# Simon Devitt

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{{short description|Australian theoretical quantum physicist|bot=PearBOT 5}}
{{Use Australian English|date=December 2021}}
{{Use dmy dates|date=April 2018}}
{{Infobox scientist
|name              = Simon Devitt
| honorific_suffix = {{post-nominals|unlinked=[FRSN](/source/Fellow_of_the_Royal_Society_of_New_South_Wales) FAIP}}
|birth_date        = {{birth date and age|1981|7|17|df=y}}
|birth_place       = [Adelaide](/source/Adelaide), [South Australia](/source/South_Australia), Australia
|death_date        = 
|death_place       = 
|citizenship       = 
|birth_name        = Simon John Devitt 
|fields            = [Physicist](/source/Physicist)
|workplaces        = {{Plainlist|
* [University of Technology, Sydney](/source/University_of_Technology%2C_Sydney)
* [Macquarie University](/source/Macquarie_University)
* [Riken](/source/Riken)
* [Ochanomizu University](/source/Ochanomizu_University)
* [National Institute of Informatics](/source/National_Institute_of_Informatics)
}}
|alma_mater        = {{Plainlist|
* [University of Melbourne](/source/University_of_Melbourne)
* [Cambridge University](/source/Cambridge_University)
}}
|doctoral_advisor  = Lloyd CL Hollenberg
|known_for         = {{Plainlist|
* [Quantum Computing](/source/Quantum_Computing)
* [Quantum network](/source/Quantum_network)
* [Quantum programming](/source/Quantum_programming)
}}
|thesis_title = Quantum information engineering: concepts to quantum technologies
|signature         =  <!--(filename only)-->
|footnotes         = 
}}

'''Simon John Devitt''' {{post-nominals|unlinked=[FRSN](/source/Fellow_of_the_Royal_Society_of_New_South_Wales) FAIP}} (born 17 July 1981) is an Australian theoretical quantum physicist who has worked on large-scale [Quantum computing](/source/Quantum_computing) architectures,  [Quantum network](/source/Quantum_network) systems design, [Quantum programming](/source/Quantum_programming) development and [Quantum error correction](/source/Quantum_error_correction). In 2022 he was appointed as a member to Australia's National Quantum Advisory Committee.<ref>{{Cite news|title=National Quantum Advisory Committee to strengthen Australia's quantum industry|url=https://www.industry.gov.au/news/national-quantum-advisory-committee-strengthen-australias-quantum-industry|access-date=13 January 2023}}</ref>

==Education==
Devitt received his BSc (Hons) in Physics from [Melbourne University](/source/Melbourne_University) in 2004. He completed his PhD in physics under Lloyd Hollenberg at the Center for Quantum Computation (CQCT) at the [University of Melbourne](/source/University_of_Melbourne) in 2008, with a thesis entitled ''Quantum information engineering: concepts to quantum technologies''.<ref>{{Cite news|title=Quantum information engineering: concepts to quantum technologies|url=https://minerva-access.unimelb.edu.au/handle/11343/39351|access-date=3 December 2018}}</ref>  During his Ph.D, Devitt was awarded the [Rae and Edith Bennett Travelling Scholarship](/source/Rae_and_Edith_Bennett_Travelling_Scholarship) at the [Faculty of Mathematics, University of Cambridge](/source/Faculty_of_Mathematics%2C_University_of_Cambridge), where he worked within the [Centre for Quantum Computation](/source/Centre_for_Quantum_Computation), headed by [Artur Ekert](/source/Artur_Ekert).<ref>{{Cite news|title=Centre for Quantum Computation|url=https://www.quantiki.org/research-group/centre-quantum-computation|access-date=3 December 2018}}</ref>

==Career and research ==
Following his PhD, Devitt did [postdoctoral research](/source/postdoctoral_research) at the Japanese [National Institute of Informatics](/source/National_Institute_of_Informatics) in the group of [Kae Nemoto](/source/Kae_Nemoto), where he was promoted to [assistant professor](/source/assistant_professor) in 2011.  Later, in 2014, he took a position of [associate professor](/source/associate_professor) in physics at [Ochanomizu University](/source/Ochanomizu_University) at the Leading Graduate School Promotion Center.  In 2015 he took up a position as senior research scientist at the Japanese National Laboratories, [Riken](/source/Riken), in the Superconducting Quantum Simulation Research Team, headed by [Jaw-Shen Tsai](/source/Jaw-Shen_Tsai).

In 2017, he returned to Australia where he was appointed research fellow for the [Australian Research Council](/source/Australian_Research_Council) Center of Excellence for Engineered Quantum Systems (EQUS) at [Macquarie University](/source/Macquarie_University) and in 2018 he was appointed as lecturer in quantum architectures at the Center for Quantum Software and Information (QSI) at the [University of Technology Sydney](/source/University_of_Technology_Sydney).<ref>{{Cite news|title=UTS|url=https://www.uts.edu.au/staff/simon.devitt|access-date=3 December 2018}}</ref> In 2020 he was awarded the inaugural Warren prize<ref>{{Cite news|title=UTS quantum researcher receives Royal Society's Warren Prize|url=https://www.uts.edu.au/research-and-teaching/our-research/centre-quantum-software-and-information/news/uts-quantum-researcher-receives-royal-societys-warren-prize|access-date=12 October 2021}}</ref> by the [Royal Society of New South Wales](/source/Royal_Society_of_New_South_Wales) for his service to quantum computing development and in 2021 he was elected fellow of the [Royal Society of New South Wales](/source/Royal_Society_of_New_South_Wales) and the [Australian Institute of Physics](/source/Australian_Institute_of_Physics). In 2022 Devitt was appointed associate professor and research director of the Center for quantum software and information at UTS.

Devitt's research has focused on the design of practical large-scale systems architectures for quantum computing and communications system.  He published the first architecture, in an atom-optical system, that utilised techniques in topological quantum error correction that could be conceptually scaled to an arbitrary number of encoded qubits.<ref>
11 August 2009 {{Cite journal| title=Architectural design for a topological cluster state quantum computer| doi=10.1088/1367-2630/11/8/083032| volume=11| issue= 83032| journal=New J. Phys.| page=1221|arxiv=0808.1782| year=2009| last1=Devitt| first1=S. J| last2=Fowler| first2=A. G| last3=Stephens| first3=A. M| last4=Greentree| first4=A. D| last5=Hollenberg| first5=L. C. L| last6=Munro| first6=W. J| last7=Nemoto| first7=K|author7-link= Kae Nemoto | bibcode=2009NJPh...11h3032D| s2cid=56195929}}</ref>  In 2014, in collaboration with [NTT Communications](/source/NTT_Communications) and [TU Wien](/source/TU_Wien), he developed a design for a scalable system using the [Nitrogen-vacancy center](/source/Nitrogen-vacancy_center)<ref>
4 August 2014 {{Cite journal| title=Photonic architecture for scalable quantum information processing in diamond| doi=10.1103/PhysRevX.4.031022| volume=4| issue=3| journal=Physical Review X| article-number=031022|arxiv=1309.4277| year=2014| last1=Nemoto| first1=K.|author1-link= Kae Nemoto | last2=Trupke| first2=M.| last3=Devitt| first3=S. J| last4=Stephens| first4=A. M| last5=Scharfenberger| first5=B| last6=Buczak| first6=K| last7=Nobauer| first7=T| last8=Everitt| first8=M. S| last9=Schmiedmayer| first9=J| last10=Munro| first10=W. J | bibcode=2014PhRvX...4c1022N| s2cid=118418371}}</ref> and in 2017 he developed a large-scale system design for [Ion trap](/source/Ion_trap) quantum computing in collaboration with the [University of Sussex](/source/University_of_Sussex).<ref>{{Cite journal |title=Blueprint for a microwave trapped ion quantum computer |journal=Science Advances|volume=3 |issue=2 |article-number=e1601540 |date=2017-02-01
|doi=10.1126/sciadv.1601540 |pmid=28164154 |pmc=5287699 |last1=Lekitsch|first1=B|last2=Weidt|first2=S|last3=Fowler|first3=A. G|last4=Mølmer|first4=K|last5=Devitt|first5=S. J|last6=Wunderlich|first6=C|last7=Hensinger|first7=W. K|bibcode=2017SciA....3E1540L|arxiv=1508.00420}}</ref>  Devitt has also worked in the development of scalable [Quantum network](/source/Quantum_network)s, developing designs for what is now known as 2nd<ref>
29 August 2010 {{Cite journal| title=From quantum multiplexing to high-performance quantum networking| doi=10.1038/nphoton.2010.213| volume=4| issue=11| journal=Nature Photonics| pages=792–796|arxiv=0910.4038| year=2010| last1=Munro| first1=W. J| last2=Harrison| first2=K. A| last3=Stephens| first3=A. M| last4=Devitt| first4=S. J| last5=Nemoto| first5=K|author5-link= Kae Nemoto | bibcode=2010NaPho...4..792M| s2cid=119243884}}</ref> and 3rd<ref>14 October 2012 {{Cite journal| title=Quantum communication without the necessity of quantum memories| doi=10.1038/nphoton.2012.243| volume=6| issue=11| journal=Nature Photonics| pages=777–781|arxiv=1306.4137| year=2012| last1=Munro| first1=W. J| last2=Stephens| first2=A. M| last3=Devitt| first3=S. J| last4=Harrison| first4=K. A| last5=Nemoto| first5=K|author5-link= Kae Nemoto | bibcode=2012NaPho...6..777M| s2cid=5056130}}</ref> generation quantum repeaters and inventing, with scientists in Japan and Australia, a quantum version of [Sneakernet](/source/Sneakernet)s.<ref>2 November 2016 {{Cite journal| title=High-speed quantum networking by ship| doi=10.1038/srep36163| pmid=27805001| pmc=5090252| volume=6| journal=Scientific Reports| article-number=36163|arxiv=1605.05709| year=2016| last1=Devitt| first1=S. J| last2=Greentree| first2=A. D| last3=Stephens| first3=A. M| last4=Van Meter| first4=R| bibcode=2016NatSR...636163D}}</ref>

Devitt's recent work has focused largely on developing a software framework for large-scale, error-corrected machines, including methods to map high-level quantum circuits to machine level instructions<ref>14 April 2017 {{Cite journal| title=Fault-tolerant, high-level quantum circuits: form, compilation and description| doi=10.1088/2058-9565/aa66eb| volume=2| issue=2| journal=Quantum Science and Technology| page=025003|arxiv=1509.02004| year=2017| last1=Paler| first1=A| last2=Polian| first2=I| last3=Nemoto| first3=K|author3-link= Kae Nemoto | last4=Devitt| first4=S. J| bibcode=2017QS&T....2b5003P| s2cid=118481140}}</ref> and how these error-corrected circuits need to be optimised to reduce the resource load on quantum computing hardware.<ref>11 September 2017{{Cite journal| title=Optimization of lattice surgery is NP-hard| doi=10.1038/s41534-017-0035-1| volume=3| issue=1| journal=npj Quantum Information| page=35|arxiv=1702.00591| year=2017| last1=Herr| first1=D| last2=Nori| first2=F| last3=Devitt| first3=S. J| bibcode=2017npjQI...3...35H| s2cid=52200775}}</ref>

In 2016, he established, with [Jared Cole](/source/Jared_Cole_(physicist)) of [RMIT University](/source/RMIT_University), the first consultancy specialising in quantum technology,<ref>{{Cite news|title=Quantum technologies and the launch of h-bar quantum consultants|url=http://www.h-bar.com.au/blog/2016/10/30/quantum-technologies-and-the-launch-of-h-bar-quantum-consultants|access-date=3 December 2018}}</ref> which became a founding member of the Spanish based industry group, the Quantum World Association (QWA).<ref>{{Cite news|title=h-bar joins the Quantum world association as a founding member for Asia.|url=http://www.h-bar.com.au/blog/2017/2/25/h-bar-joint-the-quantum-world-association-as-the-founding-member-for-the-asian-region|access-date=3 December 2018}}</ref>

He has worked with and advised several companies and government agencies worldwide on quantum technology development, is regularly featured in the popular press,<ref>{{Cite news|title=How to get ahead of the curve on quantum computing|url=https://www.afr.com/brand/boss/how-to-get-ahead-of-the-curve-on-quantum-computing-20171109-gzi1mj|access-date=3 December 2018}}</ref><ref>{{Cite news|title=The quest for Quantum|url=https://www.abc.net.au/radionational/programs/futuretense/the-quest-for-quantum/7395836|access-date=3 December 2018}}</ref><ref>{{Cite news|title=How Cargo Ships Full of Diamond Hard Drives Could Connect a Quantum Sneakernet|url=https://www.vice.com/en/article/how-cargo-ships-full-of-diamond-hard-drives-could-connect-a-quantum-sneakernet/|access-date=3 December 2018}}</ref><ref>{{Cite news|title=Quantum computer 'construction plan' drawn up|url=https://www.bbc.com/news/science-environment-38811255|access-date=3 December 2018}}</ref><ref>{{Cite news|title=Gamers help solve quantum questions|url=https://www.smh.com.au/technology/citizen-science-gamers-help-solve-quantum-questions-20160503-gokkoz.html|access-date=3 December 2018}}</ref> and comments for outlets such as [New Scientist](/source/New_Scientist) and [MIT Technology Review](/source/MIT_Technology_Review)<ref>{{Cite news|title=Quantum simulator with 51 qubits is largest ever|url=https://www.newscientist.com/article/2141105-quantum-simulator-with-51-qubits-is-largest-ever/|access-date=3 December 2018}}</ref><ref>{{Cite news|title=This qubit redesign may make it easier to make quantum computers|url=https://www.newscientist.com/article/2146503-this-qubit-redesign-may-make-it-easier-to-make-quantum-computers/|access-date=3 December 2018}}</ref><ref>{{Cite news|title=Google on track for quantum computer breakthrough by end of 2017|url=https://www.newscientist.com/article/2138373-google-on-track-for-quantum-computer-breakthrough-by-end-of-2017/|access-date=3 December 2018}}</ref><ref>{{Cite news|title=Google's Quantum Dream May Be Just Around the Corner|url=https://www.technologyreview.com/s/602283/googles-quantum-dream-may-be-just-around-the-corner/|access-date=3 December 2018}}</ref> on developments in quantum technology research.

In 2016, Devitt created and hosts the ''Meet the meQuanics'' podcast,<ref>{{Cite news|title=Meet the meQuanics|url=https://podcasts.apple.com/au/podcast/meet-the-mequanics-quantum-computing-discussions/id1099431495?mt=2|access-date=3 December 2018}}</ref> where scientists, industry leaders and students discuss issues related to the new quantum technology sector.

==Selected publications==

20 June 2013
{{Cite journal
 | title=Quantum error correction for beginners
 | doi=10.1088/0034-4885/76/7/076001
 | pmid=23787909
 | volume=76
 | issue=7
 | journal=Reports on Progress in Physics
 | article-number=076001|arxiv=0905.2794
 | year=2013
 | last1=Devitt
 | first1=S. J
 | last2=Munro
 | first2=W. J
 | last3=Nemoto|author3-link= Kae Nemoto
 | first3=K
 | bibcode=2013RPPh...76g6001D
 | s2cid=206021660
 }}.

20 June 2016
{{Cite journal
 | title=The path to scalable distributed quantum computing
 | doi=10.1109/MC.2016.291
 | volume=49
 | issue=9
 | journal=Computer
 | pages=31–42|arxiv=1605.06951
 | year=2016
 | last1=Van Meter
 | first1=R
 | last2=Devitt
 | first2=S.J
 | s2cid=118421039
 }}.

20 September 2016
{{Cite journal
 | title=Programming quantum computers using 3-D puzzles, coffee cups, and doughnuts
 | doi=10.1145/2983545
 | volume=23
 | issue=1
 | journal=XRDS: Crossroads, the ACM Magazine for Students
 | pages=45–50|arxiv=1609.06628
 | year=2016
 | last1=Devitt
 | first1=S. J
 | bibcode=2016arXiv160906628D
 | s2cid=12377031
 }}.

1 February 2017
{{Cite journal
 | title=Blueprint for a microwave trapped ion quantum computer
 | doi=10.1126/sciadv.1601540
 | pmid=28164154
 | pmc=5287699
 | volume=3
 | issue=2
 | journal=Science Advances
 | article-number=e1601540|arxiv=1609.06628
 | year=2017
 | last1=Lekitsch
 | first1=B
 | last2= Weidt
 | first2=S
 | last3=Fowler
 | first3=A. G
 | last4=Molmer
 | first4=K
 | last5=Devitt
 | first5=S. J
 | last6= Wunderlich
 | first6=C
 | last7= Hensinger
 | first7=W
 | bibcode=2017SciA....3E1540L
 }}.

7 December 2012
{{Cite journal
 | title=Surface code quantum computing by lattice surgery
 | doi=10.1088/1367-2630/14/12/123011
 | volume=14
 | issue=12
 | journal=New J. Phys.
 | article-number=123011|arxiv=1111.4022
 | year=2012
 | last1=Horsman
 | first1=C
 | last2=Fowler
 | first2=A. G
 | last3=Devitt
 | first3=S. J
 | last4=Van Meter
 | first4=R
 | bibcode=2012NJPh...14l3011H
 | s2cid=119212756
 }}.

==References==
{{reflist}}

==External links==
* [https://www.uts.edu.au/staff/simon.devitt Simon Devitt: Home page.] Faculty of Engineering and IT, University of Technology, Sydney.
* [http://www.h-bar.com.au   h-bar: Quantum Consultants.].
{{authority control}}

{{DEFAULTSORT:Devitt Simon J.}}
Category:1981 births
Category:Living people
Category:Scientists from Adelaide
Category:Academic staff of the University of Technology Sydney
Category:University of Melbourne alumni
Category:Academic staff of Ochanomizu University
Category:Quantum physicists
Category:21st-century Australian physicists
Category:Theoretical physicists

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Adapted from the Wikipedia article [Simon Devitt](https://en.wikipedia.org/wiki/Simon_Devitt) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Simon_Devitt?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
