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!

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

21S is now part of the Meisterklasse!

Twenty-One Semiconductors is visiting this year’s Photonics West trade show in San Francisco. We are looking forward to meet our partners and customers and discover new innovative developments in the fields of laser technology.

21S is now part of the „Forschungsfabrik Mikroelektronik Deutschland“.

Twenty-One Semiconductors is exhibiting for the first time at the LASER World of PHOTONICS show, June 24 – 27, at Munich International Trade Fair Center. We are looking forward to meet our partners and discover the photonics industry’s latest trends and technologies.

Twenty-One Semiconductors is visiting this year’s Photonics West exhibition and SPIE LASE conference in San Francisco. We are looking forward to explore innovative developments in the fields of semiconductor fabrication and laser technology.