From 1f1c3ba4520e8899eb5a3257e47dd08899c53c41 Mon Sep 17 00:00:00 2001 From: "Eugeniy E. Mikhailov" Date: Tue, 29 Sep 2020 11:09:08 -0400 Subject: added code for lin EIT vs theta --- compass_lin_extrema_vs_theta_output_results.m | 87 +++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) create mode 100644 compass_lin_extrema_vs_theta_output_results.m (limited to 'compass_lin_extrema_vs_theta_output_results.m') diff --git a/compass_lin_extrema_vs_theta_output_results.m b/compass_lin_extrema_vs_theta_output_results.m new file mode 100644 index 0000000..4e8d21b --- /dev/null +++ b/compass_lin_extrema_vs_theta_output_results.m @@ -0,0 +1,87 @@ +1; + + +load '/tmp/total_relative_transmission_vs_theta.mat' ; + +% let's create sideband transmission vs angle vectors +% 1st of all we need to create matrix instead of a vector +% with rows corresponding to absorption for each sideband +% and columns to each phi angle + +N_detunings=length(detuning_freq); +N_angles=length(thetas); + +transmission_matrix=reshape(total_relative_transmission, N_detunings, N_angles); + +% the last sideband is not in two-photon resonance +% we use it as a reference for background transmission +background_vector=transmission_matrix(N_detunings,:); +background_transmission=repmat( background_vector , N_detunings, 1); + +transmission_matrix=-background_transmission+transmission_matrix; + + + +line_colors= [ ... + [ 0, 0, 1]; ... + [ 1, 0, 0]; ... + [ 0, 1, 0]; ... + [ 0, 0, 0]; ... + [ 0, 0.8, 0]; ... + [ 1, 0, 1]; ... + [ 0, 0, .6] ... + ]; + +figure(1); +clf(); +hold off; +labels={}; +for i=1:N_detunings-1 + %we will skip the very last row since it the reference transmission + + zoom_factor=1; + %plot_style=strcat("-", num2str(i)); + %plot( thetas, zoom_factor*(transmission_matrix(i,:)), plot_style); + labels = {labels{:}, strcat("a_{", num2str(i-4), "}")}; + line( thetas, zoom_factor*(transmission_matrix(i,:)), "color", line_colors(i,:) ); + hold on; +endfor + +set(gca, 'XTick', [0,pi/4, pi/2, 3*pi/4, pi]) +set(gca, 'XTickLabel', {'0', '\pi/4', '\pi/2', '3\pi/4', '\pi'}) +title("Relative sidebands amplitudes"); +xlabel('Angle \theta, between B-field and light propagation direction'); +ylabel("Amplitude"); +legend(labels); +print('compass_circ_sidebands_vs_theta.png') + +hold off; + +figure(2) +clf(); +j=4; k= 3; +j=2; k= 7; +% plotting parametric line of a sideband amplitude (j) vs another one (k) +z = zeros(1,N_angles); +col = thetas; % This is the color, vary with x in this case. +surface([zoom_factor*(transmission_matrix(j,:));zoom_factor*(transmission_matrix(j,:))], ... + [zoom_factor*(transmission_matrix(k,:));zoom_factor*(transmission_matrix(k,:))], ... + [z;z],[col;col],... + 'facecol','no',... + 'edgecol','interp',... + 'linew',2); +%plot(zoom_factor*(transmission_matrix(j,:)), zoom_factor*(transmission_matrix(k,:))) +xlabel( labels{j}); +ylabel( labels{k}); +%clabel('\theta'); +colorbar; +set(gca, 'ZTick', [0,pi/4, pi/2, 3*pi/4, pi]) +set(gca, 'ZTickLabel', {'0', '\pi/4', '\pi/2', '3\pi/4', '\pi'}) + +%colorbar('Ticks',[0, pi/2, pi], 'TicksLabels', ['0', '\pi/2', '\pi']) +%ctickslabel(['0', '\pi/2', '\pi']) +title('One sideband amplitude vs another for different angles theta'); +print('compass_circ_sidebands_combo_vs_theta.png') + + +% vim: ts=2:sw=2:fdm=indent -- cgit v1.2.3