Thermoelectric Cooling in Photonics

As photonics systems scale in power and complexity, thermal control is more critical than ever. This white paper explores how thermoelectric coolers (TECs) are enabling high-performance, compact, and stable operation across lasers, imaging sensors, silicon photonics, optical transceivers, and co-packaged optics.

Inside, you’ll find a technical overview of how TECs work, what materials matter, and how performance is measured. Real-world case studies show how Sheetak’s CENTUM® TECs are improving wavelength stability, reducing noise, and enhancing signal quality in mission-critical systems. The paper also highlights emerging thin-film TECs that support next-gen photonics platforms with tighter thermal control in smaller footprints.

Whether you’re designing around laser diodes, tuning optical engines, or troubleshooting thermal crosstalk, this paper gives engineers and system designers a detailed look at how thermoelectrics solve real challenges in modern photonics.

Download our white paper on thermoelectric cooling in photonics below.