Files
imdd_silas/projects/HighSpeedExperiment_2024/bias_evaluation.m
Silas Labor Zizou 99fe2ca106 Commit Friday evening.
PDFA and EXFO Laser are now part of the family
2024-10-25 20:31:50 +02:00

67 lines
2.2 KiB
Matlab

% filename = "C:\Users\sioe\Documents\High_Speed_Measurement_2024\bias_testing\PAM4_b2b_bias_sweep_20241023_130342_wh.mat";
%
% a = load(filename);
% wh = a.obj;
v_bias_vals = wh.parameter.vbias.values;
awg_vpp_vals = wh.parameter.awg_vpp.values;
precomp_amp_max_vals = wh.parameter.precomp_amp_max.values;
rop_atten_vals = wh.parameter.rop_atten.values;
PAM = wh.parameter.M.values(1);
m = wh.getStoValue('m',v_bias_vals(1),awg_vpp_vals(1),precomp_amp_max_vals(1),rop_atten_vals(1),PAM);
ber_ffe= [];
ber_mlse= [];
rop_measured= [];
pd_in_measured= [];
rop_measured = [];
cnt = 0;
for PAM = wh.parameter.M.values
cnt = cnt+1;
ber_ffe(cnt,:) = wh.getStoValue('ber_ffe',v_bias_vals,awg_vpp_vals(1),precomp_amp_max_vals(1),rop_atten_vals(1),PAM)';
ber_mlse(cnt,:) = wh.getStoValue('ber_mlse',v_bias_vals,awg_vpp_vals(1),precomp_amp_max_vals(1),rop_atten_vals(1),PAM);
rop_measured(cnt,:) = wh.getStoValue('rop',v_bias_vals,awg_vpp_vals(1),precomp_amp_max_vals(1),rop_atten_vals(1),PAM);
pd_in_measured(cnt,:) = wh.getStoValue('pd_in',v_bias_vals,awg_vpp_vals(1),precomp_amp_max_vals(1),rop_atten_vals(1),PAM);
end
figure(2024)
for i = 1:3
[bestber,bestindex] = min(ber_ffe(i,:),[],'all');
[awg_pos,v_bias_pos]=ind2sub(size(ber_ffe(i,:)),bestindex);
bestawgvpp=awg_vpp_vals(awg_pos);
bestvbias=v_bias_vals(v_bias_pos);
disp(['Best Vpp: ',num2str(bestvbias),' V; Best Vpp AWG: ',num2str(bestawgvpp),' V' ]);
hold on
a = scatter(rop_measured(i,:),ber_ffe(i,:),'Marker','+','DisplayName',['PAM ',num2str(wh.parameter.M.values(i))]);
a.DataTipTemplate.DataTipRows(1).Label = 'P_{out}';
a.DataTipTemplate.DataTipRows(2).Label = 'BER';
a.DataTipTemplate.DataTipRows(2).Format ='%.1e';
a.DataTipTemplate.DataTipRows(3).Label = 'Vbias';
a.DataTipTemplate.DataTipRows(3).Value = v_bias_vals;
a.DataTipTemplate.DataTipRows(3).Format = 'auto';
end
% Continue with the rest of your plot settings
yline(3.8e-3, 'DisplayName', 'HD-FEC', 'LineStyle', '--', 'HandleVisibility', 'off');
xlabel('Measured MZM Output Power (dBm)');
ylabel('Bit Error Rate (BER)');
title('Bit Error Rate vs. ROP');
set(gca, 'yscale', 'log');
set(gca, 'Box', 'on');
grid on;
grid minor;
legend('Interpreter', 'none');