meXl

Laser Crystals for Watt-level Yellow Lasers.

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Services

We offer epitaxial semiconductor growth of phosphide and arsenide material, various characterization methods and technical advice on fabrication of optoelectronic devices.

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Innovation

We combine innovative laser concepts with the latest semiconductor fabrication technology for high-performance devices.

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Company

As a spin-off from the University of Stuttgart, Twenty-One Semiconductors has longstanding experience in semiconductor growth and laser engineering.

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Events

Laser World of Photonics 2022

Discover MEXL Gain Crystals, the next generation laser crystals for watt-level yellow lasers, presented at the LASER World of PHOTONICS show, April 26 - 29!

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Events

Breaking the wall!

Twenty-One Semiconductors is among the finalists for the Falling Walls Breakthrough of the Year 2020.

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general

EPIC member

Twenty-One Semiconductors joins EPIC!

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Do you have any questions? We will be pleased to help you.

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