Quantum Technology Laboratory @QTL_Chalmers
Quantum Technology Laboratory (QTL) Headed by professors Per Delsing and @JonasBylander2. Developing technologies in #quantumcomputing w/ #superconductingqubits Gothenburg, Sweden Joined July 2020-
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New preprint just in time for the #APSMarch meeting: arxiv.org/abs/2403.00285 With @sandokokosen, @JonasBylander2, and the experimental team @wacqt_sweden @chalmersuniv @QTL_Chalmers (and @VTTFinland through @OpenSuperQPlus), we characterize crosstalk on our quantum processors.
Mitigation of frequency collisions in superconducting quantum processors, Amr Osman et al @Amr_Osman_ @JonasBylander2 @chalmersuniv @QTL_Chalmers @wacqt_sweden @OpenSuperQ #Quantum #QuantumInformation go.aps.org/46dFKAJ
New experimental results out today with collaborators from @QTL_Chalmers! We measure the long sought-after cubic phase state that is obtained by applying the cubic Hamiltonian x³ to an initial squeezed state, by engineering the cubic gate explicitly! scirate.com/arxiv/2308.153… (1/7)
New preprint out today with @trondhjerpekjon and @RaphaelVanLaer, @wacqt_sweden @chalmersuniv: ”Quantum resource states from heralded microwave-optical Bell pairs”. arxiv.org/abs/2308.14173
✨ #OpenSuperQPlus kick off meeting in progress❗ Over 85 project members & associates are gathering at @upvehu in Bilbao 🇪🇸 for some interesting lectures & group discussions within work packages & across topics. Today we also had a poster session. 👉 opensuperqplus.eu
Enjoyed giving updates on scaling up superconducting QPU in multi-pronged approaches by various EU partners! Thanks @qmisanz and @OpenSuperQPlus for organising this! cc. @JonasBylander2 @QTL_Chalmers @wacqt_sweden
Enjoyed giving updates on scaling up superconducting QPU in multi-pronged approaches by various EU partners! Thanks @qmisanz and @OpenSuperQPlus for organising this! cc. @JonasBylander2 @QTL_Chalmers @wacqt_sweden
Our work has now been published in Nano Letters: doi.org/10.1021/acs.na… Congrats to the great fab effort!
Our work has now been published in Nano Letters: doi.org/10.1021/acs.na… Congrats to the great fab effort!
Refrigerators are very useful. What about quantum refrigerators? Can they be useful? We built one @QTL_Chalmers that is! arxiv.org/abs/2305.16710 To our knowledge, this is the first demo of a practical quantum thermal machine.
My first first author paper is finally out! We demonstrate a native three-qubit gate using fixed frequency qubits with tunable couplers. We leverage driving our normal CZ operations simultaneously rather than individually to generate a family of 3Q gates! nature.com/articles/s4153…
New preprint out today with my postdoc Jorge Fernández-Pendás and the experimental group @QTL_Chalmers @chalmersuniv @wacqt_sweden @OpenSuperQPlus: ”Mitigation of frequency collisions in superconducting quantum processors”, arxiv.org/abs/2303.04663 (1/6)
Researchers at @QTL_Chalmers @wacqt_sweden demonstrate a three-wave mixing, traveling-wave parametric amplifier with near-quantum-limited noise, 20 dB gain and 1 GHz 3-dB bandwidth between 4-8 GHz to detect signals at the few-photon level. Read here! doi.org/10.1063/5.0127…
New paper with the amazing @carrasqu and Nathan Killoran from @XanaduAI. Read on to find how a tussle between Fermat and Descartes can help us compute interesting quantum mechanical quantities, create entangled quantum states and perform hyperparameter tuning of QML algorithms ..
ConScience and @QTL_Chalmers are working on scaled qubit production to 4-inch wafer to facilitate commercial adoption of quantum technologies. Here we present our first successful 4-inch Qubit wafer (proprietary designs blurred). #QuantumComputing
Available @chalmersuniv in a collaboration between @smnlssn, @rahmlab, and me, bringing together @WASP_Research and @wacqt_sweden: a postdoc position in AI-driven optimization of variational algorithms for near-term quantum computers. Deadline 10 March. chalmers.se/en/about-chalm…
2/2 modular superconducting qubit components for rapid device design Q72.3 Control-Signal Crosstalk in Flip-Chip #Superconducting Quantum #Processors @orionfigen @tudelft #AndersenLabQuTech @sandokokosen @JonasBylander2 @AndreasAtETH @wacqt_sweden ...
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446 Followers 184 Following #quantumcomputer builder, co-founder @AtlanticQuantum, faculty member @chalmersuniv @wacqt_sweden @OpenSuperQPlus
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The day arrived! The School begins! Unfortunately, I won't be able to be there physically. Wishing an exciting and enlightening two weeks for all participants! Enjoy Benasque 🙂🏔️
The first Spring School on Near-Term quantum computing is ready to begin! @BSC_CNS @QuantumSpain_ES @Quandela_SAS @MultiverseQC @qilimanjaro @pasqal_quantum @meetIQM @QuantumQM
New preprint just in time for the #APSMarch meeting: arxiv.org/abs/2403.00285 With @sandokokosen, @JonasBylander2, and the experimental team @wacqt_sweden @chalmersuniv @QTL_Chalmers (and @VTTFinland through @OpenSuperQPlus), we characterize crosstalk on our quantum processors.
I will be sharing our experience building #superconducting #QPU using #flipchip integration at the @APSphysics March Meeting tomorrow. D49.00001, Room 200G, 3:00-3:36 pm meetings.aps.org/Meeting/MAR24/…
Want to push the boundaries of the surface code? Join my team Quantum Error Correction Experiment (QECX) @GoogleQuantumAI - Experimental quantum research experience - Knack for coding experiments and analysis - Interest in error correction goo.gle/3wcsiQI
Mitigation of frequency collisions in superconducting quantum processors, Amr Osman et al @Amr_Osman_ @JonasBylander2 @chalmersuniv @QTL_Chalmers @wacqt_sweden @OpenSuperQ #Quantum #QuantumInformation go.aps.org/46dFKAJ
👆 @chalmersuniv appears to be very prominent on this shelf. Probably mostly through @wacqt_sweden and @QTL_Chalmers .
New experimental results out today with collaborators from @QTL_Chalmers! We measure the long sought-after cubic phase state that is obtained by applying the cubic Hamiltonian x³ to an initial squeezed state, by engineering the cubic gate explicitly! scirate.com/arxiv/2308.153… (1/7)
Enjoyed giving updates on scaling up superconducting QPU in multi-pronged approaches by various EU partners! Thanks @qmisanz and @OpenSuperQPlus for organising this! cc. @JonasBylander2 @QTL_Chalmers @wacqt_sweden
The last session of this exhausting @OpenSuperQPlus kickoff meeting is already ongoing. First scientific talk by @sandokokosen from @chalmersuniv. @ehuscientia @NquireC @Ikerbasque
Our work has now been published in Nano Letters: doi.org/10.1021/acs.na… Congrats to the great fab effort!
Now we also have trampolines in InGaP, with a Q>10^7, new work on the arxiv: arxiv.org/abs/2211.12469 #nanotechnology #quantum
Fantastic work by @warrench92 demonstrating this 3-qubit gate as a software update of our quantum computer architecture at Chalmers
My first first author paper is finally out! We demonstrate a native three-qubit gate using fixed frequency qubits with tunable couplers. We leverage driving our normal CZ operations simultaneously rather than individually to generate a family of 3Q gates! nature.com/articles/s4153…
My first first author paper is finally out! We demonstrate a native three-qubit gate using fixed frequency qubits with tunable couplers. We leverage driving our normal CZ operations simultaneously rather than individually to generate a family of 3Q gates! nature.com/articles/s4153…
New preprint out today with my postdoc Jorge Fernández-Pendás and the experimental group @QTL_Chalmers @chalmersuniv @wacqt_sweden @OpenSuperQPlus: ”Mitigation of frequency collisions in superconducting quantum processors”, arxiv.org/abs/2303.04663 (1/6)
Researchers at @QTL_Chalmers @wacqt_sweden demonstrate a three-wave mixing, traveling-wave parametric amplifier with near-quantum-limited noise, 20 dB gain and 1 GHz 3-dB bandwidth between 4-8 GHz to detect signals at the few-photon level. Read here! doi.org/10.1063/5.0127…
New paper with the amazing @carrasqu and Nathan Killoran from @XanaduAI. Read on to find how a tussle between Fermat and Descartes can help us compute interesting quantum mechanical quantities, create entangled quantum states and perform hyperparameter tuning of QML algorithms ..
Did you know we can take gradients through entire algorithms? d(VQE)/dx anyone? 📉⚛️🤩 The latest work: arxiv.org/abs/2211.13765 by @quantshah, @carrasqu and Nathan Killoran explores implicit differentiation in variational quantum algorithms. 🧵1/8
So, Can I now respond to the question 'Is there a doctor on the plane?' #PhD
We have another successful PhD from the lab of professor @WitlefW! @sushonomics did a fantastic job today defending his work on developing a platform for investigating optomechanical couplings in III-V heterostructures!
ConScience and @QTL_Chalmers are working on scaled qubit production to 4-inch wafer to facilitate commercial adoption of quantum technologies. Here we present our first successful 4-inch Qubit wafer (proprietary designs blurred). #QuantumComputing
Chi Zhang, Guo-Ping Guo et al. experimentally characterize the intrinsic properties of a tunable superconducting qubit coupler, including coupler coherence times, qubit-coupler cross-talk, and distortion 👇 aippub.org/3DoLjjr
Watch SVT Nyheter Väst’s news feature about the new Swedish quantum computer for industrial use: svt.se/nyheter/lokalt… #kvantdator #kvantteknologi
New Swedish quantum computer to be made available to industry. “Its purpose is to raise Sweden’s competence level in quantum technology and lower the threshold for using quantum computers,” says Per Delsing, director of WACQT. chalmers.se/en/departments…
Had a great time at the Workshop "Coping with Errors in Scalable #Quantum Computing Systems" in Bad Honnef this week. It was fun to meet everyone and talk to many people. Do you recognize anyone in the picture? Here are a few: @KJSatz @Stefan_Filipp @NathanLacroix @decodoku ...
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