Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T11:03:38.883759Z
Paper Citation Record · LEDGER
As of 22 August 2026, this Paper Citation Record lists 47 of 47 outbound references and 0 inbound Pith citation observations for arXiv:2504.16731.
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 2026-08-16T11:03:38.883759Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-22T06:32:14.747728+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
47 of 47 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 35fb9bf5-dbfe-4554-b88e-074da61d8144 · outbound
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation dcc57d36-8a29-4902-9001-97d2e2600e42 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 94ed7e28-c7a2-4386-8097-f9d48d6a945a · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation a9cda803-f1c5-4836-bc34-ce6e59cbba0b · outbound
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 0a409901-32fe-43fe-bcd8-553333509cb9 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3aff3729-a74e-4dd2-828b-4e41c0d53103 · outbound
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 3ce2f170-f9a6-4c62-8495-4408ff8b9b18 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 115e5755-861a-4dac-bb90-f769fbb51bf4 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation f73abfc7-fb7a-4af8-b265-4372b8c92aa3 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation ef1360e4-9591-4182-95d1-baee5db6c2a1 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation c03190d9-f715-4c14-9bc5-9f89f65bac67 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation c75184c5-5255-4854-a4d9-d19b6ab6a4da · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4dc357df-650b-43f4-affe-8ee49030d842 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4e7d2d79-69ef-4b61-9dfa-34d7fc061030 · outbound
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 986b0d8d-9bc1-4dc6-99dc-e4872a1f1953 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation de9564d5-4e5a-4101-81cb-8ce8f58758a1 · outbound
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation debe2ded-b81f-4849-939e-f7b53d6a5be2 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 346b28ba-84a4-4408-b8ee-8082c3ca9c81 · outbound
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation f879e8dc-a107-4deb-ab4e-a9728198d606 · outbound
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation c5c5b2fc-9a1d-43a7-bdab-fa823a06e0ad · outbound
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 1a2f2267-f9e6-493f-be4a-42a6a1e54982 · outbound
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 46b90ff8-d4a2-4d27-8958-4afbc8e47a3a · outbound
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 0c4e1861-355e-46b8-8167-d78583c97988 · outbound
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation ece0a8ae-5a3f-4da6-be3f-2a0ec5c584d4 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation 8× 10−17 fractional laser frequency instability with a long room-temperature cavity,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 8ad1849a-4e0c-48cd-a264-8351a8443fd2 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation 1.5 µm lasers with sub-10 mHz linewidth,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation e1eecef7-628e-465c-86cb-b4be9b756eea · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Crystalline optical cavity at 4 K with thermal-noise-limited instability and ultralow drift,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 51318c6d-489a-49ee-810a-e057f63cfb0d · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Comparing ultrastable lasers at 7× 10−17 fractional frequency instability through a 2220 km optical fibre network,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 8501cac1-447a-4a9c-b31a-c5562560e656 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Optical atomic clocks,
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1f1dfe70-6015-47b8-a930-b6a84d7b8c8c · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Quantum cascade laser frequency stabilization at the sub-Hz level,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation f79d64aa-90da-48ea-9338-3bdae9217583 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Prospects for observing and localizing gravitational-wave transients with Advanced LIGO, Advanced Virgo and KAGRA,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation f8e5dcbb-0d1e-4e51-b81b-dac88cb66a8e · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Laser phase and frequency stabilization using an optical resonator,
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation bc4c9690-201b-4264-813e-83fcc388057a · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation An introduction to Pound–Drever–Hall laser frequency stabilization,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 91cd3845-80c1-4188-89ce-4c170d30c14c · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Servo control of amplitude modulation in frequency-modulation spectroscopy: demonstration of shot-noise- limited detection,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 925d7ea0-6c0a-45ab-88f6-e7017120b8c6 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Measurement and control of residual amplitude modulation in optical phase modulation,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation b176f3ed-2986-4089-86fc-a29ffd70841b · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Reduction of zero baseline drift of the Pound-Drever-Hall error signal with a wedged electro-optical crystal for squeezed state generation,
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 8844e36c-1f44-40c5-b2ff-8c88297231b2 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Suppression of residual amplitude modulation effects in Pound–Drever–Hall locking,
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 98e68c4d-e3c8-41c5-8234-c5bf5ed5c833 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Suppression of residual amplitude modulation of ADP electro- optical modulator in Pound-Drever-Hall laser frequency stabilization,
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation d31598d7-8fcf-4a18-9983-dfa5834e5149 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Suppressing residual amplitude modulation to the 10−7 level in optical phase modulation,
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 7aacf10f-5561-432f-84b1-09e7e000a5f7 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Digital control of residual amplitude modulation at the 10−7 level for ultra-stable lasers,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 33e4c143-f198-4992-a537-e057e95f3fb0 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Investigation and cancellation of residual amplitude modulation in fiber electro-optic modulator based frequency modulation gas sensing technique,
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4dcf6dac-f536-446b-8fec-020708e3c7e7 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Reduction of residual am- plitude modulation to 1× 10−6 for frequency modulation and laser stabilization,
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation d208bfd0-1855-43fc-b8dd-21a7e52d959b · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Synthetic FM triplet for AM-free preci- sion laser stabilization and spectroscopy,
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 26ad3ada-7c8e-4d99-bead-bc7f8f8964ef · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Laser-cavity locking utilizing beam ellipticity: accessing the 10−7 instability scale relative to cavity linewidth,
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 4706a0fa-785d-4ccd-918e-5a87dbfe62b0 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation New method for residual amplitude modulation control in fibered optical experiments,
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 9db35610-5494-4f40-88c2-8fb549911d0e · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation This does not imply recommendation or endorsement by NPL
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 9a7a8f1f-b5e1-4503-a6f0-78e4199aa14c · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation A review of lithium niobate modulators for fiber-optic communications systems,
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
Observation 60f28ab3-e388-4be2-a8f1-0fcf6fdf14a8 · outbound
300 {\mu}s optical cavity storage time and $\mathbf{10^{-7}}$ active RAM cancellation for $\mathbf{10^{-19}}$ laser frequency stabilisation Ultrastable optical clock with two cold-atom ensembles,
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-22T06:32:14.747728+00:00.
No inbound Pith citation observations are available.