UK Quantum Technology Landscape 2014 - epsrc

Feb 14, 2014 - Our review of quantum technologies and their applications has fallen mainly into the following ... Progressive programme and project management ...... However, the UK has delivered world class research addressing some of ...
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UK Quantum Technology Landscape 2014

Dr. Jonathan Pritchard Dr. Stephen Till

Defence Science and Technology Laboratory, Porton Down [email protected] 1 Final Version 14/02/2014 UNCONTROLLED DSTL/PUB75620

UK UNCLASSIFIED

UK Quantum Technology Landscape 2014 Contents 1.

Executive summary ......................................................................................................................... 7

2.

Introduction .................................................................................................................................. 10

3.

Overview of quantum technologies.............................................................................................. 11

4.

3.1.

Quantum physics .................................................................................................................. 11

3.2.

Quantum technology ............................................................................................................ 12

Technology areas .......................................................................................................................... 12 4.1.

Introduction .......................................................................................................................... 12

4.2.

Quantum timing and clocks .................................................................................................. 13

4.2.1.

Introduction .................................................................................................................. 13

4.2.2.

Technology development and accuracy of atomic clocks ............................................ 15

4.2.3.

Coherent population trapping (CPT) clocks .................................................................. 17

4.2.4.

Quantum logic and single ion clocks ............................................................................. 18

4.2.5.

Summary of current atomic clock performance ........................................................... 19

4.2.6.

Atom chip and lattice clocks ......................................................................................... 20

4.2.7.

Quantum clock synchronisation ................................................................................... 21

4.2.8.

Issues and challenges .................................................................................................... 21

4.2.9.

Synopsis......................................................................................................................... 22

4.3.

Quantum communications ................................................................................................... 23

4.3.1.

Introduction .................................................................................................................. 23

4.3.2.

Secure transmission of classical information ............................................................... 23

4.3.3.

QKD "2.0" ...................................................................................................................... 23

4.3.4.

QKD networks ............................................................................................................... 23

4.3.5.

Quantum information transmission and teleportation ................................................ 24

4.3.6.

Quantum random number generators (RNGs) ............................................................. 25