### All Topical Groups

FOUNDATIONS OF METROLOGY

- Non-Classical Light
- Twisted Light
- Backaction-Evading Techniques
- Novel Micro-Optomechanical Mirrors
- Structured Illumination at the Nanoscale
- Single Photons
- Laser Development and Stabilisation for Next-Generation GWDs
- Spin and Transport Model
- Spin-Squeezing and Non-Classical States
- Open Many-Body Quantum Systems
- Topological Systems
- Quantum Electrical Standards
- Quantum Optics and Sensing in Microgravity
- Cold Atoms in Space

APPLICATIONS IN METROLOGY

- Quantum Computation Concepts
- Sub-Standard Quantum Limit in Suspended Interferometers
- Tests of Fundamental Physics: Gravity
- Tests of Fundamental Physics: Spectroscopy
- Quantum Sensors for Geodetical Observations and Relativistic Geodesy
- Optical Clocks in Networks
- TrapFab
- Space Laser Gravimetry
- Optical Simulations
- Education and Outreach
- Electron Microscopy
- Quantum Navigation