Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T11:30:54.109449Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 49 of 49 outbound references and 0 inbound Pith citation observations for arXiv:1908.09018.
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 2026-08-14T11:30:54.109449Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+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
49 of 49 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 75bfc2f3-5c54-43be-b0e9-701d8e9bee59 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution The security proof technique relies on the entropic uncertainty relation [26]
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bbf53857-a351-423b-9e88-ada3a61d6064 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution To further model the security of the QKD protocol, we consider a ( d = 2) QKD protocol with two mutually unbiased bases
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4f16e690-dac1-49c1-8f33-2d1f3e0ed7d4 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution means Hermitian conjugate, κ is the product of the pump amplitude and the coupling constant between the electromagnetic field and the crystal
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 268c2d2f-afe1-4e1c-85ea-946edde43b2b · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution crosstalk matrix
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a873d987-4325-418c-81bc-e61b7a2f3660 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Alice’s and Bob’s bases are written as{Ai}4 i=1 and{Bi}4 i=1, respectively, and we suppose that their reference frames and measurements are aligned, i.e., Ai = Bi fori = 1, 2, 3, 4
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 3cddebbe-ad59-4746-ab79-6cf85d53e50a · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Satellite-relayed intercontinental quantum network,
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 20b7b530-2fc6-4da5-8142-fcbebc78e51b · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Quantum cryptography for secure satellite communica- tions,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d658fdea-62ac-4ce3-a7f8-83784e0fe4dd · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Long-distance quantum communication with entangled photons using satellites,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fc83ff16-f278-4168-89a3-c7dbcd82b34c · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Towards a global quantum network,
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a74b80ae-97e4-482e-8e39-afff05306629 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Satellite-based entanglement distribution over 1200 kilometers,
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6659ae67-dfde-4d28-ab2f-9e9aff8fbe26 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Satellite-to-ground quantum key distribution,
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation a9399b3c-a3f6-49e9-ace6-5592f1f48171 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Distribution of high-dimensional entanglement via an intra-city free-space link,
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9ef019fc-1250-4437-bd1e-339460ae60d8 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Quantum cryptography without Bell’s theorem,
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 74dfa898-6cb0-4804-8361-5e4a09ef36f4 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Satellite-to-ground entanglement-based quantum key distribution,
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6f5ae79c-1114-4791-a9e9-c640095cbb0a · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Spooqysats: Cubesats to demonstrate quantum key distribution technolo- gies,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bfee357e-66cf-4bae-94ca-bfbb8861fd49 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Experimental satellite quantum communications,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 5741e804-2f63-4043-b10a-1808f91c3b0a · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Air- borne demonstration of a quantum key distribution receiver payload,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bb918481-cdb9-4d77-acaa-8137f43758e6 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Towards high-dimensional quantum key distribution over long-distance free-space links (conference presentation),
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 93040787-d094-4e09-9c70-19807a7596f1 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Time-bin and Polarization Superdense Teleportation for Space Applications
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6d48d2e6-6e8a-4736-9e02-086634b051d2 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Progress towards implementing superdense teleportation in space,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d6316d4c-dc4f-42fd-91d0-6dce4a2a7e96 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Tests of nonlocality with hyperentangled photons,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b185570e-5a61-4ed0-87c4-51a2e6de576c · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Generation of hyperentangled photon pairs,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e9ed93c7-a3e2-46ae-860e-8002efd09d67 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Provably secure and high-rate quantum key distribution with time-bin qudits,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation df685df6-b6cf-4626-b3fc-3368d74da434 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Postselection- free energy-time entanglement,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6522c24c-ab7d-4422-ad80-beb5d0550c32 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution High-dimensional quantum cryptography with twisted light,
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 23384893-80b4-495f-a874-21b4931f2e29 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Experimental investiga- tion of high-dimensional quantum key distribution protocols with twisted photons,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9f134497-b7a0-4efd-95a1-c820060e4d39 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Characterizing high-quality high-dimensional quantum key distribution by state mapping between different degrees of freedom,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 2b7281df-d6b9-49c2-889d-af1cff1cc619 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Complete experimental toolbox for alignment-free quantum communication,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4f0ae507-ffaf-4990-a7db-1b259fe96ce2 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Free-space quantum key distribution by rotation- invariant twisted photons,
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 79df17a5-fef7-49d5-9b10-079ae02cbbcd · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Generation of a pulsed polarization entangled photon pair using a sagnac interferometer,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6ad8a2eb-b1de-4c6c-8124-45e3ea53e7dd · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution 50-ghz-spaced comb of high-dimensional frequency-bin entangled photons from an on-chip silicon nitride microresonator,
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b523b56d-9399-4861-84c1-e03e13097d94 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Tight finite-key analysis for quantum cryptography,
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 21318639-d11e-46ce-9f1e-7a940edafe73 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Quantum key distribution with entangled photon sources,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 72a0a8bb-707f-4443-a2c1-a90c5b4eaf01 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Composability in quantum cryptography,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4ea40aaa-eb34-4706-a2c2-f53da16ee13a · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution A hierarchy of information quantities for finite block length analysis of quantum tasks,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation c7f997e0-c652-4d7a-9df7-fe1ab3153adb · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Security of quantum key distribution using d-level systems,
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e067b4c3-3074-4b23-9d31-560c621062c5 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Phase-stable source of polarization-entangled photons using a polarization sagnac interferometer
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6c2aaecb-65e0-434d-b86f-c2d2bc1ef717 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Joint spectral characterization of photon-pair sources,
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4cdf669b-e023-4b60-a1db-1998e7b2bfb9 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Unresolved cited work
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 927dcd3c-d592-4467-9775-1f4d6b5ea109 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Detecting single infrared photons with 93% system efficiency,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9ab83cbb-82b6-4fe2-b416-84beed4b7787 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Zur elektrodynamik bewegter k¨ orper,
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 9cd656e7-1c6f-4638-b061-fd891e8c4d05 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Squashing models for optical measurements in quantum communication,
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 75c35d95-da2f-4275-8559-3e14ee791cde · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Introduction to radio and radio antennas,
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ebfd88aa-b50c-496c-9891-71a8bec61f2d · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Unresolved cited work
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 4c886611-cb27-4c96-8c75-38401e8a3456 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Quantum key distribution: theory for application,
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 71e4703c-040a-4754-99bb-6d6e2505eddc · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Postselected versus nonpostselected quantum telepor- tation using parametric down-conversion,
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ba364a39-2fd5-4c9d-a326-81dc6d6ad312 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution The operational meaning of min- and max-entropy,
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation b0ab8d5c-e42b-4ff0-ac8d-cd22b365aae4 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution Directional stability of automatically steered bodies,
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation ef94ad83-efe4-4161-9dd9-2966b5a3c0b8 · outbound
Hyperentangled Time-bin and Polarization Quantum Key Distribution This allowed the different time offsets of each time tagger to be measured accurately and subtracted out
Reference 6210
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
No inbound Pith citation observations are available.