﻿README.txt generated on 2024-12-10 by Alexander Guttridge

GENERAL INFORMATION

1. Title of Dataset: data for the figures in "Individual assembly of two-species Rydberg molecules using optical tweezers" and associated Supplemental Material.

2. Author Information
	A. Principal Investigator Contact Information
		Name: Alexander Guttridge
		Institution: Durham University
		Address: Department of Physics, Durham University, South Road, Durham DH1 3LE, United Kingdom
		Email: alexander.guttridge@durham.ac.uk
		

	B. Associate or Co-investigator Contact Information
		Name: Simon Cornish
		Institution: Durham University
		Address: Department of Physics, Durham University, South Road, Durham DH1 3LE, United Kingdom
		Email: s.l.cornish@durham.ac.uk

3. Date of data collection :
From 2024-01-18 to 2024-02-28

4. Geographic location of data collection:
Durham Physics Department, Durham University, UK. 
RbCs optical tweezer experiment

5. Information about funding sources that supported the collection of the data: 
This work was supported by UK Research and Innovation (UKRI) Frontier Research Grant EP/X023354/1, the Royal Society and Durham University.


SHARING/ACCESS INFORMATION

1. Licenses/restrictions placed on the data: 
Creative Commons Attribution (CC BY) licence.

2. Links to publications that cite or use the data: 

3. Links to other publicly accessible locations of the data: 



DATA & FILE OVERVIEW

File List: 

=== ./main (files related to the main text) ===

Figure 1a data.csv
	Theoretical calculations of potential energy curves and molecular wavefunctions. The first column gives the atom separation in bohr radii (a0), the second, third and fourth columns give the potential energies in GHz, the remaining columns are used for plotting the molecular wavefunctions. The format is: separation (in a0), wavefunction probability density, energy in MHz. Columns 5-7 are for v=0, Columns 8-10 are for v=1 and Columns 11-13 are for v=2.

Figure 2ab experiment data.csv
	Experimental data of the survival probablilty of single Rb atoms and Rb+Cs atom pairs as a function of detuning. 

Figure 2b theory data.csv
	Theoretical calculations of the moleuclar bound states for 36S.The first column is the calculated binding energy in MHz, the second column gives the Franck-Condon factor, the third column is the width calculated from the lifetime (units of MHz). The first 4 rows are states not-sensitive to p-wave shifts. 

Figure 2c data.csv
	Experimental data of the survival probablilty of atom pairs as a function of pulse time. 

Figure 2d data.csv
	Measured binding energies in MHz along with predicted binding energies.

Figure 3a_2.15 data.csv
	Atom pair loss probability as a function of detuning in MHz for a tweezer intensity of 2.15 kW/cm2.

Figure 3a_44.7 data.csv
	Atom pair loss probability as a function of detuning in MHz for a tweezer intensity of 44.7 kW/cm2.

Figure 3a_297 data.csv
	Atom pair loss probability as a function of detuning in MHz for a tweezer intensity of 297 kW/cm2.

Figure 3a_586 data.csv
	Atom pair loss probability as a function of detuning in MHz for a tweezer intensity of 586 kW/cm2.
	
Figure 3b_2.15 data.csv
	Atom pair loss probability as a function of pulse time in microseconds for a tweezer intensity of 2.15 kW/cm2.

Figure 3b_44.7 data.csv
	Atom pair loss probability as a function of pulse time in microseconds for a tweezer intensity of 44.7 kW/cm2.

Figure 3b_297 data.csv
	Atom pair loss probability as a function of pulse time in microseconds for a tweezer intensity of 297 kW/cm2.

Figure 3c.csv
	Probability density of atom pair wavefunctions and molecular wavefunctions as a function of internuclear separation.

Figure 3d data.csv
	Theoretically predicted Franck-Condon factors as a function of tweezer intensity. The first column is tweezer intensity in kW/cm2, the second column is the Franck-Condon factor.

Figure 3e data.csv
	Fitted atom pair loss rates as a function of tweezer intensity.

Figure 4a data.csv
	Theoretical calculations of the moleuclar bound states for 56D.The first column is the calculated binding energy in MHz, the following columns gives the Franck-Condon factors for three scenarios: second column - same tweezer, third column - separate tweezers displaced along the x axis by 300 nm, fourth column - separate tweezers displaced along the y axis by 300 nm. 

Figure 4c_x data.csv
	Measured atom pair loss probability as a function of detuning from the 56D state with tweezers displaced by 300 nm along the x axis.

Figure 4c_y data.csv
	Measured atom pair loss probability as a function of detuning from the 56D state with tweezers displaced by 300 nm along the y axis.

Figure 4d data.csv
	Measured atom pair loss probability as a function of tweezer separation R in micrometres.

=== ./supplemental (files related to the Supplemental Material) ===

Figure S1_gf data.csv
	Potential energy curves computed via the Green's function method. The first column gives the separation in bohr radii (a0). The subsequent columns give the energy of the different potential energy curves in GHz relative to the energy of the state 36S.

Figure S1_diag data.csv
	Potential energy curves computed by directly diagonalizing the electronic Hamiltonian in a truncated basis set. The first column gives the separation in bohr radii (a0). The subsequent columns give the energy of the different potential energy curves in GHz relative to the energy of the state 36S.

Figure S2a_analytic.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=1/2 state calculated analytically from the spherical harmonics. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S2a_diagonalization.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=1/2 state calculated from diagonalisation of the reduced subspace. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S2a_perturbationtheory.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=1/2 state calculated using perturbation theory. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S2b_analytic.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=5/2 state calculated analytically from the spherical harmonics. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S2b_diagonalization.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=5/2 state calculated from diagonalisation of the reduced subspace. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S2b_perturbationtheory.csv
	Angular dependence of the potential energy surface for the 56D5/2, mJ=5/2 state calculated using perturbation theory. The first column is the angle in radians, the second column is the potential energy in MHz.

Figure S3a experiment data.csv
	Experimental data of the Rb+Cs atom pair loss rate as a function of detuning for the 56D5/2, mJ=1/2 state.

Figure S3a theory data.csv
	Theoretical calculations of the moleuclar bound states for 56D5/2, mJ=1/2. The first column is the calculated binding energy in MHz, the second column gives the Franck-Condon factor, the third column is the width calculated from the lifetime (units of MHz).

Figure S3b experiment data.csv
	Experimental data of the Rb+Cs atom pair loss rate as a function of detuning for the 56D5/2, mJ=5/2 state.

Figure S3b theory data.csv
	Theoretical calculations of the moleuclar bound states for 56D5/2, mJ=5/2. The first column is the calculated binding energy in MHz, the second column gives the Franck-Condon factor, the third column is the width calculated from the lifetime (units of MHz).

Figure S4 data.csv
	Experimental data of the loss probability of Rb atoms as a function of pulse time. 

Figure S5 data.csv
	Experimental data of the stark shift of the atomic transition (atom) and molecular transition (mol) in MHz as a function of tweezer intensity in kW/cm2.

Figure S6 data.csv
	Experimental data of the survival probablilty of single Rb atoms and Rb+Cs atom pairs as a function of detuning in MHz. Columns are labelled by the tweezer intensity used in kW/cm2.

Figure S7a data.csv
	Experimental data of the loss probablilty of Rb+Cs atom pairs as a function of detuning in MHz. Columns are labelled by the magnetic field used in Gauss.

Figure S7b_sametweezer.csv
	Experimental data of the loss probablilty of Rb+Cs atom pairs as a function of detuning in MHz. Data is taken with Rb and Cs atoms in the same tweezer at a magnetic field of 4.78 G.

Figure S7b_separatetweezer.csv
	Experimental data of the loss probablilty of Rb+Cs atom pairs as a function of detuning in MHz. Data is taken with Rb and Cs atoms in separate tweezers at a magnetic field of 4.78 G and a separation of 300 nm along the x axis.

Figure S8a data.csv
	Contour of atom separations in nanometres as a function of tweezer intensity ratio (rows) and tweezer separation in micrometres (columns).

Figure S8b data.csv
	Atom separations as a function of tweezer separation along the x-axis for different tweezer displacements along the y axis (h_offset) and z axis (ax_offset). All units are micrometres and the intensity ratio used is 7.2.

METHODOLOGICAL INFORMATION

1. Description of methods used for collection/generation of data: 
Described in the associated manuscript

2. Methods for processing the data: 

3. Instrument- or software-specific information needed to interpret the data: 
Numerical calculations and fits performed in Python 3.9.

4. Standards and calibration information, if appropriate: 

5. Environmental/experimental conditions: 

6. Describe any quality-assurance procedures performed on the data: 

7. People involved with sample collection, processing, analysis and/or submission: 
Alexander Guttridge, Tom R. Hepworth, Aileen A. T. Durst, Matthew T. Eiles and Simon L. Cornish.
