Data from:

"Intrinsic Optical Bistability in a Strongly-Driven Rydberg Ensemble"

Authors: Natalia R. de Melo, Christopher G.Wade, Nikola Sibalic, Jorge M. Kondo, Charles S. Adams and Kevin J.Weatherill


This file provides information about the data presented in the article titled "Characterisation of Optical Bistability in a Rydberg thermal vapour".


The data was generated by Natalia R Melo, the figures were generated using Mathcad and Origin.
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Description of the figure using: No bistabilit_different n.csv:

Figure 2a: the transmission of the probe beam as a function of the Rydberg laser detuning for the same Rabi frequency


columns Delta = Experimental detuning of Rydberg laser.
columns Upn(i) = Transmission signal scanning the rydberg laser increasing the frequency. (i= 34, 35 and 37)
columns dwn(i) = Transmission signal scanning the rydberg laser decreasing the frequency. (i= 34, 35 and 37)
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Description of the figure using: No bistabilit_ Jump Freq X n.csv:

Figure 2b: Measurement of the frequency shift of the phase transition as a function of the principal quantum number

First column = Principal quantum number.
Second column = Jump frequency position.
Third column = Error in the jump frequence measurement.
fourth column = Residual comparing with the 4th power dependence.
fifth column = Error in the calculation of the residual. 
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Description of the figure using: Bistability_different n_Experiment.csv:

Figure 3a: Experimental optical response, the transmission of the probe beam as a function of the Rydberg laser detuning for the same Rabi frequency

columns freq = Experimental detuning of Rydberg laser.
columns Upn(i) = Transmission signal scanning the rydberg laser increasing the frequency. (i= 18, 21, 24, 27  and 28)
columns down(i) = Transmission signal scanning the rydberg laser decreasing the frequency. (i= 18, 21, 24, 27  and 28)
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Description of the figure using: Bistability_different n_Theory.csv:

Figure 3b: Calculation of the population in the Rydberg state, solution of the equation (2) of the paper.

columns freq = Experimental detuning of Rydberg laser.
columns Upn(i) = 1st steady-state solution for the Population in the Rydberg state.(i= 18, 21, 24, 27  and 28)
columns dwn(i) = 2nd steady-state solution for the Population in the Rydberg state. (i= 18, 21, 24, 27  and 28)
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Description of the figure using: Width X n_different density_Experiment.csv:

Figure 4: Bistability width as a function of the principal quantum number for two atomic densities

First column = Principal quantum number.
Second column = Measurement of the width of the hysteresis window for N= 2 x 10^11.
Third column = Error in the width measurement.
fourth column = Measurement of the width of the hysteresis window for N= 3 x 10^11
fifth column = Error in the width measurement.
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Description of the figure using: Width X n_different density_Theory.csv:

Figure 4: Bistability width calculated as a function of the principal quantum number for two atomic densities

First column = Principal quantum number.
Second column = Calculated width for density N= 3 x 10^11.
Third column =  Calculated width for density N= 2 x 10^11.

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Description of the figure using: width_X_Power_n28.csv:

Figure 5: Bistability width as a function of the Rydberg laser power for n= 28 and three different atomic densities.

columns PowerN(i) = Power of the Rydberg laser para each density (i= 0.7, 1.0 and 3.0) x 10^11.
columns WidthN(i) = Measurement of the width of the histeresis window for each density (i= 0.7, 1.0 and 3.0) x 10^11.
columns erroN(i) = Error in the messurement of the width for each density (i= 0.7, 1.0 and 3.0) x 10^11.
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Description of the figure using: width_X_Power_n28_Theory.csv:

Figure 5: Bistability width as a function of the Rydberg laser power for n= 28 and three different atomic densities.

First column = Rydberg laser power
Second column = Calculated width for density N= 3 x 10^11.
Third column =  Calculated width for density N= 1 x 10^11.
fourth column = Calculated width for density N= 0.7 x 10^11.
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