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Paper Citation Record · LEDGER

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems

As of 8 August 2026, this Paper Citation Record lists 16 of 16 outbound references and 1 inbound Pith citation observation for arXiv:2506.01761.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2506.01761 v1

Coverage vector

measured 16 of 16 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-07T11:39:52.553479Z

measured 17 of 17 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-08T06:32:00.761636+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-06-26T06:46:56.473309Z

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: arxiv_reference, observed 2026-07-04T12:29:51.923000Z

Reference resolution

16 of 16 outbound references displayed

  • verified exact0
  • verified fuzzy15
  • unresolved1
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation c5339bbb-645b-423a-aa57-7bcf85b0ee2b · outbound

This paper cites Modulation format and digital signal processing for IM-DD optics at post-200G era.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Modulation format and digital signal processing for IM-DD optics at post-200G era

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:23.219552Z

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.

source=pdf_text observed=2026-08-07T11:39:47.289919Z digest=sha256:fb8bbe59b51e051f09beacec72ff84668babfa58eb3be046b88fc91bae5a6ed4

Observation b70a92c7-6d3b-44f0-8a59-bdf3f1ff4c41 · outbound

This paper cites an unresolved cited work.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Unresolved cited work

Reference 2

Resolution
unresolved
raw_fallback, observed 2026-08-07T11:40:12.252367Z

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.

source=pdf_text observed=2026-08-07T11:39:47.379866Z digest=sha256:6314ee7d91d7b36d84044e4a3a56a470cfd09fdf405d1107ec99d144957b2b23

Observation 3c8fd91d-7d00-4999-9bfb-ec87e3f3b355 · outbound

This paper cites 200 Gbps/lane IM/DD technologies for short reach optical interconnects.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems 200 Gbps/lane IM/DD technologies for short reach optical interconnects

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:12.139557Z

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.

source=pdf_text observed=2026-08-07T11:39:47.455811Z digest=sha256:5203d1fbd555c2f2c5fa285f54025b99ae976ba645cb2bc9ad93e9eefe4fefe7

Observation 1dadf99a-24c8-4745-9a52-101aae16ca7c · outbound

This paper cites 4-PAM for high-speed short-range optical communications.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems 4-PAM for high-speed short-range optical communications

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:12.074603Z

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.

source=pdf_text observed=2026-08-07T11:39:47.566134Z digest=sha256:54e4eb8bbd7ff1f9c6995014680fd9c923b5a8b348d961e548f66254455ab37d

Observation 4217e122-4646-4a01-b41c-85ea2726041a · outbound

This paper cites 467 Gbit/s net bitrate IM/DD transmission using 176 GBd PAM-8 enabled by SiGe AMUX with excellent linearity.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems 467 Gbit/s net bitrate IM/DD transmission using 176 GBd PAM-8 enabled by SiGe AMUX with excellent linearity

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:12.025206Z

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.

source=pdf_text observed=2026-08-07T11:39:48.879748Z digest=sha256:d7230daeab38f50ca646b6cb8356c4f5b836b25e348eaa485e66296835f34735

Observation bf1a5dfc-1476-4f41-921b-5ce80523ed9f · outbound

This paper cites Demonstration of 155 Gbaud PAM4 and PAM6 EML with narrow high- mesa EA modulator for 400 Gbps per lane transmission.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Demonstration of 155 Gbaud PAM4 and PAM6 EML with narrow high- mesa EA modulator for 400 Gbps per lane transmission

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:11.986257Z

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.

source=pdf_text observed=2026-08-07T11:39:51.666711Z digest=sha256:e10d36af135ee00fe94ba8e7517e43e70b3f600c3529e0368291b0f87af35a0e

Observation 1f547f05-b31a-4d57-8d08-c2c8e6552312 · outbound

This paper cites 225 Gb/s per lambda IMDD PAM short reach links using only commercial components.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems 225 Gb/s per lambda IMDD PAM short reach links using only commercial components

Reference 7

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:11.909449Z

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.

source=pdf_text observed=2026-08-07T11:39:51.789061Z digest=sha256:d3b65bbdc68a0877dd050a02e6f88374e67f250602ebc4c3bfbcd159acf1ce82

Observation 7be1adbe-a442-4ad5-830a-80634ea7fb71 · outbound

This paper cites Comparison of PAM-6 modulations for short-reach fiber- optic links with intensity modulation and direct detec- tion.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Comparison of PAM-6 modulations for short-reach fiber- optic links with intensity modulation and direct detec- tion

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:11.768300Z

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.

source=pdf_text observed=2026-08-07T11:39:51.880843Z digest=sha256:3035aff1a83b76b501906fd2e813499ad526750f0d72e1f19ad198c7c3713f4a

Observation 99f6cb58-071c-4315-88a8-80f02dd87654 · outbound

This paper cites PAM-6 coded modula- tion for IM/DD channels with a peak-power constraint.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems PAM-6 coded modula- tion for IM/DD channels with a peak-power constraint

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:11.029298Z

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.

source=pdf_text observed=2026-08-07T11:39:51.997696Z digest=sha256:675c30eb82b4263c7834f0bc4a3d1769281ecf1fd1c78f512a98d7d852ff9c94

Observation ecab0db6-3cc3-4a41-8fa9-400876fbbacc · outbound

This paper cites On the optimality of the binary reflected Gray code.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems On the optimality of the binary reflected Gray code

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:09.918223Z

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.

source=pdf_text observed=2026-08-07T11:39:52.099713Z digest=sha256:22df12e0b2ef0abbebfe650a12e47e9c40d92a9245c81548ad8e784650f69e92

Observation 7ccd2b87-0b73-4210-b111-dc98c7cfaa47 · outbound

This paper cites On Geometric Shaping for 400 Gbps IM-DD Links with Laser Intensity Noise.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems On Geometric Shaping for 400 Gbps IM-DD Links with Laser Intensity Noise

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:09.868204Z

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.

source=pdf_text observed=2026-08-07T11:39:52.178352Z digest=sha256:099670d65264a951a1b2210b79c99e6e635b2e39cf9f8746b7879169e64f0392

Observation 97b73446-429e-4440-96c4-8c7f3afbbe62 · outbound

This paper cites PAM-6 generation using 32-QAM con- stellation.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems PAM-6 generation using 32-QAM con- stellation

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:09.642409Z

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.

source=pdf_text observed=2026-08-07T11:39:52.259469Z digest=sha256:4726ca13c9d5271d9257f0c94f70a51daab19132fad93679cf0b58c99fe06d40

Observation c404aac8-29e4-4153-afc0-04b53f95630f · outbound

This paper cites Constellation labeling for linear encoders.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Constellation labeling for linear encoders

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:40:08.043429Z

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.

source=pdf_text observed=2026-08-07T11:39:52.328639Z digest=sha256:b8b0e4e699566994adbf975c85cb09aa41801a5d04d4cdfa586cdda354d91a8c

Observation b9d94b9e-cf79-4d43-9c88-32c2cf2de2ad · outbound

This paper cites Exper- imental comparison of probabilistic shaping methods for unrepeated fiber transmission.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Exper- imental comparison of probabilistic shaping methods for unrepeated fiber transmission

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:39:53.374595Z

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.

source=pdf_text observed=2026-08-07T11:39:52.399093Z digest=sha256:1bcf6f43fbe7e4b7fda27166a92508835bcf087708c3398f282a2b64cec525ca

Observation 2f173e32-ea21-464f-8729-9f6a474393bd · outbound

This paper cites Hui, Introduction to fiber-optic communications.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Hui, Introduction to fiber-optic communications

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:39:53.103036Z

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.

source=pdf_text observed=2026-08-07T11:39:52.464777Z digest=sha256:d1ce4bac23bbf3049c255e218ee1fc90b067cd30e465f3130e46eb8d481ee627

Observation bd2cbf94-192f-4979-955b-a9a266ab8b11 · outbound

This paper cites Gray coding for multilevel constellations in Gaussian noise.

A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems Gray coding for multilevel constellations in Gaussian noise

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:39:52.921243Z

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.

source=pdf_text observed=2026-08-07T11:39:52.553479Z digest=sha256:2e5e3279ad5b466d7e2baa06ed8ccbb6335a9532326faa74c43a6310aa919a4a

Pith citing papers

Observation 9d78db88-a8b7-486f-bc65-83290af6adf5 · inbound

Symbol Rate-Code Rate Trade-offs for IM/DD 200G/400G per Lane LPO Transceivers cites this paper.

Symbol Rate-Code Rate Trade-offs for IM/DD 200G/400G per Lane LPO Transceivers A New 5 bit/2D-symbol Modulation Format for Relative Intensity Noise-dominated IM-DD Systems

Reference 1

Resolution
verified exact
arxiv_id, observed 2026-07-04T12:29:51.924563Z

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.

source=arxiv_source observed=2026-06-26T06:46:56.473309Z digest=sha256:a0cf9600962ddbf1fcf18df573e47a4fba282335a72644409eb3ef72f6422797