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Samsung patents chip design that uses light cavities to manage signals

Patent drawing from the official filing.

Samsung has filed a patent for a specific type of optical component called a multi-mode interferometer. The design includes small cavities, or hollow spaces, placed next to the input or output sections to help guide light through the device.

Why it mattersThis is a detailed hardware specification for managing light in chips, which is a standard part of developing advanced communication and computing hardware.

In the filing’s own words

A multi-mode interferometer includes an input portion, an output portion, and a multi-mode interference region connected between the input portion and the output portion, where the multi-mode interference region may include at least one cavity corresponding to at least one of the input portion and the output portion. The at least one cavity is provided in a region adjacent to at least one of the input portion and the output portion.

What exactly they claim (claim 1)

1. A multi-mode interferometer comprising: an input portion; an output portion; and a multi-mode interference region connected between the input portion and the output portion, wherein the multi-mode interference region comprises at least one cavity corresponding to at least one of the input portion and the output portion.

Facts

Company: Samsung (SAMSUNG ELECTRONICS CO., LTD.)
Official title: MULTI-MODE INTERFEROMETER AND PHOTONIC INTEGRATED CIRCUIT INCLUDING THE SAME
Publication number: US20260318669A1
Application number: 19461105
Filed: Jan 27, 2026
Published: Oct 15, 2026
Inventors: 9
Claims: 20

Classified under

G01B 9/02027 Physics & computing

Read the full filing (official PDF) ↗ Open in the Patent Tracker

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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.