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Added power/trap depth label to the Rabi oscillation plot.

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Karthik 2024-09-18 18:34:27 +02:00
parent 1286ad2014
commit 2afd1adec2
1 changed files with 14 additions and 11 deletions
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25
EstimatesForAccordionLattice.m
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@ -164,15 +164,16 @@ grid on
%% Rabi oscillations in the first order in Kapitza-Dirac scattering %% Rabi oscillations in the first order in Kapitza-Dirac scattering
a = 180 * (AtomicUnitOfPolarizability / (2 * SpeedOfLight * VacuumPermittivity)); a = 180 * (AtomicUnitOfPolarizability / (2 * SpeedOfLight * VacuumPermittivity));
waist_y = 250E-6; waist_y = 250E-6;
waist_z = 50E-6; waist_z = 50E-6;
Power = 4; Power = 0.2;
TrapDepth = ((8 * a .* Power) ./ (pi * waist_y * waist_z)); TrapDepth = ((8 * a .* Power) ./ (pi * waist_y * waist_z));
TwoPhotonRecoilEnergy = (2*PlanckConstantReduced*2*pi/Wavelength)^2 / (2 * Dy164Mass); TwoPhotonRecoilEnergy = (2*PlanckConstantReduced*2*pi/Wavelength)^2 / (2 * Dy164Mass);
RabiOscillationFrequency = (1/PlanckConstantReduced) .* (sqrt(TrapDepth.^2/2 + TwoPhotonRecoilEnergy^2)); TrapDepthsInUnitsOfRecoilEnergy = TrapDepth ./ TwoPhotonRecoilEnergy;
RabiOscillationFrequency = (1/PlanckConstantReduced) .* (sqrt(TrapDepth.^2/2 + TwoPhotonRecoilEnergy^2));
PulseDurations = linspace(1E-6, 10E-6, 1000); PulseDurations = linspace(1E-6, 150E-6, 1000);
alpha = TwoPhotonRecoilEnergy / PlanckConstantReduced; alpha = TwoPhotonRecoilEnergy / PlanckConstantReduced;
beta = TrapDepth / PlanckConstantReduced; beta = TrapDepth / PlanckConstantReduced;
@ -182,8 +183,10 @@ RabiOscillations = C .* (sin(0.5 .* PulseDurations .* (RabiOscillationF
figure(6); figure(6);
set(gcf,'Position',[100 100 950 750]) set(gcf,'Position',[100 100 950 750])
plot(PulseDurations .* 1E6, RabiOscillations, LineWidth=2.0) plot(PulseDurations .* 1E6, RabiOscillations, LineWidth=2.0, DisplayName=['\bf Power = ' num2str(Power) ' W / Trap depth = ' num2str(round(TrapDepthsInUnitsOfRecoilEnergy, 1)) ' E_r'])
xlabel('Pulse duration (µs)', FontSize=16) xlabel('Pulse duration (µs)', FontSize=16)
ylabel('Fraction of atoms in first order', FontSize=16) ylabel('Fraction of atoms in first order', FontSize=16)
% title(['\bf Upper bound = ' num2str(round(max(RabiOscillationFrequency .* 1E-3),1)) ' kHz; Lower bound = ' num2str(round(min(RabiOscillationFrequency .* 1E-3),1)) ' kHz'], FontSize=16) title('\bf Expected Rabi oscillation', FontSize=16)
grid on grid on
legend(FontSize=16)