Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T10:12:11.539563Z
Paper Citation Record · LEDGER
As of 14 August 2026, this Paper Citation Record lists 61 of 61 outbound references and 1 inbound Pith citation observation for arXiv:2508.00455.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T10:12:11.539563Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-14T06:32:32.682623+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-07-09T10:53:58.959287Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-09T10:56:11.257488Z
61 of 61 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 5552a272-cb05-4ca5-9483-52236e411d9f · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Kawashima, M
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation cca8f45a-9e74-4258-8ecf-67d57746bd25 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Krausz and M
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5765db9d-09bd-4fb2-9f6b-8399be33aa1d · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 08575d17-7fd9-4e84-869f-3f84277de1f7 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Geloni, Self-seeded free-electron lasers, inSynchrotron Light Sources and Free-Electron Lasers(Springer Inter- national Publishing, 2016) pp
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 7564e1d7-df4b-47ab-bb07-8ff3d599606a · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Reicheet al., A perfect X-ray beam splitter and its applications to time-domain interferometry and quantum optics exploiting free-electron lasers, Proc
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 4a258a1a-b899-4af9-923c-2f5d91779d98 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Emmaet al., Experimental demonstration of fresh bunch self-seeding in an X-ray free electron laser, Appl
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation dba7af87-15e8-471e-9962-389fff89a002 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Emmaet al., Femtosecond and subfemtosecond X-ray pulses from a self-amplified spontaneous-emission–based free-electron laser, Phys
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 47f03fb8-f490-450a-9db9-66bdab3415c0 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Emmaet al., Experimental demonstration of energy- chirp control in relativistic electron bunches using a cor- rugated pipe, Phys
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d4579778-203c-46f8-a636-8e12789c6af4 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Ippenet al., Passive mode locking of the cw dye laser, Appl
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation c296466d-d306-4613-8f62-da53c1bf8e4e · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Beckeret al., Harmonic mode locking of the Nd:YAG laser, IEEE J
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 8c71f341-13de-4215-bcf9-f1f10d44e32f · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Keller,Ultrafast Lasers: A Comprehensive Introduc- tion to Fundamental Principles with Practical Applica- tions, Graduate Texts in Physics (Springer International Publishing, 2022)
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 81830bb3-1610-40c7-a52b-950c2f128dff · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 3e2a1017-5a2d-474c-858f-327879adf156 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Pupezaet al., Extreme-ultraviolet frequency combs for precision metrology and attosecond science, Nat
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation bc399f5e-76d8-4e0f-b5e0-44548e02e50c · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Zhanget al., Generation of intense phase-stable fem- tosecond hard X-ray pulse pairs, Proc
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation fba0f401-cc95-42d0-b806-5e260be4ce4d · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e7a39f2d-f456-41ba-bd5a-4d333b492638 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Morgenweget al., Ramsey-comb spectroscopy with in- tense ultrashort laser pulses, Nat
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation cb9837be-8894-4d7a-878b-6722432e1504 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Wituscheket al., Tracking attosecond electronic co- herences using phase-manipulated extreme ultraviolet pulses, Nat
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation db1d4da0-1c8b-4028-80b9-a63304345b5b · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Spangenberg, P
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 5055da8e-347c-4a86-9b3c-adea74bb8dea · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation f76e84e3-309d-4f83-aeee-443fe6da6429 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation f22e02bc-cf71-4b0c-9598-6eeb9eae4030 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 24710ef8-b077-4af6-aa6b-84b28a1ecf42 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Greenlandet al., Coherent control of Rydberg states in silicon, Nature465, 1057—1061 (2010)
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d9d774e4-a43e-45e0-bf6a-31a46b423143 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Nandiet al., Observation of Rabi dynamics with a short-wavelength free-electron laser, Nature608, 488 (2022)
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation b17c717c-efc3-453b-ab27-7c1df0a899ab · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Nandiet al., Generation of entanglement using a short-wavelength seeded free-electron laser, Sci
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 61bdea27-31b2-49b5-9063-923b8aedfb36 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser St¨ ohr and A
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 98ec346f-9864-4b6a-8d52-ff2fad3e822e · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Wuet al., Elimination of X-ray diffraction through stimulated X-ray transmission, Phys
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 30241ecd-29b3-4471-b772-383d1c66a062 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Chenet al., Ultrafast self-induced X-ray transparency and loss of magnetic diffraction, Phys
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 1e0db143-8e18-4a2d-ad3e-45b77f5b2110 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Pellegriniet al., The physics of X-ray free-electron lasers, Rev
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 675f8c5e-0bdd-48a4-a6a6-0f3dbef8ac55 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 1d2b3f95-3a2b-4613-92d7-8178f872fe6b · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Huang, H
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 1f5c9eb7-67ee-4202-8ebf-c40025f985a9 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Gauthieret al., Generation of phase-locked pulses from a seeded free-electron laser, Phys
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 5c11765c-4b8b-4d08-8b08-4741d330440c · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d5c182f5-535f-4b2f-8f19-ca7401634660 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 5e004b11-2c5f-45ba-aa89-38a8299cce07 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Pratet al., An X-ray free-electron laser with a highly configurable undulator and integrated chicanes for tai- lored pulse properties, Nat
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation b41df22e-0006-47ca-a9bf-7d567df08520 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Pratet al., Experimental demonstration of mode- coupled and high-brightness self-amplified spontaneous emission in an X-ray free-electron laser, Phys
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 79099f66-b655-430b-9fc7-003707a425ba · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Feldhauset al., Possible application of X-ray optical elements for reducing the spectral bandwidth of an X-ray SASE FEL, Opt
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation f302ad66-44f7-40ae-99a4-47322452f459 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Geloniet al., A novel self-seeding scheme for hard X-ray FELs, J
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 266e1769-11f4-45e1-a34c-24e89e7cd201 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Amannet al., Demonstration of self-seeding in a hard- X-ray free-electron laser, Nat
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 78fabc7d-7d87-4e56-8792-f293acb8642c · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Ratneret al., Experimental demonstration of a soft X- ray self-seeded free-electron laser, Phys
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 411c89ad-6eb1-40ad-a7c2-82904721928c · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Liuet al., Cascaded hard X-ray self-seeded free- electron laser at megahertz repetition rate, Nat
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 56b6dcbe-fdf3-4ad2-a18d-379362efaf5a · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Dijkstalet al., Demonstration of two-color X-ray free- electron laser pulses with a sextupole magnet, Phys
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 8fdf9494-2e69-4979-9f95-13394a491bb2 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Kanget al., Hard X-ray free-electron laser with femtosecond-scale timing jitter, Nat
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 291971db-76e0-41b8-bfe1-5e44c23f56c9 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Kimet al., Hard X-ray single-shot spectrometer of PAL-XFEL, J
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 74860381-15e5-49c5-9d20-02346da907b3 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Namet al., High-brightness self-seeded X-ray free- electron laser covering the 3.5 kev to 14.6 kev range, Nat
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation f628ba2c-2530-46a1-8b6d-7b344b8680f2 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation de4ced20-aefc-41aa-a38c-07aa42ec467d · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Minet al., Hard X-ray self-seeding commissioning at PAL-XFEL, J
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation ca936a43-faf7-45d1-b700-16f19b65fe13 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Inoueet al., Generation of narrow-band X-ray free- electron laser via reflection self-seeding, Nat
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 3078927b-f0fb-44ad-a098-989fa595f4bf · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Longet al., Control of bandwidth and signal-to-noise ratio for hard-x-ray self-seeded free-electron lasers, Phys
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation b9e2d96a-6cd9-41fd-8e15-853dbec5ec34 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 2f2aa2cd-5f51-4df0-9c83-ec98f985b1a2 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Kimet al., Development of the nanobeam X-ray exper- iments instrument at PAL-XFEL, J
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 66b2ecdb-4ecc-4f8c-afe8-dbce30d12a4b · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Hartmannet al., Attosecond time–energy structure of X-ray free-electron laser pulses, Nat
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 80ee15e8-77cd-4daa-b65d-71d1e00ca93d · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Cesaret al., Electron beam shaping via laser heater temporal shaping, Phys
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation d73dbb91-451f-4542-84cc-40334ad3e4e9 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Kanget al., FEL performance achieved at PAL- XFEL using a three-chicane bunch compression scheme, J
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation ae29c3b1-ca12-40be-8eb7-57236292e02f · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Baneet al., Analytical formulas for short bunch wakes in a flat dechirper, Phys
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation c10af82a-0eda-45b1-8ea2-ef63b4f5ebb2 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Unresolved cited work
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 55f63a13-3c07-4523-8c9d-da072e3f1c15 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Loos, Operational experience at LCLS, inProc
Reference 56
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation ac765104-fa4b-41e0-bdef-6bcbba43d862 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Borland,elegant: A Flexible SDDS-Compliant Code for Accelerator Simulation, Tech
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 898a60d4-27d4-4068-ae7a-431ca314f7d0 · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Reiche, GENESIS 1.3: a fully 3D time-dependent FEL simulation code, Nucl
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation a99dccea-0f51-42eb-8dcf-0bfaf140434e · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser At PAL-XFEL, the gain curve is measured by recording the final electron beam energy while disabling the FEL process at various points along the undulator beamline [56], i.e
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 204d2153-0155-4741-a711-4eac7a97526d · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser Thus, the current profile of the unspoiled FIG
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation 25f33ac3-fa66-4ed4-89a6-818b359db9ca · outbound
Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser (9), from the mea- surement shown in Figs
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.
Observation ebf3dd02-6e12-44c6-9f0d-2ed71a08cc85 · inbound
Phase-Programmable Free Electron Quantum States in Synthetic Momentum Space Tunable, phase-locked hard X-ray pulse sequences generated by a free-electron laser
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-14T06:32:32.682623+00:00.