Production of ultracold ground state LiRb molecules by photoassociation through a resonantly coupled state

Abstract

We report on a resonantly coupled 2(1) - 4 (1) photoassociation resonance in LiRb. This pair of states displays interesting decay physics that hint at interference-like effects caused by two different decay paths. We observe decay to predominantly $X{}^1{\Sigma }^{+}v=43$, with significant numbers of molecules produced in $X{}^1{\Sigma }^{+}v=2$ - 12. This photoassociation resonance also produces $\sim$300 $X{}^1{\Sigma }^{+}v=0J=0$ molecules/second. Finally, we identify a stimulated Raman adiabatic passage transfer pathway from $v=43$ to $v=0$ that has the potential to produce up to $2\times 10^5$ LiRb molecules/second in the $X{}^1{\Sigma }^{+}v=0J=0$ state.

References in corpus (25)

• A High Phase-Space-Density Gas of Polar Molecules
• Quantum computation with trapped polar molecules
• Formation of ultracold polar molecules in the rovibrational ground state
• Dipolar collisions of polar molecules in the quantum regime
• Optical Production of Ultracold Polar Molecules
• Creation of ultracold ${}^{87}$RbCs molecules in the rovibrational ground state
• Calculation of accurate permanent dipole moments of the lowest ${}^{1,3}{\Sigma }^{+}$ states of heteronuclear alkali dimers using extended basis sets
• Quantum Phases of Cold Polar Molecules in 2D Optical Lattices
• Optical pumping and vibrational cooling of molecules
• Coherent transfer of photoassociated molecules into the rovibrational ground state
• Cold Atoms and Molecules in Self-Assembled Dipolar Lattices
• Pair-supersolid phase in a bilayer system of dipolar lattice bosons
• The permanent dipole moment of LiCs in the ground state
• Continuous Formation of Vibronic Ground State RbCs Molecules via Photoassociation
• Trapping of ultracold polar molecules with a Thin Wire Electrostatic Trap
• Prospects for Narrow-line Cooling of KRb Molecules in Rovibrational Ground State
• Direct Photoassociative Formation of Ultracold KRb Molecules in the Lowest Vibrational Levels of the Ground State
• Resonant Coupling in the Heteronuclear Alkali Dimers for Direct Photoassociative Formation of X(0,0) Ultracold Molecules
• Enhancement of the formation of ultracold ${}^{85}$Rb${}_2$ molecules due to resonant coupling
• Laser spectroscopy of the X 1Σ+ and B 1Π states of the LiRb molecule
• Formation of ultracold ${}^7$Li${}^{85}$Rb molecules in the lowest triplet electronic state by photoassociation and their detection by ionization spectroscopy
• Formation of ultracold LiRb molecules by photoassociation near the Li (2s 2S1/2) + Rb (5p 2P1/2) asymptote
• Interspecies collision-induced losses in a dual species 7Li-85Rb magneto-optical trap
• Formation of deeply bound ultracold LiRb molecules via photoassociation near the Li 2S${}_{1/2}$ + Rb 5P${}_{3/2}$ asymptote
• The $C{}^1{\Sigma }^{+}$, $A{}^1{\Sigma }^{+}$, and $b{}^3{\Pi }_{0^{+}}$ states of LiRb

Cited by in corpus (13)

• Quantum control of molecules for fundamental physics
• Diatomic molecules of alkali-metal and alkaline-earth-metal atoms: interaction potentials, dipole moments, and polarizabilities
• Two-photon photoassociation spectroscopy of an ultracold heteronuclear molecule
• Dynamical process of optically trapped singlet ground state ${}^{85}$Rb${}^{133}$Cs molecules produced via short-range photoassociation
• Continuous Production of Rovibronic Ground State RbCs Molecules via Short-Range Photoassociation to the $b^3{\Pi }_1-c^3{\Sigma }_1^{+}-B^1{\Pi }_1$ States
• Fourier-transform spectroscopy and relativistic electronic structure calculation on the $c^3{\Sigma }^{+}$ state of KCs
• Microwave coherent control of ultracold ground-state molecules formed by short-range photoassociation
• Cross-dimensional relaxation of ${}^7$Li-${}^{87}$Rb atomic gas mixtures in a spherical-quadrupole magnetic trap
• The $d{}^3\Pi$ state of LiRb
• Genetics-based deperturbation analysis for the spin-orbit coupled ${\mathrm{A}}^1{\Sigma }^{+}$ and ${\mathrm{b}}^3{\Pi }_{0^{+}}$ states of LiRb
• An approximation scheme and non-Hermitian re-normalization for description of atom-field system evolution
• Product-state distribution after isotopic substitution in ultracold atom-molecule collisions
• Microwave-assisted coherent control of ultracold polar molecules with a ladder-type rotational states