Thermally stable integrated laser

Thursday 2 August 2018

One problem in silicon photonics is that current integrated light sources are very sensitive to variations in the operating temperature.

Together with the Centre for Advanced Photonics & Process Analysis we have developed a hybrid laser with an external reflector based on silicon nitride gratings. The silicon nitride grating has a low thermo-optic coefficient and so our laser can operate unaffected over a large temperature range.

Our laser has a low threshold power, provides mW level output power and shows stable operation over a wide temperature range.

The full article is published in Applied Optics.

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