope interferometer design– optical design support for MIGA (Matter wave interferometric GW antenna)
Technology development– Table-top scale experiments, demonstration of new technologies, two
examples on next slides
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Development for a variety of applications
– Gravitational-wave detection
– Precision metrology
– Inertial sensing
Ultra-Stable Platforms
Transferring quantum-noise limited
measurement to mechanical stability
– Compact interferometers for
displacement and inertial sensing
– Ground-based “drag-free” control around
a single proof-mass
– Optimising active isolation with sensor
fusion and MIMO control
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Experiment to reach the
Standard Quantum Limit (SQL)
Quantum Limit of Interferometry
Beyond the SQL: A unified theoretical framework of different
quantum techniques based upon the fundamental quantum
limit (FQL) and numerical simulation of realistic
interferometers using FINESSE.
SQL FQLHeisenberg
limit
optical loss
limit
output
filtering
input
filtering
intra-cavity
filtering
with
optical lo
ss
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Einstein Telescope (ET)
• 2010 ET conceptual design completed
• 2018 Forming the ET collaboration
• 2019 ESFRI roadmap
• 2021-2022 Site Selection
• 2023 Full Technical Design
• 2025 Infrastructure realisation start (excavation, ….)
• 2032+: installation / commissioning / operation
The Einstein Telescope is the vision for a European GW Observatory, a large
underground facility with a 50+ years lifespan, expected to host a number of
different experiment/technologies.
Recent investment (10+ M€) for pathfinder projects near the two main site
candidates (Italy, Netherlands), the roadmap:
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Quantum Sensor enabled Fundamental Physics
Our range of expertise in quantum sensing enables new opportunities:
Clocks Magnetometers
Atom interferometers
Opto-Mechanics
Optical cavities
Optical interferometers
Quantum simulation
Spatial variation of fundamental constants
X
Tests of QED X X X
Exotic spin dependent interactions
X X X
Dark Matter (including axion, dark photons)
X X X X X
General relativity and gravitation
X X X
Lorentz symmetry tests X X
OtherQuantum enhanced metrology
Entangled statesSqueezing generation
Hawking radiationString breaking in QCD
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We are fully supportive of the Quantum Sensors for Fundamental Physics Initiative
- Sensors- Technologies- Space
Please talk to us