12/29/20 (Week of New Years)No journal club
12/22/20 (Week of Christmas)No journal club
12/15/20 *Finals weekJochen
11/24/20 *Thanksgiving weekRebecca
11/3/20AzizaLaser-annealing Josephson junctions for yielding scaled-up superconducting quantum
10/27/20TimAre there (tunable) multi-local interactions in atomic systems?
10/20/20YoungkyuHartree-Fock on a superconducting qubit quantum computer
10/13/20 *Monday schedule of classesJoelA merged-element transmon
10/6/20LeonHigh-fidelity, high-scalability two-qubit gate scheme for superconducting qubits
9/29/20ChrisThe XZZX Surface Code
9/22/20No journal club
9/15/20PatrickQuantum error correction of a qubit encoded in grid states of an oscillator
9/8/20AmiDemonstrating a Continuous Set of Two-qubit Gates for Near-term Quantum Algorithms
9/1/20ColeGlobal optimization of quantum dynamics with AlphaZero
deep exploration
8/25/20MortenHigh-fidelity controlled-Z gate with maximal intermediate leakage operating at the speed limit in a superconducting quantum processor
8/18/20Uri Vool (in lieu of Charlotte)Universal fast flux control of a coherent, low-frequency qubit
8/11/20RoniExperimental implementation of non-Clifford interleaved randomized benchmarking with a controlled-S gate
8/4/20BharathRealizing a deterministic source of multipartite-entangled photonic qubits
7/28/20No Journal Club
7/21/20JackSideband cooling beyond the quantum backaction limit with squeezed light
7/14/20SarahDemonstration of an all-microwave controlled-phase gate between far detuned qubits
6/30/20AmirGrowth and preservation of entanglement in a many-body localized system
6/23/20AnttiCoherence of a driven electron spin qubit actively decoupled from quasi-static noise
6/16/20BenImproving qubit readout with hidden Markov models
6/9/20JochenProbing entanglement in a many-body–localized system
3/10/20 - 6/2/20Journal club cancelled for spring 2020 semester
3/3/20No journal club (March Meeting)
Practice for March Meeting
2/18/20AnttiPractice for March Meeting
Practice for March Meeting
Practice for March Meeting
1/28/20YoungkyuPractice for March Meeting
1/21/20allGroup discussion
1/14/20RoniRepeated quantum error detection in a surface code
1/7/20GabrielExperimental verification of five-qubit quantum error correction with superconducting qubits
12/31/19No journal club (MIT closed)
12/24/19No journal club (MIT closed)
12/17/19TimTutorialSimulating superconducting circuits with linear inductances
12/10/19LeonRealization of a Λ system with metastable states of a capacitively shunted fluxonium
12/3/19JoelCoherent quantum phase slip
11/26/19YoungkyuCross-entropy benchmarking: Why / What / How?
11/19/19BenResonator reset in circuit QED by optimal control for large open quantum systems
11/12/19Visit, Long NguyenTowards the fluxonium quantum processorSeminar
11/5/19ChrisLeveraging secondary storage to simulate deep 54-qubit sycamore circuits
10/29/19RebeccaNanowire superinductance fluxonium qubit
10/22/19CharlotteLoss mechanisms and quasiparticle dynamics in superconducting microwave
resonators made of thin-film granular aluminum
10/15/19JochenElectric field spectroscopy of material defects in transmon qubits
10/8/19BillyQuantum microwave radiometry with a superconducting qubit
10/1/19No journal club
9/17/19AmirVariational quantum factoring on today's NISQ devicesRecap from internship a Zapata
9/10/19No journal club
9/3/19YoungkyuLab Tutorial: How to use a leak detector ASM340--
8/27/19AnttiQuantum-enhanced sensing of a mechanical oscillator
8/20/19BharathStrongly correlated quantum walks with a 12-qubit superconducting processor
8/13/19LeonCross-resonance interactions between superconducting qubits with variable detuning
8/6/19RoniFluxonium-based artificial molecule with a tunable magnetic moment
7/30/19TimObservation of an Efimov spectrum in an atomic system
7/23/19JoelSuppressing quasiparticle poisoning with a voltage-controlled filter
7/16/19GabrielDiabatic gates for frequency-tunable superconducting qubits
7/9/19JackSuppression of the radiative decay of atomic coherence in squeezed vacuum
7/2/19YoungkyuSuperconducting circuit protected by two-Cooper-pair tunneling
6/25/19BenProbing context-dependent errors in quantum processors
6/18/19ChrisProtecting quantum entanglement from qubit errors and leakage via repetitive parity measurements
6/11/19RebeccaGeneration and manipulation of Schrödinger cat states in Rydberg atom arrays
6/4/19CharlotteGigahertz frequency antiferromagnetic resonance and strong magnon-magnon coupling in the layered crystal CrCl3
5/28/19JochenA dissipatively stabilized Mott insulator of photons
5/21/19No journal club
5/14/19BharathDecoherence-free interaction between giant atoms in waveguide quantum electrodynamics
5/7/19AmiA fast, low-leakage, high-fidelity two-qubit gate for a programmable superconducting quantum computer
4/30/19MaxThe giant acoustic atom --- a single quantum system with a deterministic time delay
4/23/19AnttiQuantum metrology with a transmon qutrit
4/16/19LeonAn Experimental Study of Shor's Factoring Algorithm on IBM Q
4/9/19JoelGranular aluminum: A superconducting material for high impedance quantum circuits
4/2/19FranSupervised learning with quantum-enhanced feature spaces
(Undergrad and grad spring vacation)
GabrielGenuine 12-qubit entanglement on a superconducting quantum processor
3/19/19RoniDemonstration of protection of a superconducting qubit from energy decay
3/12/19No journal club
3/5/19No journal club (APS March Meeting)
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
(Monday class schedule)
Practice for March Meeting
Practice for March Meeting
2/5/19Kyle SerniakSeminar
1/29/19UwePractice for March Meeting
1/22/19No journal club
1/15/19No journal club
1/8/19BenUsing a recurrent neural network to reconstruct quantum dynamics of a superconducting qubit from physical observations
1/1/19No journal club (MIT closed)
12/25/18No journal club (MIT closed)
12/18/18Visitor, Baptiste RoyerQuantum non-demolition detection of traveling microwave photonsSeminar
12/11/18JochenThe high-coherence fluxonium qubit
12/4/18No journal club
11/27/18RoniUniversal gate for fixed-frequency qubits via a tunable bus
11/20/18MortenDigital quantum simulation of fermionic models with a superconducting
11/13/18AmiFluctuations of energy-relaxation times in superconducting qubits
11/6/18YoungkyuSuppression of qubit crosstalk in a tunable coupling superconducting circuit
10/23/18No journal club
10/16/18AmirVariational quantum factoring
Indigenous Peoples' Day (holiday for undergrad and grad)
DanWaveguide-mediated interaction of artificial atoms in the strong coupling regime
10/2/18Visitor, Adrián ParraSeminar
9/25/18GabrielExtending the computational reach of a noisy superconducting quantum processor
9/18/18UweResearch update - 30 min
9/11/18CharlotteObservation of the frozen charge of a Kondo
9/4/18MeganMicrowave dielectric loss at single photon energies and millikelvin temperatures
8/28/18Ana LauraAmplitude tuning of steady state entanglement in strongly driven coupled qubits
8/21/18BharathObservation of the crossover from photon ordering to delocalization in tunably coupled resonators
8/14/18JoelVoltage-controlled superconducting quantum bus
8/7/18BenUniversal quantum control through deep reinforcement learning
7/31/18N/AJournal club cancelled
7/24/18JochenEntangling bosonic modes via an engineered exchange interaction
7/17/18LukeCoherent microwave photon mediated coupling between a semiconductor and a superconductor qubit
7/10/18YoungkyuEstimate the accuracy threshold of surface code using numerical simulation
7/3/18UweStudying light-harvesting models with superconducting circuits
6/26/18JackExperimental Demonstration of a Resonator-Induced Phase Gate in a Multiqubit Circuit-QED System
6/19/18MortenIntroduction to topological superconductivity and Majorana fermions
6/12/18No journal club
6/5/18RoniRapid high-fidelity single-shot dispersive readout of superconducting qubits
5/29/18DanMeasuring entanglement entropy in a quantum many-body system
5/22/18BenMachine Learning for Discriminating Quantum Measurement Trajectories and Improving Readout
5/15/18Matteo Mariantoni, visitor
5/8/18BharathObservation of a Dissipative Phase Transition in a One-Dimensional Circuit QED Lattice
5/1/18UweUnsupervised Machine Learning on a Hybrid Quantum Computer by Rigetti's Startup
4/24/18YoungkyuImproved Simulation of Stabilizer Circuits
4/17/18AndreasDeterministic Bidirectional Communication and Remote Entanglement Generation Between Superconducting Quantum Processors
4/10/18Xiao Mi, visitorCircuit-QED with Silicon Quantum-Dot Qubits
4/3/18JoelEvolution of Nanowire Transmon Qubits and Their Coherence in a Magnetic Field
Ami3-qubit gates in superconducting qubits:
Realization of three-qubit quantum error correction with superconducting circuits;
Implementation of a Toffoli gate with superconducting circuits
Anton Frisk Kockum, visitorTalk topic TBD
N/AMIT closed (snow)
3/6/18No journal club (APS March Meeting)
Practice for March Meeting
Practice for March Meeting
2/20/18 *Monday schedule of classesJoel
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Practice for March Meeting
Multi-qubit simulation for Labber
1/23/18Morten1- and 2-qubit state tomography driver in Labber
1/16/18JackPrediction and real-time compensation of qubit decoherence via machine learning
1/9/18TimEvidence for quantum annealing with more than one hundred qubits
1/2/18No journal club (MIT closed)
12/26/17No journal club (MIT closed)
12/19/17BharathSpectroscopic signatures of localization with interacting photons in superconducting qubits
12/5/17PhilipQuantum-circuit refrigerator
11/28/17UweMultiqubit spectroscopy of Gaussian quantum noise
11/21/17CharlotteA valley–spin qubit in a carbon nanotube
11/14/17YoungkyuQubit Noise Spectroscopy for Non-Gaussian Dephasing Environments
11/7/17JoelObservation of Berry's Phase in a Solid-State Qubit
10/24/17BrianTunable superconducting qubits with flux-independent coherence
10/17/17AmiDirect identification of dilute surface spins on Al2O3: Origin of flux noise in quantum circuits
10/10/17 *extension of Columbus Day holidayMortenHardware-efficient variational quantum eigensolver for small molecules and quantum magnets
10/3/17JackCoupling an ensemble of electrons on superfluid helium to a superconducting circuit
9/26/17TimCharting the circuit QED design landscape using optimal control theory
9/19/17Diego Ristè, visitorDemonstrating elements of teleported gates with transmon qubits
9/13/17First week of classes/rescheduling, no Journal club
9/6/17PhilipDemonstration of weight-four parity measurements in the surface code Architecture
8/30/17DanQuantum back-action of an individual variable-strength measurement
8/16/17BharathChiral ground-state currents of interacting photons in a synthetic magnetic field
8/9/17CharlotteQuantum annealing with manufactured spins
8/2/17ThorvaldExperimental demonstration of fault-tolerant state preparation with superconducting qubits
7/19/17YoungkyuSimple pulses for elimination of leakage in weakly nonlinear qubits
7/12/17MeganQubit architecture with high coherence and fast tunable coupling
7/5/17Journal club cancelled
6/28/17JoelStabilizing Rabi oscillations in a superconducting qubit using quantum feedback
6/21/17FeiMapping the optimal route between two quantum states
6/14/17Journal club cancelled
6/7/17MoritzMillisecond charge-parity fluctuations and induced decoherence in a superconducting transmon qubit
5/31/17Nikolaj Thomas Zinner, visitor
5/24/17AmiPropagating phonons coupled to an artificial atom
5/17/17TimExtending the lifetime of a quantum bit with error correction in superconducting circuits
5/10/17MortenThe Steep Road Towards Robust and Universal Quantum Computation, and
5/3/17MortenThings I wish they told me about quantum error correction
4/26/17DanObservation of Dicke superradiance for two artificial atoms in a cavity with high decay rate
4/19/17JoelDeterministically Encoding Quantum Information Using 100-Photon Schrodinger Cat States
4/12/17FeiA schrödinger cat living in two boxes
4/5/17MoritzSuperconducting quantum circuits at the surface code threshold for fault tolerance
3/29/17MortenState preservation by repetitive error detection in a superconducting quantum circuit
3/22/17YoungkyuObservation of High Coherence in Josephson Junction Qubits Measured in a Three-Dimensional Circuit QED Architecture
3/15/17APS March Meeting, no Journal club
3/8/17AmiCoherent suppression of electromagnetic dissipation due to superconducting quasiparticles
3/1/17TerryQuantum circuits overview
2/22/17BharathObservation of quantum jumps in a superconducting artificial atom
2/15/17DanDemonstration of two-qubit algorithms with a superconducting quantum processor
2/8/17JoelFluxonium: Single cooper-pair circuit free of charge offsets
2/1/17MortenGeneration of fock states in a superconducting quantum circuit
1/25/17MeganControlling the spontaneous emission of a superconducting transmon qubit
1/18/17YoungkyuQuantum coherent tunable coupling of superconducting qubits
1/11/17AmiCoupling superconducting qubits via a cavity bus
12/14/16PhilipResolving photon number states in a superconducting circuit
12/7/16TerryQuantum circuits overview
11/30/16BharathMeasurement of the entanglement of two superconducting qubits via state tomography
11/23/16Thanksgiving, no Journal Club
11/16/16DanStrong coupling of a single photon to a superconducting qubit using circuit quantum electrodynamics
11/9/16MoritzCoherent quantum dynamics of a superconducting flux qubit
11/2/16FeiCoherent control of macroscopic quantum states in a single-cooper-pair box
10/26/16WillNoise spectroscopy through dynamical decoupling with a superconducting flux qubit
10/19/16SimonObservation of classical-quantum crossover of 1/f flux noise and its paramagnetic temperature dependence