Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-07T13:43:26.554178Z
Paper Citation Record · LEDGER
As of 8 August 2026, this Paper Citation Record lists 55 of 55 outbound references and 0 inbound Pith citation observations for arXiv:2505.21168.
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 2026-08-07T13:43:26.554178Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-08T06:32:00.761636+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
55 of 55 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation ec8b7c19-0852-4bb8-97bf-d9b51aaabd21 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Advancement in Silicon Integrated Photonics Technologies for Sensing Applications in Near-Infrared and Mid-Infrared Region: A Review,
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 5a28df4e-4012-4344-a7a9-f18c83ccb4ec · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Recent Advances in Integrated Photonic Sensors,
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 77c0d739-16d4-44ad-95d7-819ec2e99a5a · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Quantum nanophotonic and nanoplasmonic sensing: towards quantum optical bioscience laboratories on chip,
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 4b06e8d1-9922-4150-be67-7c33a45f3e7f · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Semiconductor Quantum Dots for Integrated Quantum Photonics,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 4f9be50b-1890-49c3-b416-cae05d1126c5 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Waveguide-integrated superconducting nanowire single-photon detectors,
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation f7bd42ec-5fab-40ab-8d04-14d7c5953652 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Diamond as a Platform for Integrated Quantum Photonics,
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 81f2a3e4-30d3-4156-ad53-2a9bc26a0796 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Scaling capacity of fiber-optic transmission systems via silicon photonics,
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 77a9fdea-6e7d-4920-82b4-9ba445d10969 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Chip-to-chip optical interconnections between stacked self-aligned SOI photonic chips,
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 5b321d38-eca8-43ca-922b-a45e49b9b7fb · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Parallel convolutional processing using an integrated photonic tensor core,
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1c06d077-f71a-4a01-92ad-1ba524d2ccfd · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Photonics for artificial intelligence and neuromorphic computing,
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 81cea94e-e14e-43b7-a845-a01968e95ace · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Deep learning with coherent nanophotonic circuits,
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4ea8c01e-3713-40c2-9650-f3e40c16036f · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Integrated Photonics Packaging: Challenges and Opportunities,
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation b21b2141-a4aa-4178-adb5-e0f5fbee400c · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Co-Packaged Photonics For High Performance Computing: Status, Challenges And Opportunities,
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e41a82bc-c5c7-4bff-911c-9e82a7c841d4 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Coupling strategies for silicon photonics integrated chips [Invited],
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation ddcb87a8-8f02-4840-9fe2-e379393f792a · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss High-efficiency broadband light coupling between optical fibers and photonic integrated circuits,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation a17e0a54-4bb8-4867-b3f1-9aa4593abde6 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss In situ 3D nanoprinting of free-form coupling elements for hybrid photonic integration,
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 927fb084-e80f-4719-9686-b359fe7e94fa · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss 3D-printed facet-attached optical elements for connecting VCSEL and photodiodes to fiber arrays and multi-core fibers,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 19ed7713-a252-42d1-ad6a-0de264bf04f9 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Post-Integrated Dual-Core Large-End Spot-Size Converter With Si Vertical Taper for Fiber Butt-Coupling to Si- Photonics Chip,
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e89aacc3-f739-406d-81c2-b98e012c66c0 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Simple and fully CMOS-compatible low-loss fiber coupling structure for a silicon photonics platform,
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation ec96ef1e-7d8b-4198-b210-f229fcda5ada · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Efficient fiber-optical interface for nanophotonic devices,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 609008a5-a599-41db-b3d0-f373cad8c8d1 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss GRATING COUPLER FOR EFFICIENT EXCITATION OF OPTICAL GUIDED WAVES IN THIN FILMS,
Reference 21
Source-reported events for the cited work
correction dated 2004-01-30. Source: crossref record 10.1063/1.1653394->10.1063/1.1653091:correction, observed 2026-07-11T02:58:26.595147+00:00. This notice travels one citation hop only.
Observation 097e35b8-16a3-4ce6-9a78-36ec63ee9d1c · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Scalable and efficient grating couplers on low-index photonic platforms enabled by cryogenic deep silicon etching,
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ba588a8c-a734-4fd2-bbc4-dff996c385f6 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss C- and O-Band Dual-Polarization Fiber-to-Chip Grating Couplers for Silicon Nitride Photonics,
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 13f960be-efec-44d0-9475-13037f5599eb · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Inverse design of near unity efficiency perfectly vertical grating couplers,
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation f6c380fb-9230-43c2-a8ff-cc5fa5ee8569 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Low-loss fiber-to-chip couplers with ultrawide optical bandwidth,
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 614ad35b-f593-4f6d-83cd-f33133e8ce01 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Broadband out-of-plane coupling at visible wavelengths,
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation bdae4da1-a420-4aec-af83-ead0bad7e5d4 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss 3D-Printed Ultra-Broadband Highly Efficient Out-of-Plane Coupler for Photonic Integrated Circuits,
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 47453fb4-93b8-482f-a5d3-017c900beecb · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Low-loss and broadband fiber-to-chip coupler by 3D fabrication on a silicon photonic platform,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 0e1978f1-29a0-4110-8de2-1699cb7bd384 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Efficient four-way vertical coupler array for chip- scale space-division-multiplexing applications,
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 88f00c63-f76a-46bb-b9a0-d9a476eb67d7 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Free‐Form Micro‐Optics Enabling Ultra‐Broadband Low‐Loss Off‐Chip Coupling,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation ec00697c-0bef-4f14-9d1d-c7ca2a8176e0 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Packaging Process for Grating-Coupled Silicon Photonic Waveguides Using Angle-Polished Fibers,
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c407ec49-d09c-42d4-9996-6b2030df3c0f · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Grating Couplers for Coupling between Optical Fibers and Nanophotonic Waveguides,
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 3ecbc10e-6445-4f57-9f21-eab917960abc · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Connecting Silicon Photonic Circuits to Multicore Fibers by Photonic Wire Bonding,
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation c2c39a83-b739-430d-91ba-c3027e742496 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Automated, high-throughput photonic packaging,
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 0fd86a0e-7fdd-467d-915d-4d1cfeabb300 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss 3D printed fiber sockets for plug and play micro-optics,
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 55e66473-2cd4-4d14-9b4f-49cbf4dfa33d · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Plug-and-play fiber to waveguide connector,
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 212e9ea0-b39c-450f-9bc9-e1c40b4b548a · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Pluggable Single-Mode Fiber-Array-to-PIC Coupling Using Micro- Lenses,
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation f321b9b2-da97-43a4-b205-c0345aecb98a · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss PIXAPP Photonics Packaging Pilot Line – Development of a Silicon Photonic Optical Transceiver With Pluggable Fiber Connectivity,
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9181361c-8c4a-4e2d-bfd3-33549874dbeb · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Fiber- Interconnect Silicon Chiplet Technology for Self-Aligned Fiber-to-Chip Assembly,
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 5e2c9f4a-3db8-44b3-9d9f-5ed36741f353 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Beam Divergence from an SMF-28 Optical Fiber:,
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 0484cd9f-fdbe-42e8-86a7-e6e50e82a901 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Partial coherence enhances parallelized photonic computing,
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fbffd34d-3383-4399-904b-a6bde2fbdb48 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Probabilistic photonic computing with chaotic light,
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4977110e-1960-4da3-8e63-b7b7f9847c71 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Review of Silicon Photonics Technology and Platform Development,
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 540f1731-fa86-4954-84c4-e29c54adb30c · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Integrated photonics on thin-film lithium niobate,
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4241b818-00bd-4e48-a864-1d3cfe74b315 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Single-photon detection and cryogenic reconfigurability in lithium niobate nanophotonic circuits,
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 7e973972-3eac-4839-b72d-e864af129cbc · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Tantala Kerr nonlinear integrated photonics,
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ba65bfcb-7bc7-477d-8fe4-b54699c58720 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Toward integrated tantalum pentoxide optical parametric oscillators,
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation a07ec5fc-dd18-4026-bc64-cf1a3d74ec0c · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss High-quality factor Ta2 O5 -on-insulator resonators with ultimate thermal stability,
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 21f8f614-db0e-49fe-a28a-d5c84b01887e · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss A Novel Approach to Photonic Packaging Leveraging Existing High- Throughput Microelectronic Facilities,
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation f6244764-686b-418a-bdc3-af582137051b · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Radiation-hard/high-speed parallel optical links,
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation 895f5e5d-b8c7-49e8-8f49-a4208f84a1de · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss AlGaN/AlN heterostructures: an emerging platform for nonlinear integrated photonics
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation ffba2dd2-253e-43eb-9e66-c2e4daaf9a6f · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Towards ‘smart transceivers’ in FPGA-controlled lithium-niobate- on-insulator integrated circuits for edge computing applications [Invited],
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation fea35e08-5137-4b47-88a6-0c4380b138e7 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Integrated microcavity electric field sensors using Pound-Drever-Hall detection,
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2cdb261e-41b2-4d6e-9c3f-279745e53b60 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Large area multi-material-multi- photon 3D printing with fast in-situ material replacement,
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
Observation cb59915b-00c3-48ec-901d-3d4faf5346e9 · outbound
Ultra-Broadband plug-and-play photonic circuit packaging with sub-dB loss Unresolved cited work
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-08T06:32:00.761636+00:00.
No inbound Pith citation observations are available.