Iain Thayne, Anthony Kelly, Douglas Paul

School of Engineering

University of Glasgow

iain.thayne@glasgow.ac.uk

anthony.kelly@glasgow.ac.uk

douglas.paul@glasgow.ac.uk

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