Sensing:
- Magnetometry, AC, DC
- Electrometry, AC, DC
- Sensing (e.g. NOx)
- Vapour-PMC for atomic clocks and quantum sensing (magnetometry or inertial sensing)
- Single photon detection (is anybody still working on that?)
Clocks:
- Atomic clocks
- CPO, coherent population oscillation
Quantum & Storage:
- Quantum storage
- EIT
- Single Photon Generation
- Squeezing
- Ghost imaging
- Frequency conversion e.g. 780nm → 1367nm in Rb
Tools:
- Locking of Lasers, etc.
- Small and tiny cells
- Long coherence times, cell manufacturing
- Vapour-Photonic microcell
- Imaging (e.g. lifetime imaging, MW, FADOF, Voigt, filtering, etc.)
- Filters (FADOF, pumping)
- Waveguides
- Discharge lamps
- Light generation (e.g. 421nm etc.)
- Guide stars
- Characterization of hollow core fiber properties
- Atomic fibers and other nano-devices
- MEMS atomic vapor cells
Spectroscopy & Fundamentals:
- Rydbergs in hot vapors
- Optical switching in vapors, bistabilities
- Self focusing
- Pattern generation (Honeycomb stuff)
- Surface-atom interactions
- Metamatrials & vapors
- Diffusion measurements
- Saturable Absorbers
- Theory, many body physics
- Fundamental physics
- Conical emission
- Four-wave mixing
- Engineering the HC-PCF modal content for atom optics
- Rydberg state-wall interaction
- Collective phenomena
- Atom-Atom / Atom-Molecule interactions & transitions
- [you have more ideas?]