Silicon Photonics Optical Fiber Patent Landscape 2026
The silicon photonics optical fiber field spans 3,589 patent families and is led by a concentrated tier of integrated-circuit and networking incumbents, with Intel holding the largest position. Activity peaked in 2022 and has plateaued near that level on a multi-year basis, while challengers such as TSMC and Cisco are posting strong recent momentum.
Intel leads a concentrated field with a clear challenger tier forming below
Intel Corp holds the top position with 332 patent families, followed closely by Infinera Corp at 293 and Marvell Asia at 204, establishing a distinct lead tier well ahead of the rest of the ranked field.
The top five filers — Intel, Infinera, Marvell Asia, Cisco, and TSMC — together account for 29% of the combined output of the hundred largest filers, indicating moderate-to-high concentration at the apex but meaningful activity distributed across a broader challenger group.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Intel Corp | 332 | |
| 2 | Infinera Corp | 293 | |
| 3 | Marvell Asia Pte Ltd | 204 | |
| 4 | Cisco Technology Inc | 188 | |
| 5 | Taiwan Semiconductor Manufacturing Co Ltd | 131 | |
| 6 | Google LLC | 120 | |
| 7 | Samsung Electronics Co Ltd | 113 | |
| 8 | Huawei Technologies Co Ltd | 104 | |
| 9 | imec (Interuniversitair Micro-Electronics Centrum) | 96 | |
| 10 | OpenLight Photonics Inc | 80 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | NOKIA SOLUTIONS & NETWORKS OY | 75 | |
| 12 | Ghent University | 75 | |
| 13 | Effect Photonics BV | 72 | |
| 14 | PsiQuantum Corp | 69 | |
| 15 | GlobalFoundries US Inc | 65 | |
| 16 | Anello Photonics Inc | 62 | |
| 17 | Ciena Corp | 59 | |
| 18 | II-VI Delaware Inc | 56 | |
| 19 | Raytheon Co | 51 | |
| 20 | Corning Inc | 49 |
The incumbents’ positions reflect deep integration between photonic and semiconductor device expertise; challengers such as TSMC and Cisco are closing the gap through accelerating recent filing rates, signalling that the competitive structure is still evolving despite the field’s overall maturity.
Filing counts for the most recent 18–24 months are subject to publication lag and should be treated as lower-bound estimates; the apparent step-down in 2024–2025 data partly reflects this lag rather than a real contraction.
Filings plateaued near a 2022 peak; optical elements dominate the technology mix
Two views reveal the field’s current state: a multi-year filing trend that climbed through 2022 and has since eased, and a technology composition weighted heavily toward optical elements and systems with meaningful secondary clusters in transmission and laser technology.
Annual filing trend
Annual filings grew from 251 in 2017 to a peak of 549 in 2022, then eased to 486 in 2023 and 399 in 2024. The 2025–2026 figures are substantially undercounted due to publication lag and should not be read as a continuing decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
G02B (Optical elements and systems) dominates the technology mix by a wide margin, reflecting the core waveguide and fiber-coupling focus of the field. H04B (Transmission), H01S (Lasers and stimulated emission), H01L (Semiconductor devices), and G02F (Optical control and modulation) form a secondary cluster, together covering the signal-chain from light generation through modulation and detection.
↗ 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.
Coupler between optical fiber and optical waveguid…
An optical fiber and optical waveguide coupler according to an embodiment of the present disclosure includes: an optical fiber coupling part disposed at one end of an optical fiber and having an inclined slanted cross-section; an optical waveguide coupling part corresponding to one part of the optical waveguide and in contact with the optical fiber coupling… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Transmitter photonic integrated circuits (TxPIC) a… | 293 |
| 2 | Transmitter photonic integrated circuit (TxPIC) ch… | 281 |
| 3 | Optical signal receiver photonic integrated circui… | 274 |
| 4 | Electronic-integration compatible photonic integra… | 214 |
| 5 | Coolerless photonic integrated circuits (PICs) for… | 191 |
| 6 | Digital optical network architecture | 189 |
| 7 | Photonic integrated detector having a plurality of… | 186 |
| 8 | Integrated optical waveguides, direct-bonded waveg… | 154 |
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
The combination of a maturing filing trend, a moderate concentration ratio, and active collaboration between a research institute and a university points to specific entry considerations for new and existing players.
Field at maturity plateau, not in decline
Annual filings have plateaued near their 2022 peak, placing the field in a mature stage. On a multi-year basis the recent-window growth rate remains positive at 15%, so the field is still expanding in aggregate even as the annual apex has passed. New entrants face a well-documented prior-art landscape; differentiation requires targeting application verticals or process nodes not yet densely covered.
Lifecycle: MaturityModerate apex concentration with an active challenger tier
The top five filers hold 29% of the hundred largest filers’ combined output — significant but not monopolistic. Intel’s lead over Infinera is narrow in relative terms (332 vs 293 patent families), and TSMC is accelerating at 3.0× its prior three-year rate, compressing the gap. Strategies that target distinct application niches or underserved geographies can avoid direct head-to-head competition with the leading incumbents.
Concentration: ModerateIMEC–Ghent University axis is the dominant co-filing partnership
The most active co-filing pair in the corpus is imec (Interuniversitair Micro-Electronics Centrum) and Ghent University, with 73 jointly filed patent families — far exceeding any other partnership. Samsung and imec have co-filed 5 families, and imec has also collaborated with the University of Aegean (5 families) and Brolis Sensor Technology (2 families). Huawei has one co-filing each with Politecnico di Milano and its US subsidiary. The imec–Ghent axis represents a well-established open-innovation pathway that commercial entrants can engage through research licensing or consortium membership.
Collaboration: ConcentratedUS-centric filing with limited Asia-Pacific coverage
The United States is the primary filing jurisdiction by a large margin, followed by Europe via EPO and WIPO PCT filings. China, Taiwan, Canada, and Japan each have meaningful but substantially smaller presences. South Korea, the UK, India, and Singapore trail further behind. The imbalance suggests that many families have not been validated in Asian manufacturing jurisdictions, creating both freedom-to-operate possibilities and potential coverage gaps for holders whose commercial interest is expanding into Asian markets.
Geography: US-ledGo 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.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| imec (Interuniversitair Micro-Electronics Centrum) | Ghent University | 73 |
| Samsung Electronics Co Ltd | imec (Interuniversitair Micro-Electronics Centrum) | 5 |
| imec (Interuniversitair Micro-Electronics Centrum) | UNIV OF AEGEAN | 5 |
| imec (Interuniversitair Micro-Electronics Centrum) | Brolis Sensor Technology UAB | 2 |
| Huawei Technologies Co Ltd | Politecnico di Milano | 1 |
| Huawei Technologies Co Ltd | Huawei Technologies USA Inc | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Intel and Infinera lead; TSMC and Cisco are the fastest-rising challengers
The top tier splits between broad optical-systems integrators and focused transceiver/networking specialists. Momentum data reveal which incumbents are pressing their advantage and which challengers are closing the gap.
Intel Corp
Intel holds 332 patent families, the largest position in the field, with technology emphasis concentrated in G02B 6 (optical elements and systems, 306 filings), and secondary coverage in H01L semiconductor device integration. Recent momentum is strongly positive at +108% versus the prior three-year period, indicating that Intel is not resting on incumbency but actively expanding its optical interconnect portfolio.
patent families: 332Cisco Technology Inc
Cisco ranks fourth with 188 patent families and is one of the fastest-accelerating players in the top tier, posting +52% recent filing growth. Its technology focus spans G02B 6 (optical elements, 75 filings), G02F 1 (optical control and modulation, 16 filings), and H04B 10 (transmission, 11 filings), a profile that reflects its networking-system integration strategy rather than pure component development.
patent families: 188| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Intel Corp | 175 | ▲ +108% |
| Infinera Corp | 6 | ▲ new entrant |
| Taiwan Semiconductor Manufacturing Co Ltd | 82 | ▲ 3.0× vs prior 3-yr |
| Samsung Electronics Co Ltd | 25 | ▲ +92% |
| Google LLC | 16 | ▼ -68% |
| imec (Interuniversitair Micro-Electronics Centrum) | 13 | ▲ new entrant |
| Huawei Technologies Co Ltd | 14 | ▼ -26% |
| Cisco Technology Inc | 41 | ▲ +52% |
Under-served branches in sensing, modulation, and multiplexing
Several IPC branches adjacent to the dominant G02B core show relatively low patent density given their technical relevance to silicon photonics optical fiber systems; these represent areas of relative sparsity worth monitoring for R&D positioning.
G01N · Material analysis and testing
With 133 patent records, G01N represents only about 1% of the corpus despite silicon photonics being directly applicable to on-chip optical sensing for chemical and biological analysis. The sparse coverage is notable given that fiber-coupled silicon photonic sensors are a plausible extension of waveguide technology already dominant in G02B. Entrants with expertise in evanescent-field sensing or absorption spectroscopy could find relatively open space here, with an entry path through coupling established G02B waveguide IP to sensing-specific claim strategies.
Search this in Eureka →G01S · Radar, sonar and positioning
G01S accounts for 127 patent records, roughly 1% of the corpus, despite LiDAR and photonic ranging being a high-visibility application area for silicon photonic platforms. The relatively low count suggests that coherent ranging and beam-steering implementations in silicon photonics remain under-protected relative to their commercial interest. This branch has plausible technical value given the proliferation of LiDAR in automotive and industrial applications, and an entry path exists through frequency-modulated continuous-wave architectures implemented on standard silicon photonic foundry nodes.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | G02B 6 · Optical elements & systems | H04B 10 · Transmission (general) | H01S 5 · Lasers & stimulated emission | G02F 1 · Optical control & modulation | H04J 14 · Multiplex communication |
|---|---|---|---|---|---|
| Infinera Corp | Strong · 230 | Strong · 197 | Strong · 170 | Strong · 124 | Strong · 145 |
| Intel Corp | Strong · 306 | Emerging · 14 | Absent | Absent | Absent |
| Marvell Asia Pte Ltd | Strong · 81 | Strong · 94 | Moderate · 19 | Absent | Moderate · 43 |
| Taiwan Semiconductor Manufacturing Co Ltd | Strong · 131 | Absent | Absent | Absent | Absent |
| Samsung Electronics Co Ltd | Strong · 97 | Absent | Emerging · 18 | Emerging · 10 | Absent |
| Google LLC | Strong · 102 | Absent | Absent | Absent | Absent |
| imec (Interuniversitair Micro-Electronics Centrum) | Strong · 87 | Absent | Absent | Emerging · 11 | Absent |
Frequently asked questions
The corpus contains 3,589 patent families in scope, with the United States as the primary filing jurisdiction at 2,687 patent records, followed by Europe via EPO at 768 and WIPO PCT at 635.
Intel Corp leads with 332 patent families, followed by Infinera Corp at 293, Marvell Asia at 204, Cisco Technology at 188, and TSMC at 131. These five together account for 29% of the combined output of the hundred largest filers.
Annual filings peaked at 549 in 2022 and have eased since, reaching 486 in 2023 and 399 in 2024. The field is still expanding on a multi-year basis — the recent-window growth rate is 15% — though annual volume has eased from its 2022 peak. Figures for 2025 and 2026 are substantially undercounted due to publication lag.
Among tracked applicants, Intel is up 108% versus its prior three-year period, TSMC is at 3.0× its prior three-year rate, and Samsung is up 92%. Cisco is also accelerating at +52%. By contrast, Google is down 68% and Huawei is down 26% in recent filings.
The dominant co-filing partnership is imec (Interuniversitair Micro-Electronics Centrum) and Ghent University, with 73 jointly filed patent families. Secondary partnerships include Samsung with imec (5 families) and imec with the University of Aegean (5 families). Huawei has co-filed with Politecnico di Milano and its US subsidiary.
Adjacent branches with relatively low patent density include G01N (material analysis and testing, 133 records) and G01S (radar, sonar, and positioning, 127 records), both at approximately 1% of total IPC records despite strong technical relevance to fiber-coupled sensing and LiDAR applications respectively.
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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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