Silicon Photonic Integration Patent Landscape 2026
Intel holds the largest position among a concentrated set of corporate and government filers, with optical elements and laser integration dominating the technology mix. The field expanded strongly through 2021 but annual volume has eased from that peak, and the U.S. remains the overwhelmingly preferred filing jurisdiction.
Intel leads a U.S.-dominated, moderately concentrated field
Intel Corporation ranks first among the hundred largest filers, followed by Cisco Technology and the U. S. Government, with Nokia Solutions & Networks and Ayar Labs rounding out the top five. The top five filers account for 32% of the combined total of the hundred largest filers, indicating meaningful but not extreme concentration.
A clear tier gap separates Intel and Cisco from the mid-tier: Intel holds 43 patent records versus Cisco’s 30, and the gap widens further below rank five, where most entrants hold fewer than 15 records each. This two-tier structure suggests the leading pair have material advantages in prior art depth.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Intel Corporation | 43 | |
| 2 | Cisco Technology Inc | 30 | |
| 3 | The Government of the United States of America | 22 | |
| 4 | NOKIA SOLUTIONS & NETWORKS OY | 20 | |
| 5 | Ayar Labs Inc | 14 | |
| 6 | Marvell Asia Pte Ltd | 14 | |
| 7 | OpenLight Photonics Inc | 10 | |
| 8 | Anello Photonics Inc | 10 | |
| 9 | Rockley Photonics Ltd | 9 | |
| 10 | Telefonaktiebolaget LM Ericsson (Ericsson) | 8 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Taiwan Semiconductor Manufacturing Company Ltd (TSMC) | 8 | |
| 12 | Regents of the University of California | 8 | |
| 13 | Wells Fargo Bank NA | 7 | |
| 14 | Acacia Technologies Inc | 7 | |
| 15 | Raytheon Company | 6 | |
| 16 | Nokia of America Corporation | 6 | |
| 17 | ELECTRONICS & TELECOMM RES INST | 6 | |
| 18 | Samtec Inc | 5 | |
| 19 | Finisar Corporation | 5 | |
| 20 | Advanced Micro Foundry Pte Ltd | 5 |
Intel’s breadth across optical waveguide and semiconductor packaging subclasses, combined with Cisco’s and the U. S. Government’s distinct technical emphases, means the top of the ranking is not monolithic — competitive differentiation exists even among leaders, leaving room for focused challengers in adjacent sub-domains.
Patent records for the most recent 18–24 months are subject to publication lag and will be revised upward as applications are published; interpret near-term counts cautiously. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Activity peaked in 2021; optical elements dominate the technology mix
Two charts together show how filing momentum has shifted over time and where technical effort is concentrated across IPC classes.
Annual filing trend
Annual filings climbed from 18 records in 2017 to a peak of 62 in 2021, then eased to 39 in 2022 and 28 in 2023, with a modest uptick to 32 in 2024. The 2025 and 2026 figures are incomplete due to publication lag and should not be read as sustained decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G02B (Optical elements and systems) is overwhelmingly dominant, reflecting the waveguide and fiber-coupling core of silicon photonics. H01S (Lasers and stimulated emission) is a strong secondary class, followed by H01L (Semiconductor devices) and H04B (Transmission), which together map the co-packaging and datacom application layer. Sensing and modulation classes — G01J, G02F, G01N — each account for a small share, flagging potential under-served space.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Electronic-photonic integrated circuit based on si…
Disclosed is a silicon photonics-based electronic-photonic integrated circuit (EPIC). The silicon photonics-based EPIC includes a silicon photonic integrated circuit (PIC) chip in which an optical device is mounted on a silicon-on-insulator (SOI) wafer including a trench region, an electronic integrated circuit (EIC) chip mounted in the trench region of the… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Methods, systems, and apparatus for programmable q… | 106 |
| 2 | Methods, systems, and apparatus for programmable q… | 86 |
| 3 | Photonic interface for electronic circuit | 81 |
| 4 | Copackaging of ASIC and silicon photonics | 72 |
| 5 | High Density Opto-Electronic Interconnection Confi… | 71 |
| 6 | Integrated optical waveguides, direct-bonded waveg… | 67 |
| 7 | Photonic flexible interconnect | 65 |
| 8 | Optical module including silicon photonics chip an… | 64 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the competitive structure means for R&D investment decisions
Four structural readings — maturity, concentration, collaboration, and geography — together frame where risks and opportunities sit for an engineering team entering or expanding in this space.
Post-peak, still technically active
The lifecycle evidence places this field in a decline stage: annual filings eased back from the 2021 peak of 62 records and have not recovered to that level. This pattern is consistent with a maturing core technology where foundational patent positions have been established, and incremental or application-layer work now dominates new filings. Teams entering now face a well-stocked prior-art landscape, making differentiation through novel sub-domain focus more important than broad platform claims.
Lifecycle: Post-peakTwo-tier structure with a reachable mid-field
Intel and Cisco hold a commanding lead in record count, but the mid-tier — Ayar Labs, Marvell Asia, OpenLight Photonics, Anello Photonics — is active and growing. The top five filers represent 32% of the hundred largest filers’ combined total, leaving the remaining 68% distributed across a diverse set of smaller players, universities, and government labs. A focused entrant targeting an underserved sub-class could realistically reach the mid-tier within a few filing cycles.
Concentration: ModerateNo co-applicant clusters detected in current evidence
The collaboration evidence is currently empty — no co-applicant filings were identified in the analyzed corpus. This absence may reflect genuine independent development strategies among the major players, or it may result from the scope of the dataset. Universities such as the University of California (Regents) and Cornell University appear in the ranking independently, suggesting academic-industry transfer may occur through licensing or spin-out rather than joint filings. Teams considering partnership strategies should conduct deeper due diligence.
Collaboration: Evidence pendingU.S.-centric filing with limited Asian and European coverage
The United States accounts for 240 patent records, making it the dominant jurisdiction by a wide margin. Europe (EPO) and WIPO (PCT) each register modest activity at 44 and 42 records respectively. Taiwan and China together contribute 21 records despite being major semiconductor manufacturing hubs, and South Korea and Japan are minimally represented. This geographic skew means that U.S.-filed patents carry the heaviest prior-art weight, while significant white space may exist in Asian manufacturing jurisdictions for teams pursuing commercial protection closer to fabrication centers.
Geography: U.S.-centricGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
Co-filing pairs, ranked by the number of jointly-filed patent families.
Intel anchors the field; new entrants are reshaping the challenger tier
Intel’s position is built on optical waveguide and semiconductor packaging depth, while challengers differentiate through laser integration, datacom transmission, and emerging sensing applications. Momentum among newer entrants is notable despite their smaller absolute bases.
Intel Corporation
Intel holds 43 patent records — the largest position among all ranked applicants — with its portfolio concentrated heavily in G02B 6 (optical waveguide elements), supplemented by H01L 23 and H01L 25 (semiconductor packaging subclasses). This breadth across the optical-electronic interface reflects Intel’s co-packaging strategy. Momentum shows a modest decline (▼ –9% in recent filings versus the prior period), consistent with a mature incumbent managing an established portfolio rather than aggressively expanding it.
families: 43Ayar Labs Inc
Ayar Labs holds 14 patent records and is classified as a new entrant on momentum metrics, meaning its recent filing activity is materially above its prior baseline. Its technical focus spans G02B 6 (optical elements), H01S 5 (semiconductor lasers), and H04B 10 (optical fiber transmission), reflecting a coherent strategy around in-package optical I/O — a sub-domain with strong commercial pull from AI accelerator demand. As a new entrant, its prior-art base is thin relative to Intel, but its trajectory is upward.
families: 14| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Intel Corporation | 10 | ▼ -9% |
| Ayar Labs Inc | 5 | ▲ new entrant |
| OpenLight Photonics Inc | 4 | ▲ new entrant |
| Anello Photonics Inc | 3 | ▲ new entrant |
| Quintessent Inc | 8 | ▲ new entrant |
Sensing and modulation branches are under-served relative to core optical work
Within the corpus, several IPC branches adjacent to the dominant G02B and H01S core show materially lower filing density, making them worth examining as areas where incremental prior art may not yet foreclose new approaches.
G02F · Optical control and modulation
G02F (optical control and modulation) accounts for only 24 patent records and roughly 3% of the IPC distribution, despite electro-optic and thermo-optic modulators being a critical bottleneck in silicon photonic system performance. The sparse coverage relative to the waveguide core suggests that high-speed modulator design — particularly for bandwidth-hungry AI interconnect applications — may have room for new filings. An entry path exists through chip-level modulator integration work that complements rather than challenges the dense G02B prior art.
Search this in Eureka →G01N · Material analysis and testing via optical sensing
G01N (material analysis and testing) appears 23 times in the corpus, representing about 3% of records, yet optical biosensing and chemical detection on silicon photonic platforms are active areas of academic and commercial interest. The U.S. Government’s portfolio — which concentrates heavily on G01J 3 and G01N 21 — is the principal filer in this branch, suggesting that commercial entrants have so far left much of this ground to government-funded research. A team with manufacturable silicon photonic sensing designs could find this branch relatively open to new commercial patent positions.
Search this in Eureka →How leading applicants differ by technology sub-class emphasis
Route coverage across the main technology branches in the current evidence set.
| Player | G02B 6 · Optical elements & systems | H01S 5 · Lasers & stimulated emission | H04B 10 · Transmission (general) | H01L 23 · Semiconductor devices | H01L 25 · Semiconductor devices |
|---|---|---|---|---|---|
| Lumentum Operations LLC | Strong · 23 | Absent | Strong · 22 | Moderate · 8 | Moderate · 7 |
| Intel Corporation | Strong · 39 | Emerging · 5 | Absent | Moderate · 9 | Emerging · 6 |
| The Government of the United States of America (as represented by the Secretary of Health and Human Services) | Strong · 20 | Strong · 20 | Absent | Absent | Absent |
| Ayar Labs Inc | Strong · 10 | Strong · 7 | Strong · 7 | Absent | Absent |
| Rockley Photonics Ltd | Strong · 11 | Moderate · 5 | Absent | Absent | Absent |
| Marvell Asia Pte Ltd | Strong · 7 | Absent | Strong · 5 | Moderate · 2 | Moderate · 2 |
| OpenLight Photonics Inc | Absent | Strong · 12 | Absent | Absent | Absent |
Frequently asked questions
Intel Corporation leads with 43 patent records among the hundred largest filers, followed by Cisco Technology Inc with 30 and the U.S. Government with 22. These three together account for a substantial portion of the top-five share.
Annual filings grew from 18 records in 2017 to a peak of 62 in 2021, then eased to 39 in 2022 and 28 in 2023, with a partial recovery to 32 in 2024. The 2025 and 2026 figures are incomplete due to standard patent publication lag and should not be interpreted as a sustained downturn.
The United States dominates with 240 patent records. Europe (EPO) and WIPO (PCT) each account for around 40 records. Taiwan and China together contribute 21 records, while South Korea, the United Kingdom, Singapore, and India each have single-digit to low double-digit representation.
G02B (optical elements and systems) is the largest class, followed by H01S (lasers and stimulated emission), H01L (semiconductor devices), and H04B (transmission). These four classes together map the core silicon photonic stack: waveguides, light sources, electronic integration, and datacom links.
Yes. G02F (optical control and modulation) and G01N (material analysis and testing via optical sensing) each account for only about 3% of patent records in the corpus, despite being technically significant application areas. G01C (navigation and gyroscopes) is even sparser, with most activity concentrated in Anello Photonics alone.
Ayar Labs, OpenLight Photonics, Anello Photonics, and a further new entrant are each classified as new entrants on momentum metrics, meaning their recent filings are materially above their prior baseline. Intel, the overall leader, shows a modest downward trend of approximately -9% in recent filings relative to the prior period.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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