192 citations · 643 across the 16 of their papers we have counts for
17 papers
Order of Magnitude Improved Optical Trapping of Molecules Through Transverse Cooling
Abdullah Nasir, Annika Lunstad, Mingda Li +5
We demonstrate a two-dimensional Sisyphus laser cooling method that increases the number of strontium monohydroxide (SrOH) molecules loaded into a magneto-optical trap by a factor…
Parity-Doublet Coherence Times in Optically Trapped Polyatomic Molecules
Paige Robichaud, Christian Hallas, Junheng Tao +3
Polyatomic molecules provide complex internal structures that are ideal for applications in quantum information science, quantum simulation, and precision searches for physics beyo…
Quantum-State-Controlled Collisions of Ultracold Polyatomic Molecules
Nathaniel B. Vilas, Paige Robichaud, Christian Hallas +7
Collisions between ultracold calcium monohydroxide (CaOH) molecules are realized and studied. Inelastic collision rate constants are measured for CaOH prepared in ground and excite…
Conveyor-belt magneto-optical trapping of molecules
Grace K. Li, Christian Hallas, John M. Doyle
Laser cooling is used to produce ultracold atoms and molecules for quantum science and precision measurement applications. Molecules are more challenging to cool than atoms due to…
A conveyor-belt magneto-optical trap of CaF
Scarlett S. Yu, Jiaqi You, Yicheng Bao +8
We report the experimental realization of a conveyor-belt magneto-optical trap for calcium monofluoride (CaF) molecules. The obtained highly-compressed cloud has a mean radius of 6…
High Compression Blue-Detuned Magneto-Optical Trap of Polyatomic Molecules
Christian Hallas, Grace K. Li, Nathaniel B. Vilas +3
We demonstrate a blue-detuned magneto-optical trap (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). We identify a novel MOT frequency configuration that produces high…
An optical tweezer array of ultracold polyatomic molecules
Nathaniel B. Vilas, Paige Robichaud, Christian Hallas +3
Polyatomic molecules have rich structural features that make them uniquely suited to applications in quantum information science, quantum simulation, ultracold chemistry, and searc…
Blackbody thermalization and vibrational lifetimes of trapped polyatomic molecules
Nathaniel B. Vilas, Christian Hallas, Loïc Anderegg +5
We study the internal state dynamics of optically trapped polyatomic molecules subject to room temperature blackbody radiation. Using rate equations that account for radiative deca…
Direct Laser Cooling of Polyatomic Molecules
Benjamin L. Augenbraun, Loic Anderegg, Christian Hallas +3
Over the past decade, tremendous progress has been made to extend the tools of laser cooling and trapping to molecules. Those same tools have recently been applied to polyatomic mo…
Quantum Control of Trapped Polyatomic Molecules for eEDM Searches
Loïc Anderegg, Nathaniel B. Vilas, Christian Hallas +4
Ultracold polyatomic molecules are promising candidates for experiments in quantum science, quantum sensing, ultracold chemistry, and precision measurements of physics beyond the S…
Optical Trapping of a Polyatomic Molecule in an -Type Parity Doublet State
Christian Hallas, Nathaniel B. Vilas, Loïc Anderegg +5
We report optical trapping of a polyatomic molecule, calcium monohydroxide (CaOH). CaOH molecules from a magneto-optical trap are sub-Doppler laser cooled to in f…
Magneto-Optical Trapping and Sub-Doppler Cooling of a Polyatomic Molecule
Nathaniel B. Vilas, Christian Hallas, Loïc Anderegg +4
We report magneto-optical trapping (MOT) of a polyatomic molecule, calcium monohydroxide (CaOH). The MOT contains CaOH molecules at a peak density of $3.0(8)\ti…
Zeeman-Sisyphus Deceleration of Molecular Beams
Benjamin L. Augenbraun, Alexander Frenett, Hiromitsu Sawaoka +5
We present a robust, continuous molecular decelerator that employs high magnetic fields and few optical pumping steps. CaOH molecules are slowed, accumulating at low velocities in…
Establishing a nearly closed cycling transition in a polyatomic molecule
Louis Baum, Nathaniel B. Vilas, Christian Hallas +4
We study optical cycling in the polar free radical calcium monohydroxide (CaOH) and establish an experimental path towards scattering photons. We report rovibronic bra…
Direct Laser Cooling of a Symmetric Top Molecule
Debayan Mitra, Nathaniel B. Vilas, Christian Hallas +6
We report direct laser cooling of a symmetric top molecule, reducing the transverse temperature of a beam of calcium monomethoxide (CaOCH) to mK while addressing tw…
1D Magneto-Optical Trap of Polyatomic Molecules
Louis Baum, Nathaniel B. Vilas, Christian Hallas +4
We demonstrate a 1D magneto-optical trap of the polar free radical calcium monohydroxide (CaOH). A quasi-closed cycling transition is established to scatter photons per…
Direct Time-domain Observation of Conformational Relaxation in Gas-phase Cold Collisions
Garrett K. Drayna, Christian Hallas, Kenneth Wang +4
Cooling molecules in the gas phase is important for precision spectroscopy, cold molecule physics, and physical chemistry. Measurements of conformational relaxation cross sections…