Photonic Beamforming Technology 2026 — PatSnap Eureka
Photonic Beamforming Technology Landscape 2026
Optical phased arrays, photonic integrated circuits, and RF photonic beamforming networks are redefining how 5G/6G, LiDAR, and defense radar steer electromagnetic beams — with superior bandwidth, reduced latency, and immunity to electromagnetic interference that electronics alone cannot match.
Two Principal Axes of Photonic Beamforming
Photonic beamforming as revealed in this dataset operates along two principal axes: optical phased arrays (OPAs) implemented on photonic integrated circuit (PIC) platforms, which achieve beam steering by controlling the relative phase of light emitted from an array of optical antennas; and photonic beamforming networks (OBFNs) that process radio-frequency signals in the optical domain — modulating RF signals onto optical carriers, routing them through integrated waveguide architectures, and converting them back to RF at photodetectors.
Within OPA technology, the dataset captures implementations across silicon photonics, indium phosphide (InP), and nano-inverse-designed silicon-on-insulator platforms. Raytheon's cluster of active patents describes a PIC substrate integrating lasers, electro-optic modulators (EOMs), an optical Butler matrix, and photodetectors in a single chip-level architecture for RF beamforming.
The optical Butler matrix is the key functional block: it generates spatially beamformed optical signals from multiple modulated inputs, analogous to the Butler matrix in conventional phased array radar but operating entirely in the optical domain. OPA beam steering for LiDAR and free-space sensing forms the second major sub-domain, with Samsung Electronics and academic institutions contributing foundational design criteria for pixel limitations, grating lobe suppression, and phase range requirements for 2π coverage.
The technology is gaining urgent relevance in 2026 as 5G/6G mmWave communications, solid-state LiDAR, and next-generation radar demand beamforming solutions that electronics alone cannot deliver at the required speed, size, and integration density. For broader context on photonic integration standards, see IEEE photonics research.
Four Photonic Beamforming Architecture Approaches
The dataset reveals four distinct architectural clusters, each targeting different application requirements and integration platforms.
PIC-Based RF Photonic Beamforming via Optical Butler Matrix
RF signals are modulated onto optical carriers using electro-optic modulators, routed through an on-chip Butler matrix — a passive waveguide network applying fixed phase progressions for spatial beamforming — and detected at photodetectors. The system is fully integrated on a single PIC substrate with co-integrated laser sources. Raytheon Company holds three active Israeli patents (2021–2022) covering this architecture.
Raytheon Company (IL) EOM + Optical Butler MatrixOn-Chip Optical Phased Arrays for Beam Steering
OPAs implemented in waveguide-based photonic platforms use phase shifters at each antenna element to create steerable far-field beams without mechanical parts. Binary-tree splitter topologies enable scaling to large channel counts. Phase control is achieved thermo-optically or electro-optically depending on platform (Si, InP, InGaAs/InP). Samsung Electronics' 2023 Korean patent addresses scalable LiDAR OPA architectures with N = 2^M antenna scaling.
Samsung Electronics (KR) Binary-Tree Splitter TopologyBroadband and Multi-Wavelength OPA on III–V Platforms
InP-based OPAs exploit the native active/passive integration capability of InP to co-integrate lasers, phase modulators, and antenna elements in a single epitaxial platform. This enables multi-wavelength operation and 2D beam steering through dispersive gratings. Nokia Bell Labs' 2021 review articulated the case for InP as the integration platform of choice for THz signal generation in 6G beamforming architectures. Calibration across broadband tuning ranges is a key technical challenge.
Nokia Bell Labs (2021) InP Monolithic IntegrationZero-Path-Difference and Planar OPA Architectures
A distinct architectural branch builds OPAs with zero optical path length difference between all elements, enabling operation with incoherent or broadband light sources. Implemented as near-planar photonic devices on wafers, these arrays can function as passive direction-finding instruments (e.g., star trackers) or, when driven by a coherent source, as beam projectors with dramatically reduced form factor compared to 3D gimbal-based optical systems. Charles Stark Draper Laboratory's 2024 patent targets this space navigation use case.
Draper Laboratory (JP, 2024) Near-Planar Wafer ArchitecturePatent Filing Trends and Technology Distribution
Visual analysis of innovation signals derived from the PatSnap Eureka photonic beamforming dataset.
Innovation Timeline: Filing Density by Period
The most technically substantive filings are concentrated between 2019 and 2024, with 2022–2024 constituting the densest cluster for photonic beamforming IP in this dataset.
Records by Application Domain
LiDAR and defense radar account for the dominant share of photonic beamforming patent activity in this dataset, with 5G/6G and optical computing emerging.
Who Holds Photonic Beamforming IP — and Where
In this dataset, PIC-level photonic beamforming IP is highly concentrated. Raytheon accounts for the majority of active patent filings, with academic institutions dominating the literature side.
| Assignee | Filing Count | Jurisdiction(s) | Technology Focus | Period |
|---|---|---|---|---|
| Raytheon Company / BBN Technologies | 5 | IL, JP, KR | Optical Butler Matrix PICs; Photonic Ising OPA Compute Engine | 2021–2024 |
| Rafael Advanced Defense Systems | 4 | IL | Laser Beam Unification; Directed-Energy Photonic Beamforming | 2009–2017 |
| Aeva Inc. | 2 | JP, KR | Coherent FMCW LiDAR; Multi-Target Peak Association | 2023–2025 |
| Samsung Electronics | 1 | KR | OPA-Based LiDAR; Binary-Tree Splitter Scaling (N=2^M) | 2023 |
| Charles Stark Draper Laboratory | 1 | JP | Zero Optical-Path-Length-Difference OPA; Star Tracking | 2024 |
| Myongji University (IACO Foundation) | 1 | KR | Optical Beamforming Network for mmWave High Frequency Band | 2019 |
Explore geographic filing patterns with PatSnap Analytics
Map jurisdiction strategies across IL, KR, JP, and beyond for photonic PIC IP.
Five Acceleration Vectors in Photonic Beamforming
Based on the most recent filings in this dataset, four to five directions are clearly accelerating — from nano-inverse-design to analog optical computing.
Nano-Inverse-Design for Ultra-Compact OPA Splitters
Southwest University's 2023 literature proposes inverse-designed T-branch splitters covering a 500 nm bandwidth (1300–1800 nm) with −0.2 dB insertion loss and width-preserving cascading — directly addressing the lateral dimension bottleneck limiting large-scale on-chip OPA integration. This 3D FDTD-based computational design approach is emerging as the tool of choice for OPA component miniaturization.
OPA-Based Analog Optical Computing
Raytheon BBN's 2024 Photonic Ising Compute Engine filings (KR and JP) represent a novel non-communications application for OPA hardware — using the interference pattern of a phased array as an analog Ising Hamiltonian solver. This signals that OPA PIC platforms are being repositioned beyond sensing and communications into computing. Patent thickets in this space are not yet dense, presenting early-filer opportunities.
Planar Star-Tracker OPA for Space Applications
The Draper Laboratory's 2024 zero-path-difference OPA patent signals a push toward extremely low-SWaP (size, weight, and power) photonic direction-finding for space navigation and pointing, replacing mechanical gimbals with a near-2D planar photonic chip that determines the direction of an incoherent optical source.
Coherent LiDAR with Multi-Target Signal Processing
Aeva's 2025 Multi-Target Peak Association patent (JP) demonstrates FMCW LiDAR signal processing algorithms pairing up-chirp and down-chirp frequency peaks across multiple simultaneous targets — implying that photonic beamformers in automotive LiDAR are moving toward multi-target scene interpretation at the photonic layer.
Where Photonic Beamforming Is Being Deployed
Automotive and Industrial LiDAR represents the dominant application volume in this dataset. Samsung Electronics' binary-tree OPA patent explicitly targets LiDAR miniaturization and cost reduction for autonomous systems. The University of Ottawa's pixel-limitation analysis frames performance requirements — grating lobe suppression, phase range coverage — in the context of LiDAR field-of-view and angular resolution. For broader context on LiDAR standards, see NHTSA autonomous vehicle guidance.
Defense Radar and Electronic Warfare is where Raytheon Company holds the densest cluster of active photonic beamforming PIC patents — three filings in Israel (2021–2022) covering EOM-based RF-over-fiber Butler matrix architectures. The IL jurisdiction, RF signal processing framing, and Raytheon assignee identity all point to radar and electronic warfare beamforming applications. PatSnap's life sciences platform also tracks analogous photonic integration trends in medical imaging.
5G/6G mmWave Communications is addressed by Myongji University's Optical Beamforming Network for High Frequency Band (2019, KR), which directly targets mmWave base station beamforming, proposing OBFN chips to reduce mmWave array size and insertion loss. Nokia Bell Labs' InP monolithic integration review frames THz photonic beamforming as essential for beyond-5G network capacity. The ITU's IMT-2030 framework provides the regulatory context for these 6G photonic beamforming requirements.
Optical Computing and Neuromorphic Processors represent an emerging and distinctive application: Raytheon BBN Technologies' Photonic Ising Compute Engine patents (2024) use OPA beam-intensity feedback measured by a focal plane array to solve Ising optimization problems. The OPA functions as an analog compute element, not a communications device. Explore PatSnap Analytics for landscape analysis of photonic computing IP.
Patent Jurisdiction Distribution in This Dataset
Israel dominates for defense-oriented photonic PIC filings; Korea and Japan host commercial and academic OPA innovation.
Active Filings by Jurisdiction
Israel (IL) is the primary jurisdiction for Raytheon Butler matrix PICs and Rafael beam-unification filings, reflecting defense procurement linkages.
Platform Technology Distribution
Silicon photonics, InP, and nano-inverse-designed SOI platforms each serve distinct application requirements in the photonic beamforming ecosystem.
What the Photonic Beamforming Landscape Means for R&D Teams
Key strategic takeaways for IP professionals, R&D teams, and technology strategists derived from this dataset analysis.
Design Around the Butler Matrix PIC Architecture
Raytheon's Butler matrix PIC portfolio, filed primarily in Israel, creates a strong moat around integrated optical beamforming for radar and electronic warfare. Entrants should design around the EOM + optical Butler matrix + photodetector architecture or target application-specific sub-combinations such as receive-only or transmit-only path PICs.
Raytheon IL cluster (2021–2022)Monitor Nano-Inverse-Design IP from Chinese Academic Groups
OPA LiDAR is approaching commercial-scale integration, but lateral dimension constraints remain the critical unsolved problem. The nano-inverse-design approach emerging from Southwest University, Chongqing represents the most credible near-term solution for large-scale on-chip OPAs. R&D teams building LiDAR OPAs should monitor and potentially license inverse-design IP from this cluster. Use PatSnap Analytics to track this emerging cluster.
SW University, Chongqing (2023)InP Platforms Are an Underserved IP Space
InP platforms retain a structural advantage for monolithic integration of active and passive OPA functions — particularly for mid-infrared operation (relevant to countermeasures, atmospheric sensing) and for co-integration with quantum cascade lasers. This is an underserved IP space outside of academic publications. PatSnap's materials and chemicals intelligence can identify adjacent InP fabrication IP.
Nokia Bell Labs, TU EindhovenEarly-Filer Opportunity in Photonic Analog Computing
The convergence of OPA beamforming hardware with optical computing — as evidenced by the Raytheon BBN Ising Engine filings — opens a novel IP white space. Combinatorial optimization using photonic interference is technically nascent, and patent thickets in this space are not yet dense. Early filers could establish foundational positions in photonic analog computing using beamformer architectures. Explore the PatSnap customer success stories for analogous white-space identification cases.
Raytheon BBN (KR, JP, 2024)Photonic Beamforming Technology — Key Questions Answered
Photonic beamforming encompasses the use of photonic integrated circuits, optical phased arrays, and photonic signal processing architectures to steer, shape, and control electromagnetic beams — replacing or augmenting conventional electronic beamforming with optical domain processing that offers superior bandwidth, reduced latency, and immunity to electromagnetic interference.
In this dataset, Raytheon Company and Raytheon BBN Technologies hold the dominant position with 5 active filings covering optical Butler matrix PICs and Photonic Ising OPA compute engines. Rafael Advanced Defense Systems holds 4 active filings in laser beam unification. Samsung Electronics, Charles Stark Draper Laboratory, and Aeva Inc. each hold 1–2 active filings in LiDAR and zero-path-difference OPA architectures.
The main application domains identified in this dataset are: automotive and industrial LiDAR (dominant by volume), defense radar and electronic warfare (RF photonic beamforming via Butler matrix PICs), 5G/6G mmWave communications (optical beamforming networks for base stations), optical computing and neuromorphic processors (OPA-based Ising solvers), and astronomy and space navigation (planar star-tracker OPAs replacing mechanical gimbals).
The dataset captures OPA implementations across silicon photonics, indium phosphide (InP), and nano-inverse-designed silicon-on-insulator platforms. InP platforms retain a structural advantage for monolithic integration of active and passive OPA functions — particularly for mid-infrared operation and co-integration with quantum cascade lasers.
Four directions are clearly accelerating based on the most recent filings: (1) nano-inverse-design for ultra-compact OPA splitters covering 500 nm bandwidth with −0.2 dB insertion loss; (2) OPA-based analog optical computing using photonic interference as an Ising Hamiltonian solver; (3) planar star-tracker OPAs for space navigation replacing mechanical gimbals; and (4) coherent LiDAR with advanced multi-target FMCW signal processing at the photonic layer.
Israel (IL) is the primary jurisdiction for Raytheon optical Butler matrix PIC filings and Rafael beam-unification patents, reflecting defense procurement linkages. Korea (KR) hosts Samsung's LiDAR OPA, Myongji University's mmWave OBFN, Huawei beam-refinement, and Raytheon BBN Ising engine filings. Japan (JP) hosts the Draper zero-path-difference OPA and Raytheon BBN Ising engine counterpart. Academic contributions span the Netherlands, United States, Belgium, and China.
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References
- Broadband Operation of an InP Optical Phased Array — Technical University of Eindhoven, 2022
- Optical Beamforming Photonic Integrated Circuit (PIC) — Raytheon Company, 2022, IL
- Optical Beamforming Photonic Integrated Circuit (PIC) — Raytheon Company, 2021, IL
- Optical Beamforming Photonic Integrated Circuit (PIC) — Raytheon Company, 2022, IL
- OPA for Beam Steering and LiDAR System — Samsung Electronics Co., Ltd., 2023, KR
- Photonic Ising Computation Engine with Optical Phased Array — Raytheon BBN Technologies Corp., 2024, JP
- Photonic Ising Compute Engine with Optical Phased Array — Raytheon BBN Technologies Corp., 2024, KR
- Zero Optical-Path-Length-Difference Optical Phased Array — The Charles Stark Draper Laboratory Inc., 2024, JP
- Ultra-Compact and Broadband Nano-Integration Optical Phased Array — Southwest University, Chongqing, 2023
- On the Performance of Optical Phased Array Technology for Beam Steering: Effect of Pixel Limitations — University of Ottawa, 2020
- Optical Phased Array Beam Steering in the Mid-Infrared on an InP-Based Platform — University of Texas at Austin, 2020
- Towards Monolithic InP-Based Electronic Photonic Technologies for Beyond-5G — Nokia Bell Labs, 2021
- An InP-Based Vortex Beam Emitter with Monolithically Integrated Laser — University of Tokyo, 2018
- Optical Beamforming Network System for High Frequency Band — Myongji University IACO Foundation, 2019, KR
- An Introduction to InP-Based Generic Integration Technology — Eindhoven University of Technology, 2014
- PLAT4M: Progressing Silicon Photonics in Europe — Ghent University-IMEC, 2015
- Programmable Photonics: An Opportunity for an Accessible Large-Volume PIC Ecosystem — Ghent University-IMEC, 2020
- Multi-Target Peak Association Technique in Coherent LIDAR Systems — Aeva Inc., 2025, JP
- Coaxial Local Oscillator Generation in the Conjugate Focal Plane of an FMCW LIDAR System — Aeva Inc., 2023, KR
- ITU — International Telecommunication Union: IMT-2030 (6G) Framework
- IEEE — Institute of Electrical and Electronics Engineers: Photonics Research
- NHTSA — National Highway Traffic Safety Administration: Autonomous Vehicle Guidance
All data and statistics on this page are sourced from the references above and from PatSnap's proprietary innovation intelligence platform. This landscape is derived from a targeted set of patent and literature records and represents a snapshot only — it should not be interpreted as a comprehensive view of the full industry.
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