Ultra-Stable Laser Metrology Systems
CSEM SA
Ultra-high-stability laser systems for space interferometry — developed for the LISA gravitational wave detection mission.
Technical specifications
- Laser types
- Ultra-stable continuous-wave, femtosecond sources
- Photonic platform
- Thin-film lithium niobate (TFLN), MOEMS foundry
- Heritage programme
- LISA gravitational wave interferometer (ESA/NASA)
- Capabilities
- High-speed modulation, phase shifting, nonlinear photonics
- Applications
- Gravitational wave detection, satellite laser ranging, atomic clocks, quantum sensing, optical space communications
About
CSEM develops ultra-stable continuous-wave and femtosecond laser sources for space science and precision metrology applications. The flagship application is the LISA satellite interferometer (ESA-NASA joint gravitational wave detection mission), for which CSEM has developed ultra-stable continuous-wave laser systems meeting the extreme phase stability and power requirements of long-baseline space interferometry.
The technology draws on CSEM’s deep expertise in photonic integrated circuits (PICs) on thin-film lithium niobate (TFLN) and other photonic platforms, providing high-speed optical modulation, phase shifting, and nonlinear photonic capabilities. Applications include gravitational wave detection, satellite laser ranging, atomic clocks, quantum sensing, and optical communications in space.
Documentation
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