Geometrically asymmetric optical cavity for strong atom-photon coupling
Name
PhysRevA.99.013437.pdf
Size
1.18 MB
Format
Adobe PDF
Checksum (MD5)
cdcc044a49e552bd663c5979f8045ada
Author(s)
Kawasaki, Akio
Braverman, Boris
Pedrozo Penafiel, Edwin Eduardo
Shu, Chi
Colombo, Simone
Li, Zeyang
Ozel, Ilkem Ozge
Chen, Wenlan
Salvi, Leonardo
Heinz, Andre
Date Issued
January 2019
Journal
Physical Review A
Publisher
American Physical Society
Citation
Kawasaki, Akio et al. "Geometrically asymmetric optical cavity for strong atom-photon coupling." Physical Reveiw A 99, 1 (January 2019): 013437 © 2019 American Physical Society
Version
Final published version
Abstract
Optical cavities are widely used to enhance the interaction between atoms and light. Typical designs using a geometrically symmetric structure in the near-concentric regime face a tradeoff between mechanical stability and high single-atom cooperativity. To overcome this limitation, we design and implement a geometrically asymmetric standing-wave cavity. This structure, with mirrors of very different radii of curvature, allows strong atom-light coupling while exhibiting good stability against misalignment. We observe effective cooperativities ranging from η[subscript eff] = 10 to η[subscript eff] = 0.2 by shifting the location of the atoms in the cavity mode. By loading ¹⁷¹ Yb atoms directly from a mirror magneto-optical trap into a one-dimensional optical lattice along the cavity mode, we produce atomic ensembles with collective cooperativities up to Nη = 2×10⁴. This system opens a way to preparing spin squeezing for an optical lattice clock and to accessing a range of nonclassical collective states.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Research Laboratory of Electronics
MIT-Harvard Center for Ultracold Atoms
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DOI of Published Version
https://doi.org/10.1103/PhysRevA.99.013437
