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Samsung patents heat control for tiny light-based data chips

Patent drawing
Patent drawing from the official filing.

Samsung describes a method to keep tiny light-based data components at the right temperature. It works by measuring the light output and using a small heater to adjust the component's shape so it stays in sync with the data signal.

Why it mattersThis improves the stability of high-speed data connections that use light instead of electricity, which is a key area for future computer hardware.

In the filing’s own words

Provided are systems, methods, and apparatuses for adaptive thermal control for micro-ring modulator in photonic links. In one or more examples, the systems, devices, and methods include receiving a modulation data signal for driving the micro-ring modulator, generating a reference power value based on a duty cycle of the modulation data signal, and sensing an average optical power at a drop port of the micro-ring modulator. The systems, devices, and methods also include comparing the sensed average optical power to the generated reference power value to produce an error signal and using the error signal to regulate a heater associated with the micro-ring modulator to maintain a resonant wavelength of the micro-ring modulator.

What exactly they claim (claim 1)

1. A method for adaptive thermal control of a micro-ring modulator in a photonic link, comprising: receiving a modulation data signal for driving the micro-ring modulator; generating a reference power value based on a duty cycle of the modulation data signal; sensing an average optical power at a drop port of the micro-ring modulator; comparing the sensed average optical power to the generated reference power value to produce an error signal; and using the error signal to regulate a heater associated with the micro-ring modulator to maintain a resonant wavelength of the micro-ring modulator.

Facts

Company
Samsung (Samsung Electronics Co., Ltd.)
Official title
ADAPTIVE THERMAL CONTROL FOR MICRO-RING MODULATORS IN PHOTONIC LINKS
Publication number
US20260309943A1
Application number
19415764
Filed
Dec 10, 2025
Published
Oct 8, 2026
Inventors
4
Claims
20

Classified under

G02B 6/4266 Physics & computingG02B 6/02176 Physics & computingG02B 6/29338 Physics & computingG02B 6/29382 Physics & computingG02B 6/29395 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.
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