Heterogeneous Laser Integration Patents: Who Leads, Where the Gaps Are 2026
What this landscape covers
This landscape tracks patent activity at the intersection of heterogeneous laser integration, III-V-on-silicon lasers and silicon photonics circuits — the hardware problem of putting a light source onto or next to a silicon photonic chip. The scope spans 55 published records filed or published between 2015 and the 2026-07-31 cut-off, drawn from a search string built around integrated laser photonics, photonic circuit and silicon photonics terms.
Records here mix component-level claims (waveguides, optical couplers, alignment structures) with system-level transceiver and transmission claims, so the same filing can carry both an optics class and a communications class. That overlap matters when reading the class breakdown below: it is a feature of how these inventions get claimed, not noise in the data.
Filing trend and technology composition
Two views of the same 55-record set: how filing volume has moved year over year, and which IPC subclasses carry the claim weight.
Filing trend, 2017–2026
Filings peaked at 13 in 2017 and have declined toward 0 in the most recent, still-partial year. Because publication typically lags filing by around 18 months, the last one to two years on this chart understate actual filing activity rather than reflecting a real drop-off.
IPC subclass composition
G02B (optical elements & systems) appears on 72.7% of the 55 records, H04B (transmission) on 45.5%, and H01S (lasers & stimulated emission) on 32.7%. A handful of subclasses — H01L, H04J, H04M, H10F, H10H — each cover a single record, marking narrow, largely unclaimed adjacencies rather than active sub-fields. Because records can carry multiple classes, these shares sum to well over 100% and should not be read as a partition of the field.
Shares are the percentage of the 55 records in scope. A patent can carry several IPC classes, so the shares add up to more than 100%.
Go deeper on Integrated Photonics — Heterogeneous Laser Integration Patent Landscape with Eureka
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Try EurekaRepresentative filing and most-cited records
Optical bench apparatus and fabrication method for heterogeneous laser integration (WO2023211361A1)
Describes an optical bench apparatus for heterogeneous laser integration: a first chip with a substrate, a waveguide and an optical bench, at least one vertical alignment pillar formed on the bench, and a separate active chip carrying a second waveguide, together with a method for fabricating the assembly.Filed by Compoundtek Pte. Ltd., published 2023-11-02.
| # | Publication no. | Patent title | Citations |
|---|---|---|---|
| 1 | US20160013866A1 | Multichannel coherent transceiver and related apparatus and methods | 38 |
| 2 | US20190131772A1 | Electro-optical device with lateral current injection regions | 20 |
| 3 | US20150333829A1 | Multimode optical fiber transmission system including single mode fiber | 19 |
| 4 | WO2021170200A1 | Optical coupler comprising a molded optical interposer together with a PIC and 2 polarization selective eleme… | 18 |
| 5 | US20230152537A1 | Optical Coupler Comprising a Molded Optical Interposer Together with a PIC and 2 Polarization Selective Eleme… | 17 |
| 6 | US20150331181A1 | Multimode optical fiber and system including such | 15 |
| 7 | US10340661B2 | Electro-optical device with lateral current injection regions | 13 |
| 8 | US20190140425A1 | Electro-optical device with lateral electron blocking layer | 11 |
| 9 | US20180003890A1 | Coated low loss optical fiber with small diameter | 10 |
| 10 | US20170336559A1 | Optical fiber for both multimode and single-mode operation and transmission system therefor | 10 |
Citation counts favour older records simply because they have had longer to be cited — read them as a signal of influence within this corpus, not as a measure of current relevance.
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Browse MCP servers →What the numbers mean for a filing decision
Reading the ranking, the trend and the class mix together points to where claim space is occupied and where it is thin.
One filer well ahead, then a fast drop-off
The leading assignee's family count is more than seven times the fifth-ranked filer's, and the ranked list runs to just 15 companies with the tenth position holding only 1 family. That shape says the core integration approaches are being worked by a small group, with everyone else filing narrowly or opportunistically.
Activity has cooled from its 2017 peak
Filing volume peaked at 13 in 2017 and has trended down since, reaching 0 in the latest, still-partial year. Recent-year momentum across the tracked assignees shows no filings in the latest year for any of them, which is consistent with a maturing wave of core filings rather than a sudden exit from the space.
Optics claims dominate over laser-specific claims
G02B (optical elements & systems) touches nearly three-quarters of records, ahead of H04B transmission claims (45.5%) and H01S laser/stimulated-emission claims (32.7%). Several adjacent subclasses — semiconductor devices, multiplex and telephonic communication, light-sensitive and light-emitting semiconductor devices — appear on only a single record each.
US filings dominate, PCT is the main secondary route
The United States receives the largest share of filings, with WIPO/PCT the next most common route, followed by smaller counts at the EPO, UK, Singapore and Malaysia. That spread suggests applicants are securing US rights first and using PCT to hold options open elsewhere, rather than filing broadly across jurisdictions from the outset.
Eureka can read the same corpus for gaps instead of for coverage: under-claimed branches adjacent to integrated photonics — heterogeneous laser integration patent landscape, with the prior art for and against each one.
Where to take this next
The ranking and class data point to specific next checks rather than a general read of the field.
Map the leader's claim boundaries
With 22 families against a fifth-place count of 3, the top assignee's actual claim scope — not just its family count — determines how much room remains for a new entrant working the same integration approach.
Explore assignee claims in EurekaWatch the thin IPC branches
Subclasses carrying a single record each — semiconductor devices, multiplex communication, light-emitting devices — are too sparse to call settled either way and worth a closer prior-art check before drafting.
Run a white space search in EurekaTrack the next publication window
With the trend showing 0 in the latest partial year and publication lagging filing by around 18 months, real recent activity will only become visible over the next reporting cycles.
Set up monitoring in EurekaCommon questions on this landscape
In this dataset of 55 published records, one assignee leads clearly with 22 families, well ahead of the fifth-ranked filer at 3 families. The ranking covers 15 companies total, and it drops to a single family by tenth place, so most participants hold only one or two filings each. This shape indicates a small group doing sustained work on integration architectures, with a long tail of narrower or one-off filings around specific components.
Filing volume peaked at 13 in 2017 and has trended downward since, reaching 0 in the most recent, still-partial year. Because patent publication typically lags actual filing by around 18 months, the last year or two on any trend chart understate real activity — a filing made in late 2025 or 2026 may not show up in this dataset yet. Treat the recent decline as a data artefact of timing rather than confirmed evidence that interest in the space has dropped.
The dominant class is G02B (optical elements & systems), appearing on 72.7% of the 55 records in scope, followed by H04B (transmission, general) at 45.5% and H01S (lasers & stimulated emission) at 32.7%. Several adjacent classes — semiconductor devices, multiplex communication, telephonic communication, photovoltaic and light-emitting semiconductor devices — each cover only a single record. Because a filing can carry more than one class, these shares add up to more than 100% and should be read as overlapping coverage, not a clean split of the field.
The clearest signal comes from IPC subclasses that show up on only one record each in this 55-record dataset: semiconductor device structures, multiplex communication, telephonic communication, photovoltaic/light-sensitive devices and light-emitting semiconductor devices. These sit adjacent to the dense G02B and H01S claim territory but have not been densely claimed yet. A first-mover claim drafted around one of these intersections — for example, active-chip current injection combined with photonic packaging — has more room to work with than a claim inside the crowded core.
WO2023211361A1, filed by Compoundtek Pte. Ltd. and published in November 2023, covers an optical bench apparatus for heterogeneous laser integration: a first chip with a substrate and waveguide carrying an optical bench, at least one vertical alignment pillar formed on that bench, and a separate active chip with its own waveguide, plus a fabrication method. Anyone building a similar passive-alignment optical bench with a vertical pillar registration feature should read its claims closely before designing a comparable mounting structure. It does not, on its own, cover laser integration approaches that use different alignment mechanisms, such as active alignment or flip-chip bonding without a pillar structure.
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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.
Nothing on this page constitutes an exhaustive prior-art, novelty, freedom-to-operate, or validity search, nor does it constitute legal, financial, investment, or professional advice, and it should not be relied upon as such. Any patent, commercial, or strategic decision should be verified independently and reviewed with qualified patent, legal, and domain professionals. Patsnap makes no warranties, express or implied, as to the accuracy, completeness, or fitness for any particular purpose of the information presented.
Machine translation. Assignee and organisation names originally recorded in Chinese, Japanese or Korean have been rendered into English by an AI translation step so that the tables stay readable. These renderings are best-effort and may not match a company’s registered English name; the original name is what the underlying patent record carries, and it is what any Eureka query launched from this page uses.