Iain Thayne, Anthony Kelly, Douglas Paul
School of Engineering
University of Glasgow
Glasgow and CS – a few case studies
Mid-IR imaging – and beyond............
Molecular Beam Epitaxy + CS Device Fab
Mid-IR imaging – and beyond............
Partner name
Partner LOGO
Mid-IR imaging – and beyond............
Full supply chain
Exciting applications
Well established partnerships
Critical mass of talent
GPON systems
• 2.5G downstream
@1490nm
• 1.25G upstream
@1300nm
• Very cost sensitive
• New standards
evolving constantly
• Interoperability
Local
Exchange
Street
Cabinet
n
x
n
1490nm
1310nm
CSTG-UoG PON laser project
• Prior QCL work…
• First Step Award
• UoG Knowledge Transfer Account
• Knowledge Transfer Partnership
• Development of PON laser product
• High frequency testing
• Waveguide modelling
• Production test
~1.2um
Low cost lasers for PONs
• F-P and DFB lasers
• Increase speed via improved laser
design
• DFB single mode yield
10Gbit/s F-P
eye diagram
Outcomes
• Successful project
• Significant market traction
• Recruitment of Associate
• Impact case study
• New products…
• Follow on projects in CS
• 10Gbit/s PIN and APD
• I-BROW H2020 (Optocap, IQE)-RTD based OE
interfaces
• Industrial PhD Scholarship
• 4x25Gbit/s device development
• Blue laser systems and devices
Birmingham Led Quantum Technology Hub
http://www.birmingham.ac.uk/generic/quantum/
Developing practical cold atom systems for applications
Atomic clocks
Rotation sensors
Quantum navigator
Magnetometers
Gravimeters
> 90 UK companies involved from components –> systems –> users
Cold Atom System Applications
Atomic clocks Rotation sensors Quantum navigator
Gravity sensors Magnetic sensors
Roadmap to Portable Atomic Clocks
1. large scale demo
NIST
NIST
5. Miniature systems
2. Miniature discrete
components
3. Component integration
4. Common platforms
Single Mode DFB Lasers: Rb 780.24 nm
1.0 mm
780.24 nm 20 ˚C
37 dB
SMSR
uncoated
single
facet
EPSRC QT Hub in Sensors & Metrology: £7.8M (£38M total)
Aim: develop 780.24 nm DFB laser platform for cold atom systems
Atom Traps: JWNC Fabrication
C.C. Nshii et al. Nature Nano. 8, 321 (2013)
Fibre
Input
beam
Lens Quarter
waveplate
Vacuum
cell
Magneto-
optical
trap
kdiffraction
NPL / Imperial / Strathclyde / Glasgow / KNT collaboration