Transition from a polaronic condensate to a degenerate Fermi gas of heteronuclear molecules

M Duda, XY Chen, A Schindewolf, R Bause… - Nature Physics, 2023‏ - nature.com
The interplay of quantum statistics and interactions in atomic Bose–Fermi mixtures leads to a
phase diagram markedly different from pure fermionic or bosonic systems. However …

Ultracold gas of dipolar NaCs ground state molecules

I Stevenson, AZ Lam, N Bigagli, C Warner, W Yuan… - Physical Review Letters, 2023‏ - APS
We report on the creation of bosonic NaCs molecules in their absolute rovibrational ground
state via stimulated Raman adiabatic passage. We create ultracold gases with up to 22 000 …

Ultracold sticky collisions: Theoretical and experimental status

R Bause, A Christianen, A Schindewolf… - The Journal of …, 2023‏ - ACS Publications
Collisional complexes, which are formed as intermediate states in molecular collisions, are
typically short-lived and decay within picoseconds. However, in ultracold collisions involving …

Evaporation of microwave-shielded polar molecules to quantum degeneracy

A Schindewolf, R Bause, XY Chen, M Duda, T Karman… - Nature, 2022‏ - nature.com
Ultracold polar molecules offer strong electric dipole moments and rich internal structure,
which makes them ideal building blocks to explore exotic quantum matter,,,,,,,–, implement …

An optical tweezer array of ground-state polar molecules

JT Zhang, LRB Picard, WB Cairncross… - Quantum Science …, 2022‏ - iopscience.iop.org
Fully internal and motional state controlled and individually manipulable polar molecules
are desirable for many quantum science applications leveraging the rich state space and …

Site-selective preparation and multistate readout of molecules in optical tweezers

LRB Picard, GE Patenotte, AJ Park, SF Gebretsadkan… - PRX Quantum, 2024‏ - APS
Polar molecules are a quantum resource with rich internal structure that can be coherently
controlled. The structure, however, also makes the state preparation and measurement …

Pound–Drever–Hall feedforward: laser phase<? TeX\break?> noise suppression beyond feedback

YX Chao, ZX Hua, XH Liang, ZP Yue, L You… - Optica, 2024‏ - opg.optica.org
Pound–Drever–Hall (PDH) laser frequency stabilization is a powerful technique widely used
for building narrow linewidth lasers. This technique is, however, ineffective in suppressing …

Enhanced quantum state transfer via feedforward cancellation of optical phase noise

BP Maddox, JM Mortlock, TR Hepworth, AP Raghuram… - Physical review …, 2024‏ - APS
Many experimental platforms for quantum science depend on state control via laser fields.
Frequently, however, the control fidelity is limited by optical phase noise. This is exacerbated …

Efficient Creation of Ultracold Ground State Polar Molecules

C He, X Nie, V Avalos, S Botsi, S Kumar, A Yang… - Physical Review Letters, 2024‏ - APS
We report the creation of ultracold ground state Li 6 K 40 polar molecules with high
efficiency. Starting from weakly bound molecules, stimulated Raman adiabatic passage is …

Efficient pathway to NaCs ground state molecules

C Warner, N Bigagli, AZ Lam, W Yuan… - New Journal of …, 2023‏ - iopscience.iop.org
We present a study of two-photon pathways for the transfer of NaCs molecules to their
rovibrational ground state. Starting from NaCs Feshbach molecules, we perform bound …