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Microcontroller based scanning transfer cavity lock for long-term laser frequency stabilization
S. Subhankar, A. Restelli, Y. Wang +2
We present a compact all-digital implementation of a scanning transfer cavity lock (STCL) for long-term laser frequency stabilization. An interrupt-driven state machine is employed…
Coherent optical nano-tweezers for ultra-cold atoms
P. Bienias, S. Subhankar, Y. Wang +8
There has been a recent surge of interest and progress in creating subwavelength free-space optical potentials for ultra-cold atoms. A key open question is whether geometric potent…
A Wavefunction Microscope for Ultracold Atoms
Sarthak Subhankar, Yang Wang, Tsz-Chun Tsui +2
Quantum simulations with ultracold atoms typically create atomic wavefunctions with structures at optical length scales, where direct imaging suffers from the diffraction limit. In…
Griffiths Physics in an Ultracold Bose Gas
M. E. W. Reed, Z. S. Smith, Aftaab Dewan +1
Coupled XY model systems consisting of three-dimensional (3D) systems with disordered interlayer physics are of significant theoretical interest. We realize a set of coupled quasi-…
Spectral Asymmetry of Atoms in the van der Waals Potential of an Optical Nanofiber
B. D. Patterson, P. Solano, P. S. Julienne +2
We measure the modification of the transmission spectra of cold Rb atoms in the proximity of an optical nanofiber (ONF). Van der Waals interactions between the atoms an the…