Qubit Dashboard

 

Type

Supercond-ucting

Supercond-ucting

Supercond-ucting

Supercond-ucting

Trapped Ions

Trapped Ions

Trapped Ions

Trapped Ions

Silicon Spin

Silicon Spin

Silicon Spin

Silicon Spin

Photonics

Photonics

Photonics

NV Diamond

Neutral Atoms

Topological

Sub-type

Tunable

Fixed Freq.

Parametric

Flux

Hyperfine

Optical

NF Microwave

GF Microwave

Si Mos

Si SiGe

Imp. Donor P

STM Donor P

SOI

Si3N4

Other

Lifetime (T2)

seconds

1.5E-5

5.0E-5

2.0E-5

5.0E-8

50

0.2

50

1.6

3.3E-6

1.0E-6

0.55

0.00015

0.00015

10

0.32

Best 2Q gate

%

0.997

0.991

0.992

0.9992

0.996

0.997

0.985

0.98

0.92

0.9

0.98

0.992

0.974

2Q Gate speed

seconds

1.2E-8

1.7E-7

1.76E-7

5.0E-5

1.6E-6

0.00325

0.0027

8.0E-8

1.0E-7

8.0E-10

1.0E-9

1.0E-9

0.0001

1.0E-6

Lifetime/
speed

cycles

1250

294

114

1000000

125000

15385

593

41

10

150000

150000

100000

320000

Environment

20mK

20mK

20mK

20mK

Vacumn

Vacumn

Vacumn

Vacumn

1K

1K

20mK

20mK

2K

2K

2K

Ambient

Vacumn

Largest Device

53Q

27Q

31Q

2000Q

11Q

20Q

2Q

2Q

2Q

2Q

2Q

2Q

12 Qumode

20 photons

10Q

51Q

Largest QV

32

64

USP

Flexible control & calibration

Streamlined control requirements

Hybrid tuanable/ fixed benefits

Quantum Annealing in NISQ era

High fidelity & connectivity

Easier optical integration

High fidelity potential without lasers

Very modular and scalable

CMOS compatibility

CMOS with lower disorder lattice

CMOS with improved lifetimes

Atomic level precision manufacture

Leverage silicon photonics to scale rapidly

Leverage qutuam squeezed light

Leverage standard components

Room temperature operation

Enhanced connectivity

Greatly reduced overheads

Key Challenge

Scaling-up control wiring

2Q gate fidelities

2Q gate fidelities

Demonstrating Quantum Advantage

Scaling-up laser control

Limited coherence lifetimes

Demonstrate multi-qubit device

2Q gate fidelities

Demonstrate multi-qubit device

Demonstrate multi-qubit device

Demonstrate basic qubit operations

Demonstrate basic qubit operations

Photon loss

Photon counting detectors

Fibre wiring complexity

Poor NV-NV gate fidelity limits scaling

Scaling-up laser control

Create qubit

FTQC footprint

Building

Building

Building

Building

Building

Building

Building

Chip

Chip

Chip

Chip

Compact

Compact

Huge

Network

Building

Notable Players

Google Origin Quantum QuTech
QCI IQM
SeeQC

IBM OpenSuperQ OQC

Rigetti Bleximo

D-Wave Qilimanjaro

IonQ Honeywell

AQT
AQTION NextGenQ

Oxford Ionics

Universal Quantum MicroQC NextGenQ

Intel/Qutech Origin Quantum Quantum Motion Hitachi

Intel/Qutech

Photonic Inc

SQC

PsiQ

Xanadu
QuiX

Orca Computing

Quantum Brilliance

ColdQuanta QuEra Pasqal Atom Computing

Microsoft

For the references supporting this data please see the accompanying SWOT analysis documents.

Fact Based Insight gives precedence to: articles published in refereed journals, arXiv articles, conference presentations, personal correspondence.

This data represents Fact Based Insights understanding of the data at the time of publication. We apologise for any misunderstandings or omissions. If you believe your data is not correctly represented here, or that there is other news we should hear about, please contact us.

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