VCSEL Simulation Patent Landscape 2026
VCSEL simulation is a concentrated, post-peak niche dominated by a small group of photonics specialists and university spinouts, with Excelitas Technologies holding the largest share of the ranked field. Annual volume peaked in 2018 and has eased since, though optical-systems and sensing-adjacent branches remain sparsely filed and technically relevant.
Excelitas leads a tightly held field with two clear tiers
Excelitas Technologies Corp holds the top position among the hundred largest filers, followed by Thorlabs Inc and Lumentum Operations LLC. The top five filers together account for half of the combined total for the hundred largest filers, signaling a concentrated competitive structure.
A clear two-tier gap separates the top four applicants — Excelitas, Thorlabs, Lumentum, and Honeywell International — from the rest. Below that cluster, filing activity drops off sharply, with several university technology-transfer offices (University of Southern California, UNM Rainforest Innovations, University of California, Arizona Board of Regents, University of Texas System) active at lower volumes alongside a handful of commercial names.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Excelitas Technologies Corp | 11 | |
| 2 | Thorlabs Inc | 8 | |
| 3 | Lumentum Operations LLC | 7 | |
| 4 | Honeywell International Inc | 6 | |
| 5 | University of Southern California | 4 | |
| 6 | Hewlett Packard Enterprise Development LP | 4 | |
| 7 | II-VI Delaware Inc | 3 | |
| 8 | UNM Rainforest Innovations | 3 | |
| 9 | Regents of the University of California | 3 | |
| 10 | The Arizona Board of Regents on behalf of the University of Arizona | 3 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Avago Technologies International Sales Pte Ltd | 2 | |
| 12 | Wells Fargo Bank NA | 2 | |
| 13 | Zhang Yong Hang | 2 | |
| 14 | TRUMPF Photonic Components GmbH | 2 | |
| 15 | Board of Regents of the University of Texas System | 2 | |
| 16 | Samsung Electronics Co Ltd | 2 | |
| 17 | Axsun Technologies Inc | 1 | |
| 18 | Genesee Valley Innovations LLC | 1 | |
| 19 | Hewlett Packard Development Company LP | 1 | |
| 20 | Song Yoon K | 1 |
The leading positions of vertically integrated photonics firms suggest that VCSEL simulation IP is primarily generated by organizations with in-house device design and manufacturing capabilities rather than pure-software simulation vendors. This pattern implies that competitive moats are built around device-physics know-how rather than general-purpose simulation tooling.
The most recent 18–24 months of filing data are subject to publication lag and likely undercount actual activity; the near-zero values for 2023–2026 should not be read as absence of new work. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2018 filing spike, a dominant laser-physics core, and sparse adjacent branches
The annual trend chart captures a sharp 2018 surge followed by irregular, lower-volume years, while the technology composition chart reveals that laser-and-stimulated-emission physics (H01S) overwhelmingly dominates the corpus, with semiconductor devices, optics, and metrology representing smaller adjacent shares.
Annual filing trend
Filings jumped to a peak in 2018 then pulled back across subsequent years; 2022 shows a secondary uptick before trailing off. Values for 2023 onward reflect publication lag and should be treated as provisional minimums rather than final counts.
↗ Hover for values · click a bar to ask EurekaTechnology composition
H01S (Lasers and stimulated emission) accounts for the large majority of IPC-tagged records, anchoring the corpus firmly in core laser physics. H01L (semiconductor devices) and G02B (optical elements and systems) form a secondary layer, while G01B (dimensional measurement), G01N (material analysis), and G06F (digital data processing) each appear at very low counts — pointing to under-served intersections between VCSEL simulation and sensing or computational methods.
↗ 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.
Coupled cavity anti-guided vertical-cavity surface…
A laser structure (10, 60) and method of manufacturing a vertical-cavity surface-emitting laser (VCSEL). The laser structure (10, 60) is adapted to lase at a wavelength lambda and includes a first mirror stack (14), an active region (18) disposed on the first mirror stack (14) and a second mirror stack (22) disposed on the active region (18). The second… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | High Power Vcsels With Transverse Mode Control | 253 |
| 2 | Coupled cavity anti-guided vertical-cavity surface… | 96 |
| 3 | Multimode vertical-cavity surface-emitting laser a… | 50 |
| 4 | High thermal conductivity vertical cavity surface … | 42 |
| 5 | Controlling beam divergence in a vertical-cavity s… | 29 |
| 6 | High thermal conductivity vertical cavity surface … | 26 |
| 7 | Vertical-cavity surface-emitting laser | 25 |
| 8 | Widely tunable short cavity laser | 20 |
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 structure means for R&D investment decisions
The combination of a post-peak trend, tight concentration, and clear IPC white space suggests that the core laser-physics simulation territory is well-defended by incumbents, but that application-layer intersections remain open.
Post-peak field with annual volume easing from the 2018 high
The lifecycle stage is classified as Decline, driven by annual filings easing back from the 2018 peak. The multi-year window still contains a meaningful body of work, but the directional signal — a 29% recent-period contraction — indicates that the technology’s core patent-generation phase has passed. New entrants should expect a well-occupied prior-art landscape in mainstream VCSEL simulation claims.
Lifecycle: DeclineTop five filers hold half the ranked activity; two-tier gap visible
Excelitas Technologies, Thorlabs, Lumentum, Honeywell International, and University of Southern California collectively account for the top-five share of the hundred largest filers. The drop from the top four to remaining applicants is steep, creating a de facto duopoly-plus tier. A challenger seeking to rank would need to close a sizable filing gap against entrenched incumbents with device-manufacturing integration advantages.
Concentration: HighThorlabs and Previum Research are the most active co-filers
The most frequent co-filing pair is Thorlabs Inc (translated from the original entity name in evidence) and Previum Research, with eight jointly assigned records. A secondary pairing links Zhang Yong Hang with the Arizona Board of Regents on behalf of the University of Arizona, with two shared records. Hewlett Packard Development Company LP also appears in separate co-filings with individual inventors Raymond G. Beausoleil and David A. Fattal, each at one record.
Ecosystem: SparseUS-centric filing with limited PCT and EPO reach
The United States is the dominant filing jurisdiction by a wide margin, followed by WIPO PCT applications and the European Patent Office. Secondary national entries appear in Austria, Israel, Australia, Canada, China, and Germany, each at very low counts. The US-heavy profile suggests that most applicants are not pursuing broad international coverage, which may leave room for jurisdiction-specific filings in Europe or Asia-Pacific.
Geography: US-dominantGo 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 |
|---|---|---|
| Thorlabs Inc | Previum Research | 8 |
| Zhang Yong Hang | The Arizona Board of Regents on behalf of the University of Arizona | 2 |
| David A. Fattal | Hewlett Packard Development Company LP | 1 |
| Raymond G. Beausoleil | Hewlett Packard Development Company LP | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Excelitas and Thorlabs lead by volume; university offices are a distinct secondary tier
The ranked field is led by two commercial photonics firms with clear device-integration strategies, trailed by a set of university technology-transfer offices that reflect academic research activity in VCSEL physics.
Excelitas Technologies Corp
Excelitas Technologies Corp holds the top position with 11 patent records among the ranked applicants, and its momentum is flagged as a new entrant trajectory — 5 recent records — suggesting it built its position relatively recently rather than through a long-standing filing program. Its IPC emphasis data is pending in the current evidence set, but its dominant count in a laser-physics-heavy corpus points to core H01S simulation claims.
patent records: 11Thorlabs Inc
Thorlabs Inc ranks second with 8 patent records and is the most active co-filing partner in the corpus, collaborating with Previum Research on 8 jointly assigned records. This co-filing activity is notable in a corpus of this size and indicates a partnership-based filing strategy rather than purely internal R&D. Technology emphasis details at the IPC sub-class level are evidence pending.
patent records: 8| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Excelitas Technologies Corp | 5 | ▲ new entrant |
Optical systems, dimensional metrology, and material analysis are under-served branches
Against the H01S-dominated core, four IPC branches appear at notably low counts, representing areas where VCSEL simulation intersects with adjacent disciplines but has generated little dedicated patent activity to date.
G02B · Optical elements and systems
With 7 patent records and an 8% share of IPC-tagged records, G02B is the largest of the sparse adjacent branches. VCSEL beam-shaping, far-field divergence modeling, and integrated optical system simulation all plausibly fall here. The technical connection to core VCSEL simulation is direct — beam divergence control appears among the most-cited works in the corpus — yet dedicated G02B-classified simulation filings remain thin. An entrant with computational optics capability and photonic integration experience could find room to build differentiated claims.
Search this in Eureka →G01N · Material analysis and testing
G01N (material analysis and testing) and G01B (dimensional measurement) together account for only 6 patent records, representing a sparse intersection between VCSEL simulation and sensor or metrology applications. Given the expanding use of VCSELs in LiDAR, structured light, and spectroscopic sensing, simulation tools that model performance in measurement contexts have plausible technical value. However, the current evidence shows minimal prior-art density here, and a realistic entry path would likely require combining photonic device physics with application-layer sensor modeling expertise.
Search this in Eureka →Frequently asked questions
The corpus in scope contains 41 patent families. This is a specialized niche within the broader VCSEL and photonics landscape, reflecting the focused nature of simulation-specific intellectual property.
Excelitas Technologies Corp leads the ranked field with 11 patent records, ahead of Thorlabs Inc with 8 and Lumentum Operations LLC with 7.
The field is classified as Decline, with annual filings easing back from a peak in 2018. A 29% contraction in recent-period activity supports this reading, though the most recent 18–24 months are subject to publication lag.
The United States is the primary filing jurisdiction, followed by WIPO PCT and the European Patent Office. All other national offices — including Austria, Israel, Australia, Canada, China, and Germany — appear at very low counts.
Yes. The most active co-filing pair is Thorlabs Inc and Previum Research, sharing 8 jointly assigned records. Zhang Yong Hang and the Arizona Board of Regents on behalf of the University of Arizona share 2 records. Hewlett Packard Development Company LP appears in separate single-record co-filings with individual inventors Raymond G. Beausoleil and David A. Fattal.
The sparsest IPC branches relative to the dominant H01S core are G02B (optical elements and systems, 7 records), G01B (dimensional measurement, 4 records), G01N (material analysis and testing, 2 records), and G06F (digital data processing, 1 record). These represent technically adjacent areas with limited dedicated prior art.
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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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