Stephen Bartlett
@bartlettquantum.bsky.social
Professor at the University of Sydney. Quantum computing enthusiast.
Views expressed here are my own.
Views expressed here are my own.
Very exciting announcement, the next Quantum Error Correction conference QEC26 will be hosted by Google 7-12 June 2026 in Santa Barbara. See you there! @dripto.bsky.social @mattmcewen.bsky.social
August 12, 2025 at 9:54 PM
Very exciting announcement, the next Quantum Error Correction conference QEC26 will be hosted by Google 7-12 June 2026 in Santa Barbara. See you there! @dripto.bsky.social @mattmcewen.bsky.social
Reposted by Stephen Bartlett
📢 We are hiring! The School of #ComputerScience of #USyd 🇦🇺 is seeking outstanding women academics, at all seniority levels, for continuing (equivalent tenure system) positions.
Deadline to apply: ⏰ August 25 #AcademicJobs #WomenInCS
usyd.wd105.myworkdayjobs.com/en-GB/USYD_E...
Deadline to apply: ⏰ August 25 #AcademicJobs #WomenInCS
usyd.wd105.myworkdayjobs.com/en-GB/USYD_E...
Women in Engineering: Continuing (Tenure-Track) Academic Positions for Women, Faculty of Engineering, The University of Sydney
Join a growing Faculty and be part of a University that places amongst the world’s best teaching and research institutions Located in the heart of Sydney’s bustling inner west quarter, close to beache...
usyd.wd105.myworkdayjobs.com
July 17, 2025 at 12:18 AM
📢 We are hiring! The School of #ComputerScience of #USyd 🇦🇺 is seeking outstanding women academics, at all seniority levels, for continuing (equivalent tenure system) positions.
Deadline to apply: ⏰ August 25 #AcademicJobs #WomenInCS
usyd.wd105.myworkdayjobs.com/en-GB/USYD_E...
Deadline to apply: ⏰ August 25 #AcademicJobs #WomenInCS
usyd.wd105.myworkdayjobs.com/en-GB/USYD_E...
Reposted by Stephen Bartlett
Adapting maximum likelihood decoders using just 1% of efficiently learned Pauli error rates via Cycle Error Reconstruction boosts quantum error correction performance up to 10×, helping lower the overhead for fault-tolerant quantum computing. @bartlettquantum.bsky.social
arxiv.org/abs/2507.08536
arxiv.org/abs/2507.08536
Enhancing Decoding Performance using Efficient Error Learning
Lowering the resource overhead needed to achieve fault-tolerant quantum computation is crucial to building scalable quantum computers. We show that adapting conventional maximum likelihood (ML) decode...
arxiv.org
July 14, 2025 at 1:10 PM
Adapting maximum likelihood decoders using just 1% of efficiently learned Pauli error rates via Cycle Error Reconstruction boosts quantum error correction performance up to 10×, helping lower the overhead for fault-tolerant quantum computing. @bartlettquantum.bsky.social
arxiv.org/abs/2507.08536
arxiv.org/abs/2507.08536
Field trip! We had this week’s reading group on qLDPC codes at the Sydney offices of Iceberg Quantum. Thanks Felix Larry and Sam for hosting, and @universal-soup.bsky.social for organizing
July 13, 2025 at 3:49 AM
Field trip! We had this week’s reading group on qLDPC codes at the Sydney offices of Iceberg Quantum. Thanks Felix Larry and Sam for hosting, and @universal-soup.bsky.social for organizing
Reposted by Stephen Bartlett
Happy to see our paper published today demonstrating spin qubit control with integrated milli-kelvin CMOS. Much more of this coming from emergencequantum.com
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Spin-qubit control with a milli-kelvin CMOS chip - Nature
CMOS-based circuits can be integrated with silicon-based spin qubits and can be controlled at milli-kelvin temperatures, which can potentially help scale up these systems.
www.nature.com
June 27, 2025 at 4:47 AM
Happy to see our paper published today demonstrating spin qubit control with integrated milli-kelvin CMOS. Much more of this coming from emergencequantum.com
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Terry Rudolph @psiquantum.bsky.social is writing about ‘blocklets’! I got a sneak preview of these from Daniel Litinski and they are very cool.
www.psiquantum.com/featured-new...
www.psiquantum.com/featured-new...
Blocklets — PsiQuantum
Read more here. PsiQuantum presents a new, practical approach to fault tolerant quantum computing. The new approach, one particularly suitable for the high connectivity of photonic quantum computer...
www.psiquantum.com
June 17, 2025 at 8:55 PM
Terry Rudolph @psiquantum.bsky.social is writing about ‘blocklets’! I got a sneak preview of these from Daniel Litinski and they are very cool.
www.psiquantum.com/featured-new...
www.psiquantum.com/featured-new...
Reposted by Stephen Bartlett
A first-of-its-kind research and development company has been launched by the @sydney.edu.au quantum technology team that worked closely with Microsoft Quantum for the best part of a decade.
Emergence Quantum is delivering quantum technology’s “missing link”.
Emergence Quantum is delivering quantum technology’s “missing link”.
Emergence Quantum: a commercial 'special ops' team for research and development
Professor David Reilly and Dr Thomas Ohki have launched Emergence Quantum, a spinout from the University of Sydney, building on their work at Microsoft Quantum, they are delivering a new type of comme...
go.sydney.edu.au
May 27, 2025 at 11:31 PM
A first-of-its-kind research and development company has been launched by the @sydney.edu.au quantum technology team that worked closely with Microsoft Quantum for the best part of a decade.
Emergence Quantum is delivering quantum technology’s “missing link”.
Emergence Quantum is delivering quantum technology’s “missing link”.
Excited to share our first major result from our IARPA Entangled Logical Qubits team!
arxiv.org/abs/2504.07258
@benbrown.bsky.social @universal-soup.bsky.social @evanhockings.bsky.social @georgianixon.bsky.social
arxiv.org/abs/2504.07258
@benbrown.bsky.social @universal-soup.bsky.social @evanhockings.bsky.social @georgianixon.bsky.social
April 11, 2025 at 1:06 AM
Excited to share our first major result from our IARPA Entangled Logical Qubits team!
arxiv.org/abs/2504.07258
@benbrown.bsky.social @universal-soup.bsky.social @evanhockings.bsky.social @georgianixon.bsky.social
arxiv.org/abs/2504.07258
@benbrown.bsky.social @universal-soup.bsky.social @evanhockings.bsky.social @georgianixon.bsky.social
Reposted by Stephen Bartlett
Only one week left to submit a contributed talk to QEC 25!
qec25.yalepages.org
August 11 - 15, 2025, hosted at Yale University.
This promises to be the best QEC yet!
Please repost!
qec25.yalepages.org
August 11 - 15, 2025, hosted at Yale University.
This promises to be the best QEC yet!
Please repost!
QEC25
qec25.yalepages.org
March 21, 2025 at 10:54 PM
Only one week left to submit a contributed talk to QEC 25!
qec25.yalepages.org
August 11 - 15, 2025, hosted at Yale University.
This promises to be the best QEC yet!
Please repost!
qec25.yalepages.org
August 11 - 15, 2025, hosted at Yale University.
This promises to be the best QEC yet!
Please repost!
At PRX Quantum, we are very excited to launch a collection of papers celebrating the International Year of Quantum Science and Technology!
Have a look… and for those at the APS Global Physics Summit 2025 please come to our session on Tuesday to hear more! prxquantumcollection.org
Have a look… and for those at the APS Global Physics Summit 2025 please come to our session on Tuesday to hear more! prxquantumcollection.org
IYQ Collection – Impacting the Next DecadeIYQ Collection – Impacting the Next Decade
prxquantumcollection.org
March 12, 2025 at 10:39 PM
At PRX Quantum, we are very excited to launch a collection of papers celebrating the International Year of Quantum Science and Technology!
Have a look… and for those at the APS Global Physics Summit 2025 please come to our session on Tuesday to hear more! prxquantumcollection.org
Have a look… and for those at the APS Global Physics Summit 2025 please come to our session on Tuesday to hear more! prxquantumcollection.org
Reposted by Stephen Bartlett
We're advertising a continuing position in the School of Physics at Sydney!
Lecturer / Senior Lecturer in Theoretical Optics & Photonics
Deadline April 3rd
usyd.wd3.myworkdayjobs.com/USYD_EXTERNA...
Base Salary Level B/C, $122,830 - $173,492 p.a + 17% superannuation
#Physics #AcademicSky
Lecturer / Senior Lecturer in Theoretical Optics & Photonics
Deadline April 3rd
usyd.wd3.myworkdayjobs.com/USYD_EXTERNA...
Base Salary Level B/C, $122,830 - $173,492 p.a + 17% superannuation
#Physics #AcademicSky
Lecturer / Senior Lecturer in Theoretical Optics & Photonics
Full time, continuing position. Located on the Camperdown Campus at the School of Physics Exciting opportunity to join the leading physics department in the country, with outstanding staff and student...
usyd.wd3.myworkdayjobs.com
March 5, 2025 at 4:44 AM
We're advertising a continuing position in the School of Physics at Sydney!
Lecturer / Senior Lecturer in Theoretical Optics & Photonics
Deadline April 3rd
usyd.wd3.myworkdayjobs.com/USYD_EXTERNA...
Base Salary Level B/C, $122,830 - $173,492 p.a + 17% superannuation
#Physics #AcademicSky
Lecturer / Senior Lecturer in Theoretical Optics & Photonics
Deadline April 3rd
usyd.wd3.myworkdayjobs.com/USYD_EXTERNA...
Base Salary Level B/C, $122,830 - $173,492 p.a + 17% superannuation
#Physics #AcademicSky
Spotted in the wild! ❤️
February 28, 2025 at 8:32 AM
Spotted in the wild! ❤️
February in Sydney means quantum at the beach! Looking forward to another fantastic Sydney Quantum Information Theory workshop at Coogee. #Coogee2025
February 9, 2025 at 9:26 PM
February in Sydney means quantum at the beach! Looking forward to another fantastic Sydney Quantum Information Theory workshop at Coogee. #Coogee2025
Reposted by Stephen Bartlett
Submissions for QEC 2025 are now open through March 28.
This will easily be the most exciting conference on quantum error correction yet!
Conference homepage:
qec25.yalepages.org
EasyChair submission page:
easychair.org/my/conferenc...
This will easily be the most exciting conference on quantum error correction yet!
Conference homepage:
qec25.yalepages.org
EasyChair submission page:
easychair.org/my/conferenc...
QEC25
qec25.yalepages.org
January 11, 2025 at 1:23 AM
Submissions for QEC 2025 are now open through March 28.
This will easily be the most exciting conference on quantum error correction yet!
Conference homepage:
qec25.yalepages.org
EasyChair submission page:
easychair.org/my/conferenc...
This will easily be the most exciting conference on quantum error correction yet!
Conference homepage:
qec25.yalepages.org
EasyChair submission page:
easychair.org/my/conferenc...
Reposted by Stephen Bartlett
The deadline for talk submissions at QCTiP 2025 is coming up! Consider submitting a talk until January 10.
January 6, 2025 at 9:59 AM
The deadline for talk submissions at QCTiP 2025 is coming up! Consider submitting a talk until January 10.
Last day of work before the holidays and I’ve accomplished the impossible!
December 20, 2024 at 3:56 AM
Last day of work before the holidays and I’ve accomplished the impossible!
Roadtrip! Heading from @equscoe.bsky.social EQUS workshop in Noosa to the @psiquantum.bsky.social Brisbane office opening, with Tom Stace and Andrew Doherty. In Gerard Milburn’s car! Going to be a very #quantum drive
December 11, 2024 at 10:16 PM
Roadtrip! Heading from @equscoe.bsky.social EQUS workshop in Noosa to the @psiquantum.bsky.social Brisbane office opening, with Tom Stace and Andrew Doherty. In Gerard Milburn’s car! Going to be a very #quantum drive
Cosmos Mag has my take on today’s Google QEC result in @natureportfolio.bsky.social
Awesome result everyone! #quantum cosmosmagazine.com/science/phys...
Awesome result everyone! #quantum cosmosmagazine.com/science/phys...
Google’s quantum computer takes major leap forward
Google Quantum AI has managed a new milestone in quantum computing, with chips that can correct errors below a “critical threshold”.
cosmosmagazine.com
December 10, 2024 at 12:45 AM
Cosmos Mag has my take on today’s Google QEC result in @natureportfolio.bsky.social
Awesome result everyone! #quantum cosmosmagazine.com/science/phys...
Awesome result everyone! #quantum cosmosmagazine.com/science/phys...
Great to have Prof Ian Walmsley visit us at Sydney Nano. We are both thinking about similar things: how to create research facilities and places that enable great science and new collaboration. Shared facilities for nanofab, HPC, etc are standard, but how can it work for quantum labs? Any ideas?
December 5, 2024 at 12:13 AM
Great to have Prof Ian Walmsley visit us at Sydney Nano. We are both thinking about similar things: how to create research facilities and places that enable great science and new collaboration. Shared facilities for nanofab, HPC, etc are standard, but how can it work for quantum labs? Any ideas?
Post selection in QEC is not cheating 🤣, but can be scalable and significantly reduce your resources overheads! Check out our newly published paper in @commsphys.bsky.social rdcu.be/d1LuM, a great collab with Sam Smith and @benbrown.bsky.social @sydneyphysics.bsky.social
Mitigating errors in logical qubits
Communications Physics - Quantum error correction produces an enormous amount of data about the quantum system, including information about whether an uncorrectable error is likely. In this work...
rdcu.be
November 29, 2024 at 5:56 AM
Post selection in QEC is not cheating 🤣, but can be scalable and significantly reduce your resources overheads! Check out our newly published paper in @commsphys.bsky.social rdcu.be/d1LuM, a great collab with Sam Smith and @benbrown.bsky.social @sydneyphysics.bsky.social
At Australian Parliament House for a Parliamentary Friends of Science event. Great to see bipartisan support for science and tech … and what a great venue!
November 26, 2024 at 9:25 PM
At Australian Parliament House for a Parliamentary Friends of Science event. Great to see bipartisan support for science and tech … and what a great venue!
Did you know that contextuality of a set of quantum states is precisely captured by notions of antidistinguishability? Find out more in our new paper. Great collaboration with USYD PhD student Maiyuren Srikumar and the brilliant Angela Karanjai.
arxiv.org/abs/2411.09919
arxiv.org/abs/2411.09919
How contextuality and antidistinguishability are related
Contextuality is a key characteristic that separates quantum from classical phenomena and an important tool in understanding the potential advantage of quantum computation. However, when assessing the...
arxiv.org
November 19, 2024 at 12:03 AM
Did you know that contextuality of a set of quantum states is precisely captured by notions of antidistinguishability? Find out more in our new paper. Great collaboration with USYD PhD student Maiyuren Srikumar and the brilliant Angela Karanjai.
arxiv.org/abs/2411.09919
arxiv.org/abs/2411.09919
Reposted by Stephen Bartlett
Reminder: we're hiring (tenure-track equivalent) at the University of Sydney in #ComputerScience, deadline Nov 30 (🇦🇺 time)!
usyd.wd3.myworkdayjobs.com/en-US/USYD_E...
usyd.wd3.myworkdayjobs.com/en-US/USYD_E...
Multiple Continuing (Tenure-Track) Academic Positions, School of Computer Science
Join a growing Faculty and be part of a University that places amongst the world’s best teaching and research institutions Located in the heart of Sydney’s bustling inner west quarter, close to be...
usyd.wd3.myworkdayjobs.com
November 25, 2023 at 10:08 PM
Reminder: we're hiring (tenure-track equivalent) at the University of Sydney in #ComputerScience, deadline Nov 30 (🇦🇺 time)!
usyd.wd3.myworkdayjobs.com/en-US/USYD_E...
usyd.wd3.myworkdayjobs.com/en-US/USYD_E...
Recorded talks for the Sixth International Conference on Quantum Error Correction #QEC23 are now freely available! www.youtube.com/channel/UC1t...
QEC23
Talks from QEC23 - 6th International Conference on Quantum Error Correction, Sydney
www.youtube.com
November 13, 2023 at 2:11 AM
Recorded talks for the Sixth International Conference on Quantum Error Correction #QEC23 are now freely available! www.youtube.com/channel/UC1t...