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| || 2021 Aug 20 || Koji || [[https://arxiv.org/abs/0911.3470]]|| [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.104.080602|Nonequilibrium Fluctuation Relations in a Quantum Coherent Conductor]][[attachment:HigerOrderFluctuation.pptx|PPT]]|| 9 || | || 2026 Mar 6 || Chris || [[https://spectrum.ieee.org/no-cloning-workaround|“No-cloning” Workaround Could Enable Quantum Cloud]] || [[https://doi.org/10.1103/y4y1-1ll6|Encrypted Qubits Can Be Cloned]] || || || 2026 January 23|| Daniel || [[https://arxiv.org/abs/2307.07536 | ArXiV: Relaxation of experimental parameters in a Quantum-Gravity Induced Entanglement of Masses Protocol using electromagnetic screening]]|| [[https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.5.043170 | Accepted link: Relaxation of experimental parameters in a Quantum-Gravity Induced Entanglement of Masses Protocol using electromagnetic screening]] || || || 2025 Dec 9 || Briana || [[https://doi.org/10.1103/PhysRevLett.133.243403|Robust Quantum Control via Multipath Interference for Thousandfold Phase Amplification in a Resonant Atom Interferometer]] || [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.243403]] || || || 2025 Oct 24 || Chris || [[https://doi.org/10.48550/arXiv.1409.2940|Measurement-based noiseless linear amplification for quantum communication]] || [[https://doi.org/10.1038/nphoton.2014.49|Nature Photonics 8 333 (2014)]] || || || 2025 September 11|| Daniel || [[https://arxiv.org/abs/2502.10221 | ArXiV: Stimulated emission or absorption of gravitons by light]]|| [[https://journals.aps.org/prl/accepted/67070Y95P6e1459836fc9593677cd4883ae24e68d | Accepted link: Stimulated emission or absorption of gravitons by light]] || || || 2025 Aug 15 || Koji || [[https://arxiv.org/abs/2508.00503 | Using tunable coherence for reaching micrometer coherence lengths and suppressing stray light in a power-recycled Michelson interferometer]]|| || || || 2025 Jun 27 || Chris || || [[https://doi.org/10.1088/0031-8949/91/7/073007|Quantum simulations in phase-space: from quantum optics to ultra-cold physics]] || || || 2025 May 16|| Daniel || [[https://arxiv.org/abs/2410.21787 | ArXiV: Merging L-shaped resonator with Michelson configuration for kilohertz gravitational-wave detection]]|| [[https://journals.aps.org/prd/abstract/10.1103/PhysRevD.111.084082 | Published: Merging L-shaped resonator with Michelson configuration for kilohertz gravitational-wave detection]] || || || 2025 Apr 18 || Koji || [[https://arxiv.org/abs/2309.09759 | Pound–Drever–Hall feedforward: laser phase noise suppression beyond feedback]]|| [[https://doi.org/10.1364/OPTICA.516838]] || || || 2025 Apr 11|| Daniel || [[https://arxiv.org/abs/2308.15440 | ArXiV: Detecting single gravitons with quantum sensing]]|| [[https://www.nature.com/articles/s41467-024-51420-8 | Published: Detecting single gravitons with quantum sensing]] || || || 2025 Mar 7 || Chris || [[https://news.mit.edu/2024/how-light-can-vaporize-water-without-heat-0423|How light can vaporize water without heat]] [[https://spectrum.ieee.org/best-semiconductor-boron-arsenide|Is This the Best Semiconductor Ever Found?]] || [[https://doi.org/10.1115/1.4066899|Reflections on My Research in Heat and Energy]] || || || 2025 Jan 17|| Radhika || SU(1,1) interferometry || [[https://journals.aps.org/pra/abstract/10.1103/PhysRevA.33.4033 | The first theoretical proposal for SU(1,1) interferometry]][[https://pubs.aip.org/aip/apl/article/99/1/011110/237807/Realization-of-a-nonlinear-interferometer-with | The first experimental realization ]][[https://opg.optica.org/ol/abstract.cfm?uri=ol-43-5-1051 | Demonstration of 3dB improvement in phase sensitivity over Mach-Zehnder ]] || || || 2025 Jan 10|| Paco || [[https://physics.aps.org/articles/v17/179 | Gravitational Metrological Triangle ]]|| https://doi.org/10.1103/PhysRevLett.133.241402 || Zoom || || 2024 Dec 6|| Koji || [[https://dcc.ligo.org/P2400554/ | DCC P2400554: Tunable coherence laser interferometry: demonstrating 40dB of straylight suppression and compatibility with resonant optical cavities ]]|| [[https://arxiv.org/abs/2501.11528 | arxiv]] [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.134.213802 | PRL published]] || || || 2024 Nov 22|| Aaron || [[https://arxiv.org/abs/2409.08112 | arxiv (Sep 2024): Review of Recent Advances in Gaussian Process Regression Methods ]]|| [[https://link.springer.com/chapter/10.1007/978-3-031-55568-8_19 | Advances in Intelligent Systems and Computing (May 2024): same title ]] || || || 2024 Nov 15|| Daniel || [[https://arxiv.org/abs/2405.07350 | ArXiV: Experimental Demonstration of a Versatile and Scalable Scheme for Iterative Generation of Non-Gaussian States of Light ]]|| [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.173603 | Published: Experimental Demonstration of a Versatile and Scalable Scheme for Iterative Generation of Non-Gaussian States of Light]] || || || 2024 Sep 13 || Alex|| [[https://journals.aps.org/prapplied/pdf/10.1103/PhysRevApplied.22.014024]] || [[http://dx.doi.org/10.1103/PhysRevApplied.22.014024|Electrical trace analysis of superconducting nanowire photon-number-resolving detectors]] || || || 2024 Sep 6 || Alex|| || || || || 2024 Aug 30 || Lee || || || || || 2024 Aug 23 || Chris || [[https://web.stanford.edu/~boyd/papers/CAD_lc.html]] || [[https://doi.org/10.1109/9.404|A New CAD Method and Associated Architectures for Linear Controllers]] || || || 2024 Aug 9|| Aaron (standing in for Paco) || [[https://www.nature.com/articles/s41566-024-01455-6 | Multicolour stretchable perovskite electroluminescent devices for user-interactive displays ]]|| || || || 2024 July 19|| Daniel || [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.133.023602 | Mechanical Detection of Nuclear Decays ]]|| || || || 2024 July 19|| Jeff || [[https://opg.optica.org/oe/fulltext.cfm?uri=oe-21-15-18371&id=259652 | Squeezed light in an optical parametric oscillator network with coherent feedback quantum control ]]|| || || || 2024 Jun 21 || Radhika || || || || || 2024 Jun 14 || Aaron GJ || [[https://medium.com/quantum-untangled/quantum-key-distribution-and-bb84-protocol-6f03cc6263c5 | Medium BB84 QKD Article]] || [[https://pubs.aip.org/aip/app/article/4/6/060902/123159/Toward-large-scale-fault-tolerant-universal | Toward large-scale fault-tolerant universal photonic quantum computing ]] || || || 2024 Jun 7 || Sander || [[https://arxiv.org/abs/2311.06335]] || [[https://arxiv.org/abs/2311.06335 | Observing supermassive black holes with deci-Hz gravitational-wave detectors]] || || || 2024 May 31 || Alex || || || || || 2024 May 24 || Lee || || || || || 2024 May 17 || Chris || [[https://focus.science.ubc.ca/an-ai-powered-revolution-in-clean-energy-chemistry-a721d7168bbe|An AI-powered revolution in clean energy chemistry]] || [[https://doi.org/10.1557/s43577-023-00476-w|How to build an effective self-driving laboratory]] || || || 2024 May 10 || Ian || [[https://arxiv.org/pdf/2404.07524]] || [[https://arxiv.org/pdf/2404.07524| Photon Counting Interferometry to Detect Geontropic Space-Time Fluctuations with GQuEST]] || || || 2024 May 3 || Paco || [[https://arxiv.org/abs/2404.12311|arxXiv:2404.12311]] || [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.132.182501| Laser Excitation of the Th-229 Nucleus]] || || || 2024 APr 26 || Koji || [[https://doi.org/10.1364/OL.500684]] || [[https://doi.org/10.1364/OL.500684 | Multiple beam coherent combination via an optical ring resonator]] || || || 2024 Mar 29 || Yuta || [[https://arxiv.org/abs/2403.15752|arxXiv:2403.15752]] || [[https://doi.org/10.1103/PhysRevLett.132.123601| Measurement of the Earth Tides with a Diamagnetic-Levitated Micro-Oscillator at Room Temperature, PRL 132, 123601 (2024)]] || || || 2024 Mar 22 || Shruti || [[https://www.nature.com/articles/s41467-019-10024-3| Optical backaction-evading measurement of a mechanical oscillator]] || || || || 2024 Feb 9 || Chris || [[https://www.earthmagazine.org/article/sounding-out-earths-hum/|Sounding Out Earth's Hum]] [[https://doi.org/10.1038/news.2008.422|Ocean 'hum' hotspot located]] || [[https://doi.org/10.1098/rspa.2007.0277|The origin of deep ocean microseisms in the North Atlantic Ocean, Proc. R. Soc. A. 464, 777 (2008)]] || || || 2024 Jan 26 || Aaron || [[https://arxiv.org/abs/1711.10459 | Distributed Quantum Sensing Using Continuous-Variable Multipartite Entanglement]] || [[https://journals.aps.org/pra/abstract/10.1103/PhysRevA.97.032329|Distributed quantum sensing using continuous-variable multipartite entanglement]] || || || 2023 Oct 27 || Paco || [[https://arxiv.org/abs/2112.06190 | Floquet spin amplification]] || [[https://doi.org/10.1103/PhysRevLett.128.233201 |Phys. Rev. Lett 128, 233201]] || || || 2023 Sep 22 || Koji || [[https://arxiv.org/abs/2308.09083 | Charging capacitors from thermal fluctuations using diodes]] || [[https://doi.org/10.1103/PhysRevE.108.024130 |Phys. Rev. E 108, 024130]] || || || 2023 Aug 18 || Yuta ||[[https://arxiv.org/abs/1906.08808|Observable quantum entanglement due to gravity]] and [[https://doi.org/10.1088/1367-2630/abf3eb|Decoherence effects in non-classicality tests of gravity]] || [[https://doi.org/10.1038/s41534-020-0243-y|npj Quantum Information 6, 12 (2020)]] || || || 2023 Jul 28 || Chris ||[[https://arxiv.org/abs/2203.15931|Micro-fabricated mirrors with finesse exceeding one million]] || [[https://doi.org/10.1364/OPTICA.467440|Optica 9, 965 (2022)]] || || || 2023 Mar 24 || Shruti ||[[https://arxiv.org/abs/2107.09582]] || [[https://www.nature.com/articles/s41586-022-05329-1 | A photonic integrated continuous-travelling-wave parametric amplifier]] || || || 2023 Feb 3 || Ian || || [[https://ieeexplore.ieee.org/document/29425 | State-space solutions to standard H_2 and H_inf control problems]] || || || 2022 Nov 18 || Yuta || || [[https://doi.org/10.1103/PhysRevLett.129.031101 | 10 dB Quantum-Enhanced Michelson Interferometer with Balanced Homodyne Detection]] || || || 2022 Nov 11 || Anchal || || [[https://doi.org/10.1364/OME.5.001890 | Epitaxial growth of GaP/AlGaP]] [[https://doi.org/10.1088/0264-9381/32/3/035002 | mechanical loss of GaP/AlGaP]] || || || 2022 Nov 4 || Rana || [[https://arxiv.org/abs/2210.15671 | Excess Noise in AlGaAs Coatings]] || || so many || || 2022 Oct 21 || Chris || [[https://www.daedalus.caltech.edu/files/2018/05/Materials-challneges-for-Starshot-lightsail.pdf|Materials challenges for the Starshot lightsail]] [[https://phys.org/news/2018-06-starshot-qa-harry-atwater.html|Building the Starshot sail: A Q&A with Harry Atwater]]|| [[https://doi.org/10.1038/s41563-018-0075-8|Nature Mater 17, 861 (2018)]] || || || 2022 Sep 9 || Paco || [[https://arxiv.org/pdf/2207.14371.pdf | Generation of entanglement from mechanical rotation ]] || || || || 2022 Jul 8 || Aaron || || [[ https://www.nature.com/articles/s41567-021-01498-4 | Strained crystalline nanomechanical resonators with quality factors above 10 billion]] || || || 2022 Jun 3 || Yehonathan || || [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.128.170503|Protocol for Generating Optical Gottesman-Kitaev-Preskill States with Cavity QED]]|| || || 2022 May 20 || Yuta || [[https://arxiv.org/abs/1906.06018]] || [[https://iopscience.iop.org/article/10.1088/1475-7516/2021/11/008|Stellar interferometry for gravitational waves JCAP11(2021)008]]|| || || 2022 May 06 || Shruti || https://arxiv.org/abs/2201.06185 || [[https://opg.optica.org/oe/fulltext.cfm?uri=oe-30-9-14161&id=471332| Generation of Schrödinger cat states with Wigner negativity using a continuous-wave low-loss waveguide optical parametric amplifier]]|| || || 2022 Apr 21 || Paco || [[https://www.pnas.org/doi/pdf/10.1073/pnas.1517384113|Discovering governing equations from data by sparse identification of nonlinear dynamical systems]] || [[https://www.pnas.org/doi/pdf/10.1073/pnas.1517384113|PNAS (2015)]] ||10-ish || || 2022 Apr 7 || Chris || [[https://arxiv.org/abs/2201.08748|Estimate of the carbon footprint of astronomical research infrastructures]] || [[https://doi.org/10.1038/s41550-022-01612-3|Nature Astronomy (2022)]] || || || 2022 Mar 25 || Alan || [[https://arxiv.org/pdf/2107.04601.pdf]] and [[https://physics.aps.org/articles/v15/34]]|| [[https://doi.org/10.1103/PhysRevLett.128.101103|Bridging the µHz gap in the gravitational-wave landscape with binary resonance]] || || || 2022 Feb 18 || Hang || [[https://arxiv.org/abs/1712.09719]] and [[https://phys.org/news/2022-03-moon-orbit-gravitational-detector.html]]|| [[https://iopscience.iop.org/article/10.1088/1361-6382/ab368c|Systematic calibration error requirements for gravitational-wave detectors via the Cramér-Rao bound]] and N/A|| || || 2021 Jan 28 || Aaron || [[]] || [[https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.3.043098| Gravitational wave sensors based on superconducting transducers]]|| || || 2021 Oct 14 || Aaron || [[https://arxiv.org/abs/2102.05859]] || [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.127.071102| Rare Events Detected with a Bulk Acoustic Wave High Frequency Gravitational Wave Antenna]]|| || || 2021 Sep 24 || Hang || [[https://arxiv.org/abs/1702.03329]] || [[https://journals.aps.org/pra/abstract/10.1103/PhysRevA.95.043831|Quantum correlation measurements in interferometric gravitational-wave detectors]]|| || || 2021 Aug 20 || Koji || [[https://arxiv.org/abs/0911.3470]] [[attachment:HigerOrderFluctuation.pptx|[Presentation PPT] ]]|| [[https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.104.080602|Nonequilibrium Fluctuation Relations in a Quantum Coherent Conductor]]|| 9 || |
The LIGO journal club usually meets at 3:00PM on Fridays on 2nd floor of W Bridge (room 265). We meet to discuss a recent journal article from PRL, ApJ or the like. Someone is designated as a lead, to initiate the discussion, but not to present slides or give a monologue. The lead should also post a link to the article the Tuesday before meeting in the Meetings and papers section below.
Preferably, selected articles won't be exceptionally long, and would relate (at least tangentially) to LIGO.
You will be emailed by the journal club Tsar two weeks out from your date and again a week out. The rotating roster can be found at HERE
Pandemic Time Zoom Meetings
This is the recurring zoom link for our virtual Journal Clubs, still at 3 PM on Fridays: https://caltech.zoom.us/j/620707875?pwd=cW9VTkRNMi93aGErOG8xU0tzNzVPUT09
Mailing List
To send emails to everyone: ligo-journal-club@caltech.edu
Click here to subscribe
Zotero
Our group library on Zotero can be used for adding the Journal Club papers (in the JC folder). You can click the link and request to be added to our group library where we put useful papers.
Meetings and papers
Journal club roster 2018
You can find an ordered list of upcoming presenters HERE. The JCTsar script will chose people in this order.
If you find you can't do a week that you are assigned to then find someone willing to trade and update that spreadsheet.
Highlighted papers pool
If we are short of a presenter we will draw something from this list of papers. If you find any papers that would be interesting to discuss at future journal club meetings, then you should add them to the list on the following page:
Older papers on this list can be found in the Interesting papers (archive) page.
Chooser script (Updated python)
https://github.com/fincle/RoboTsar
The python script TsarMailer.py downloads the google spreadsheet list. This sheet contains an ordered list of names and a list of public holidays to veto. It counts the number of days since the start of the year, vetoing public holidays and chooses presenters sequentially from the list. The scripts loops back to the beginning once the end is reached. An arbitrary phase shift is also added to the week number so that the list position can be twiddled in the event the presenter list length changes and position needs to be fixed.
If a swap of names is performed leaving the list length the same there is no need to adjust the phase factor.
Three other scripts exist to remind the presenter to post a paper and to remind people on the day.
Reorganization and topics
We are looking to shake up the structure of journal club by focusing attention on singular themes for month periods. The idea is to develop a deeper understanding of each topic rather than dipping into topics at random.
Please edit this section with any ideas and suggestions as we figure out exactly what we are going to cover.
Some suggested themes Experimental: - Thermal noise topics - Quantum mechanics in GW detectors and optimal detector design - Seismic cloaking and novel 'feed forward' reduction of seismic noise - Alternaive GW detectors (i.e. not laser interferometry)
Data and astrophysics: - GW sources and astrophysics of a particular class of stars (i.e. Kilonovae, pulsars etc) - Cosmology and GW detection topic (GW CMB, early universe remnants?) - Exotic blackhole high energy physics coming out of GW detection - Glitches and detector characterization (machine learning stuff too?) - Bayesian statistics and optimal parameter extraction
Other: - Effective outreach and evidence based teaching - Diversity in physics