Quantum Paper Club

The Quantum Paper Club is organized by students for students. Its goal is to expose the students interested in Quantum Engineering to the research done in the field. More than this, it is a formidable platform to practice public scientific speaking.

The Quantum Paper Club usually is on Thursdays at 18:30. For participation contact Moritz (moritzfo@student.ethz.ch).

Everybody is welcome to join!

This week

13.05.2021

Generation of Nonclassical Motional States of a Trapped Atom

We report the creation of thermal, Fock, coherent, and squeezed states of motion of a harmonically bound 9Be1 ion. The last three states are coherently prepared from an ion which has been initially laser cooled to the zero point of motion. The ion is trapped in the regime where the coupling between its motional and internal states, due to applied (classical) radiation, can be described by a Jaynes- Cummings-type interaction. With this coupling, the evolution of the internal atomic state provides a signature of the number state distribution of the motion.

Last topics

DateTopicPresenterLink to reference
03.06.2021A gate-tunable, field-compatible fluxoniumMarta Pita Vidal (TU Delft)Link
27.05.2021Qiskit Pulse: Programming Quantum Computers Through the Cloud with PulsesCaroline TornowLink
20.05.2021Quantum Architecture Search via Deep Reinforcement LearningKristina KirovaLink
13.05.2021Generation of Nonclassical Motional States of a Trapped AtomMoritz Fontboté SchmidtLink
06.05.2021Quantum acoustics with superconducting qubitsAlessandro Bruno Link
29.04.2021Chiral Quantum OpticsChaoxin DingLink
15.04.2021Quantum error correction of a qubit encoded in grid states of an oscillatorAlec Eickbusch (PhD student at Prof. Devoret’s Qulab at Yale University)Link
01.04.2021A four-qubit germanium quantum processorIvan RojkovLink
25.03.2021Predicting many properties of a quantum system
from very few measurements
Ivan RojkovLink
18.03.2021A network-ready random-access qubits memoryStefano MartiLink
11.03.2021How to put quantum particles on magic bullet trajectories that can hit two targets without a clear line-of-sightIvan RojkovLink
02.03.2021SpinQ Gemini: a desktop quantum computer for education and researchMoritz Fontboté SchmidtLink
23.02.2021Strongly correlated Fermions strongly coupled to lightProf. Jean-Philippe Brantut (EPFL)Laboratory for Quantum Gases
08.12.2020Error correction of a logical grid state qubit by dissipative pumpingIvan Rojkov &
Moritz Fontboté Schmidt
Link
1.12.2020Observation of coherent optical information storage in anatomic medium using halted light pulsesMoritz Fontboté SchmidtLink
24.11.2020Quantum memories for photonsDr. Mikael AfzeliusQuantum Repeaters & Memories
17.11.2020Measurement of subpicosecond time intervals between two photons by interferenceMoritz Fontboté Schmidt Link
10.11.2020Quantum-dot spin–photon entanglement via frequency downconversion to telecom wavelengthMarco StuckiLink
03.11.2020Observation of entanglement between a quantum dot spin and a single photonChaoxin DingLink
27.10.2020An introduction to Pound–Drever–Hall laser frequency stabilization Moritz Fontbote Schmidt &
Benjamin van Ommen
Link
20.10.2020Cavity Quantum Electrodynamics at Arbitrary Light-Matter Coupling StrengthsAlperen TügenLink
13.10.2020Architecture for a large-scale ion-trapquantum computerIvan RojkovLink
06.10.2020Interaction-assisted reversal of thermopower with ultracold atoms Moritz Fontbote SchmidtLink
29.09.2020Charge Insensitive Qubit Design derived from the Cooper Pair BoxMoritz Fontbote Schmidt Link
22.09.2020Hartree-Fock on a superconducting qubit quantum computerIvan RojkovLink
21.07.2020Generation of entangled photon states in optical down-conversion and up-conversion processes.Sahnawaz Alam (MSc in Physics at Indian Institute of Technology Gandhinagar)
07.07.2020From nanotech to living sensors:unraveling the spin physics of biosensing at the nanoscaleProf. Clarice D. Aiello (Assistant professor at UCLA and head of the Quantum Biology Tech (QuBiT) Lab )
30.06.2020Direct Measurement of the Density Matrix of a Quantum SystemAlperen TügenPaper
23.06.2020Proof-of-concept proposal for machine learning using superconducting qubits (Master Thesis)Colin ScaratoContact speaker
16.06.2020Normal-Mode Splitting in a Weakly Coupled Optomechanical System Francesco AdinolfiPaper
09.06.2020Optimal cooling of a spin-boson systemEmanuel Malvetti (Semester thesis)Contact speaker
02.06.2020Direct measurement of the Zak phase in topological Bloch bandsBenjamin van OmmenPaper
26.05.2020Ramsey interferometry with dissipative quantum error correctionIvan Rojkov (Semester thesis)Contact speaker
19.05.2020Cavity-Based 3D Cooling of a Levitated Nanoparticle via Coherent ScatteringDominik Windey (Phd Student in the Novotny/Photonics group)Paper, PDF of presentation
12.05.2020Integrated optical multi-ion quantum logicChi Zhang (PhD student in the Home/TIQIgroup)Paper
05.05.2020Topological Quantum ComputingOriel KissLecture notes by Preskill
28.04.2020Remote quantum entanglement between two micromechanical oscillatorsMarco StuckiPaper
21.04.2020Non-classical correlations between single photons and phonons from a mechanical oscillatorChaoxin DingPaper
15.04.2020Reinforcement Learning in Different Phases of Quantum ControlPedro RossoPaper
08.04.2020Cavity-Assisted Quantum Bath EngineeringMoritz Fontboté SchmidtPaper
1.04.2020Error-mitigated quantum gates exceeding physical fidelities in a trapped-ion systemMoritz Fontboté SchmidtPaper
(Corona-break)
10.03.2020To catch and reverse a quantum jump mid flightAlperen TugenPaper
02.03.2020Entanglement of two quantum memories via fibres over dozens of kilometresMoritz Fontboté SchmidtPaper
25.02.2020Atom-by-atom assembly of defect-free one-dimensional cold atom arraysYongxin SongPaper
18.02.2020Fast two-qubit logic with holes in GermaniumMoritz Fontboté SchmidtPaper
17.12.19How often should you beat your kids?Moritz Fontboté SchmidtPaper
10.12.2019Single-Shot Quantum Nondemolition Detection of Individual Itinerant Microwave PhotonsMoritz Fontboté SchmidtPaper
03.12.2019Universal Gate for Fixed-Frequency Qubits via a Tunable BusMoritz Fontboté SchmidtPaper
26.11.2019Ultracold and unreactive fermionic molucules and A degenerate Fermi gas of polar MoleculesMarit FiechterPaper and Paper
19.11.2019Measurement of subpicosecond time intervals between two photons by interferenceMoritz Fontboté SchmidtPaper
12.11.2019Towards fault-tolerant quantum computing with trapped ionsMoritz Fontboté SchmidtPaper
05.11.2019Quantum Computations with Cold Trapped IonsMoritz Fontboté SchmidtPaper
29.10.2019Nanoscale imaging magnetometry with diamond spins under ambient conditionsAlperen Tügen, Moritz Fontboté SchmidtPaper
22.10.2019Charge Insensitive qubit design derived from the cooper pair boxBenjamin Van Ommen, Alperen Tugen, Moritz Fontboté SchmidtPaper

If not noted otherwise, presenters were ETH students.