Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-02T10:32:27.593307Z
Paper Citation Record · LEDGER
As of 23 August 2026, this Paper Citation Record lists 60 of 60 outbound references and 1 inbound Pith citation observation for arXiv:2606.23527.
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 2026-08-02T10:32:27.593307Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-23T06:30:58.430688+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-07-09T23:52:08.940494Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-09T23:56:38.411705Z
60 of 60 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation da8938b6-d326-4882-b070-449b32b1b808 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Nested antiresonant nodeless hollow core fiber,
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5bd73aeb-56b5-493a-93bb-b0e74b745638 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 0.174 dB/km hollow core double nested antiresonant node- less fiber (DNANF),
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fbf32bb6-3de9-4737-908c-088bdf3794c0 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Hollow-Core Fiber in Direct-Detection Optical Networks: Technology Readiness, Deployment Drivers, and Adoption Outlook
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 85e9f62a-66de-4151-b906-2daec03eb785 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Broadband optical fibre with an attenuation lower than 0.1 decibel per kilometre,
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2a3f5dd2-4352-44eb-9d2b-1c8589962c7b · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Hollow-core and standard single-mode fiber hybrid optical networks: A multi-topology investigation of protection switching,
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9b6fe009-45b1-4a75-8790-9b80c5aa2ce9 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Loss in hollow-core optical fibers: Mechanisms, scaling rules, and limits,
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5c3bf7cb-02ca-4098-9135-e94b95913812 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Beyond silica assumptions: Optical network design in the hollow-core era,
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2a74d34c-aed5-433f-bebe-786387739194 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Hardware-efficient coherent digital receiver concept with feedforward carrier recovery forM-QAM constel- lations,
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c322d994-2993-41bf-bff3-e6fa7363ad2d · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Digital filters for coherent optical receivers,
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e0a7a96e-7861-41c7-be77-2e45fef6cca5 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Laser phase noise tolerance of uniform and probabilistically shaped QAM signals for high spectral efficiency systems,
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 61d6a59c-cd09-4c9a-81fc-04ef5d4bbc79 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Overhead-optimization of pilot-based digital signal processing for flexible high spectral efficiency transmission,
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a1156beb-ed9d-41a0-b852-58e39395f219 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Optimized pilot structure for PS-PDM ultrahigh-order QAM coherent optical transmission,
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 90a8d005-c7cd-41ac-b3fa-c61576ef0c89 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Equalization-enhanced phase noise for coherent-detection systems using electronic digital signal processing,
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d977e70a-2c42-43ab-bc65-f73e23295140 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Local oscillator phase noise induced penalties in optical coherent detection systems using electronic chromatic dispersion com- pensation,
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2faa88b9-b050-4fa0-b72a-b4b877696fc0 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Analog-to-digital converter survey and analysis,
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 86cefb95-6183-48a3-8c20-1718499044dc · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems The GN model of non-linear propagation in uncom- pensated coherent optical systems,
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5be92a53-dfda-4c0c-90c4-56afcf0de518 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems A simple and effective closed-form GN model correction formula accounting for signal non-gaussian distribution,
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d1fb8335-6218-4eb3-8f2a-0f52a0217f7c · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Opportunities and challenges for long- distance transmission in hollow-core fibres,
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fc8ab9c8-718c-4796-98e8-b26f7c92221a · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Transmission of 61 C-band channels over record distance of hollow-core-fiber with L-band interferers,
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7c6c5e1d-56ee-4130-af6c-fa1b84149dee · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Protection Switching in Hybrid Hollow-Core and Single-Mode Fiber Networks: Challenges, Analysis, and Mitigation Strategies
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d9a008d0-4998-47d2-9d4a-009311b28075 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Frequency dependent ENoB requirements forM-QAM optical links: An analysis using an improved digital to analog converter model,
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 243e1fa5-0e92-4724-b152-3efd664cd270 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Hollow-core fiber capacities with receiver noise limitations,
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1b910a4f-fb7f-4fb8-8ad3-06d0cc677994 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 1024 QAM (60 Gbit/s) single-carrier coherent optical transmission over 150 km,
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bedea892-f71c-4eab-ac90-b05447a773bb · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 2048 QAM (66 Gbit/s) single-carrier coherent optical transmission over 150 km with a potential SE of 15.3 bit/s/hz,
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d91eebee-45fe-4c07-98e6-1d32c44b74d9 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Probabilistically shaped PDM 4096-QAM transmission over up to 200 km of fiber using standard intradyne detection,
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c026d0b4-6920-4ec4-b573-85a1f5f75ed0 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 16384-QAM trans- mission at 10 GBd over 25-km SSMF using polarization-multiplexed probabilistic constellation shaping,
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 98a31cc0-601b-4e04-bf2a-69948990f0eb · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems High-order QAM NANF transmission utilizing MIMO equalizer integrated with low-complexity decision-directed carrier phase estimation,
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 71d237b5-36bf-4aa5-9ce7-17dc4487cc75 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Hierarchical MIMO equalizer for PDM PS-1024-QAM coherent optical transmission over DNANF,
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3c87af7a-176f-4e65-99ac-8a949f7e43d6 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 1- Tb/s/λTransmission over Record 10,714-km AR-HCF,
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a14945bf-8098-4494-93fa-a87ae7f8ef45 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Demonstration of beyond terabit/s/λnonlinearity-free transmission over the hollow-core fibre,
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 28674571-2711-4321-b46d-5eb05712c114 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Low intermodal interference and low loss hollow core fibers,
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6d179546-7ec7-4e1e-970c-95e85f1e747a · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems OIF-400ZR-02.0 – implementation agreement for 400ZR,
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4b5a42f1-dd49-4990-9cc5-ed3afb4fd301 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems OIF-800ZR-01.0 – implementation agreement for 800ZR,
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bde244bb-4c6e-4804-af5d-59be99cb5c62 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Sensitivity gains by mismatched probabilistic shaping for optical communication systems,
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 66bf4c65-503d-4657-b852-4d5f8216cd6d · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Probabilistic constellation shaping for optical fiber communications,
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation aea394a5-77f9-4d0a-bf66-ba535191bfe6 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Design of low-margin optical networks,
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6244c442-7084-456f-972a-4015f41bad1c · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Advances in high-speed DACs, ADCs, and DSP for optical coherent transceivers,
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dd21b201-253a-4980-9899-4db15f0a95ca · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems ADC performance survey 1997–2026,
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b557cd07-9d20-4c63-ba0e-609bcb7d887f · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Unresolved cited work
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a93f07d1-253c-4bc7-8b2e-c9af1dc0c519 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems CO2-limited hollow-core fiber links: A capacity-map guide to pre-emphasis and spectral avoidance,
Reference 40
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f2927abe-79d0-4f70-bc66-36a3de666a4e · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Beyond terabit/s/λ nonlinearity-free transmission over the hollow-core fiber,
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bf4e5df2-19da-4c6c-be2f-5536f00ac1b2 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems On the Optimum Energy-per-bit Launch Power in Coherent Hollow-core Fibre Transmission Systems
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c243998e-1562-481e-9f7f-8058ef0f362d · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Fusion splic- ing performance evaluation of hollow-core fiber to hollow-core fiber with different structural parameters,
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 763fe891-a4da-4669-8b6e-1393d98b07a3 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Low loss and high performance interconnection between standard single-mode fiber and antiresonant hollow-core fiber,
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 35baa16c-cf04-4806-a58d-2b37885856d0 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Unresolved cited work
Reference 45
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 684f5fc3-5bf8-43e9-b625-d0ac2f02914b · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Bit error probability of M-ary quadrature amplitude modulation,
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6c42e2f1-326a-45a7-a4bd-346e6b50b526 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems On the limits of digital back- propagation in the presence of transceiver noise,
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9ab77cb2-8c0d-430b-a4ba-7b40825640ad · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 4096 QAM (72 Gbit/s) single-carrier coherent optical transmission with a potential SE of 15.8 b/s/hz in all-raman amplified 160 km fiber link,
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dd208fe3-3559-4da7-bd8a-f4b5714eb104 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Transmission of 30-GBd polarization-multiplexed probabilistically shaped 4096-QAM over 50.9-km SSMF,
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 56529cb4-412c-483b-b9b4-a5a6332ab5bf · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Over- coming laser phase noise for low-cost coherent optical communication,
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d2600243-8f4b-4e8b-aecd-aae779006321 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems 800G DSP ASIC design using probabilistic shaping and digital sub-carrier multiplexing,
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 89a59778-0c0d-409b-9d03-f2430727c067 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Coupled-mode theory of multipath interference in quasi-single-mode fibers,
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0a229fb5-d5c1-4e5a-a879-af32375a9fc3 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Measurements and modeling of multipath interference at wavelengths below cable cut-off in a G.654 optical fiber span,
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9cce9b00-4130-434f-9dbb-0fdb7d74c0c1 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Low loss and broadband low back-reflection interconnection between a hollow-core and standard single-mode fiber,
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 30f94271-8b54-4543-ab3d-40d4af87e064 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Splicing hollow-core fiber with standard glass-core fiber with ultralow back-reflection and low coupling loss,
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 650f9fdd-0a9d-4949-9227-c8c7abb50942 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Gas line absorption mitigation in hollow- core fibre using spectral pre-equalisation,
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3e7f35c2-12a6-4f27-b77c-da948f82da22 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Toward 1.6T low-power coherent DSP: Challenges, and lessons learned from preceding generations,
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f2cf8f75-d609-4cd3-ba71-92fc77491878 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems Field- deployed hollow-core fibre cable with 0.11 db/km loss,
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8679b685-e631-4895-b688-a85fa26236a1 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems End-to-end energy modeling and anal- ysis of long-haul coherent transmission systems,
Reference 59
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0d972f19-c47a-4bda-a7b5-57f3d1890869 · outbound
System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems ASIC design exploration for DSP and FEC of 400-Gbit/s coherent data-center interconnect receivers,
Reference 60
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c838ca89-f258-4853-bc78-3acd46246dd9 · inbound
Beyond Silica Assumptions: Optical Network Design in the Hollow-Core Era System-Level Limits of Higher-Order QAM in Hollow-Core Fiber Systems
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.