Measurement of spin precession is central to extreme sensing in physics,, geophysics,
chemistry, nanotechnology and neuroscience, and underlies magnetic resonance …

We describe a comagnetometer employing the f= 1 and f= 2 ground state hyperfine
manifolds of a Rb 87 spinor Bose-Einstein condensate as colocated magnetometers. The …

Multi-second magnetic coherence in a single domain spinor Bose–Einstein condensate -
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We study the generation of planar quantum squeezed (PQS) states by quantum
nondemolition (QND) measurement of an ensemble of Rb 87 atoms with a Poisson …

We propose and demonstrate cavity-enhanced polarization-rotation measurement as a
means to detect magnetic effects in transparent media with greater sensitivity at equal …

We report dispersive spin shot noise measurement of a Bose--Einstein condensate (BEC).
While dispersive probing has been used for quantum spin noise measurement of thermal …

Our recent report on Electro-Mechano-Optical (EMO) NMR proved the feasibility of up-
conversion of NMR signals from radio-frequency to optical regimes using a metal-coated …

We present interferometeric measurements of the f= 1 to f= 2 interhyperfine scattering
lengths in a single-domain spinor Bose-Einstein condensate of Rb 87. The interhyperfine …

In this work we demonstrate the first realization of a comagnetormeter in the ultracold
regime. In comparison to regular magnetometers, which are designed to maximize their …

About a decade ago, optically levitated nanoparticles have been proposed for macroscopic
tests of quantum mechanics. For such tests, the thermal motion of the particle's center of …