Lightmatter was granted a patent for photonic optical flow switching.

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  "signal_subtype": "patentGrant",
  "detected_at": "2026-09-30T17:11:53+00:00",
  "company": {
    "name": "Lightmatter",
    "domain": "lightmatter.co"
  },
  "data": {
    "cpc": [
      {
        "code": "G02B 6/3546",
        "label": "Optical elements, systems, or apparatus"
      },
      {
        "code": "G02B 6/29353",
        "label": "Optical elements, systems, or apparatus"
      },
      {
        "code": "G02B 6/29355",
        "label": "Optical elements, systems, or apparatus"
      }
    ],
    "tags": [
      "Intellectual Property",
      "Research & Development",
      "Optometry",
      "Data Center",
      "Network"
    ],
    "detail": "In September 2026 Lightmatter patented optical switching hardware for data-center and high-performance computing networks, using photonic circuits to route data between ports.",
    "summary": "Lightmatter was granted a patent for photonic optical flow switching.",
    "event_at": "2026-09-29",
    "inventors": [
      {
        "name": "Mihika Prabhu",
        "status": "resolved",
        "is_primary": true,
        "linkedin_url": "https://www.linkedin.com/in/mihika-prabhu-095a1b4a"
      },
      {
        "name": "Alexander Sludds",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/alexander-sludds-22651a226"
      },
      {
        "name": "Aravind Kalaiah",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/aravindkalaiah"
      },
      {
        "name": "Ajay Joshi",
        "status": "unresolved",
        "is_primary": false
      },
      {
        "name": "Bradford Turcott",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/bradfordturcott"
      },
      {
        "name": "Robert Turner",
        "status": "unresolved",
        "is_primary": false
      },
      {
        "name": "Nicholas C. Harris",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/nicholas-harris-7114b233"
      },
      {
        "name": "Darius Bunandar",
        "status": "resolved",
        "is_primary": false,
        "linkedin_url": "https://www.linkedin.com/in/darius-bunandar-966408137"
      }
    ],
    "tech_area": "optics",
    "event_kind": "grant_date",
    "grant_date": "2026-09-29",
    "source_url": "https://patents.google.com/patent/US12748263",
    "cpc_primary": {
      "code": "G02B 6/3546",
      "label": "Optical elements, systems, or apparatus"
    },
    "patent_title": "Optical flow switching using photonic integrated circuits",
    "patent_number": "US12748263",
    "uspto_assignee": "Lightmatter, Inc.",
    "patent_abstract": "Provided herein are optical flow switches, and optical flow switch packages, implemented using photonic switches. The optical flow switch includes a network of photonic switches arranged between input and output ports of the optical flow switch. The network of photonic switches spans two or more reticles, and the two or more reticles may include photonic switching arrangements corresponding to repeated reticle masks or sets of reticle masks. The optical flow switch may be mounted to a glass substrate to form an optical flow switch package.",
    "precision_class": "structural",
    "invention_explanation": "A multi-chip optical switch that uses networks of tiny photonic switches to redirect light-based data flows between connections.",
    "technologies_mentioned": [
      "photonic integrated circuits",
      "optical switching",
      "data-center networking"
    ]
  }
}

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