CLEANUP - changes to folder structure

projects/Lab_oband_laser_and_amp_analysis/amplifier_input_output_curve.m

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+% Silas Amplifier characterization
+
+laser = Exfo_laser("mainframe_channel",1,"safety_mode",0,"connection_id",'10','lab_interface','gpib');
+laser.getLaserInfo();
+laser.disableLaser;
+laser.setWavelength(1310);
+laser.enableLaser;
+
+pdfa = Thor_PDFA();
+%%
+params.laserpower   = [-30,-20,-10,0];
+params.lambda       = [1310]; %calcWavelengthPlan(16, 400e9 , 1310);
+params.pump         = [0:5:100];
+
+wh = DataStorage(params);
+wh.addStorage("spectrum_osa");
+wh.addStorage("wavelength_osa");
+wh.addStorage("psig_osa");
+wh.addStorage("pase_osa");
+wh.addStorage("osnr_osa");
+wh.addStorage("amp_gain");
+wh.addStorage("psig_total");
+
+cols = linspecer(numel(params.laserpower));
+ccnt = 0;
+for p = params.laserpower
+    ccnt=ccnt+1;
+    laser.setWavelength(params.lambda(1));
+    usrcmd = sprintf('Laser to %d dBm',p);
+    waitUntilClick('Text',usrcmd);
+
+
+    for w = params.lambda
+        laser.setWavelength(w)
+        % pm.setWavelength([1550, w]);
+        span_nm     = 5;
+        lambda_c_nm = w;
+        osa = OSA_Advantest( ...
+            'span_nm',        40, ...
+            'lambda_c_nm',    w, ...
+            'resolution_nm',  0.1, ...
+            'sampling_points', 1001 );
+        osa.configure();
+
+
+        for pmp = params.pump
+            % pdfa.setPumpLevel(pmp);
+            usrcmd = sprintf('Amp to %d %',pmp);
+            waitUntilClick('Text',usrcmd);
+
+            % OSA
+            [lambda_nm, psd_dBm] = osa.measure();
+            osnr = osa.computeOSNR('bw_signal_nm',0.01,'ref_bw_nm',0.1,'debugplots',0,...
+                'carrier_frequency',w,'noise_guard_nm',1,'noise_window_nm',1);
+            
+            osa.plot("FigureNumber",abs(p)+10,"Color",cols(ccnt,:));
+            xlabel('Wavelength [nm]');
+            ylabel('Opt. Spectrum [dBm]');
+            grid minor
+
+            % Powermeter
+            totalpower=10*log10(sum(10.^(psd_dBm./10)));
+            % [totalpower]=pm.readPower;
+            % totalpower=totalpower(2) + 20; %20dB attenuation with eigenlight to satisfy 3dB max of PMeter
+
+            wh.addValueToStorage(lambda_nm,'wavelength_osa',p,w,pmp);
+            wh.addValueToStorage(psd_dBm,'spectrum_osa',p,w,pmp);
+            wh.addValueToStorage(osnr.p_ase_db,'pase_osa',p,w,pmp);
+            wh.addValueToStorage(osnr.p_sig_db,'psig_osa',p,w,pmp);
+            wh.addValueToStorage(osnr,'osnr_osa',p,w,pmp);
+            wh.addValueToStorage(totalpower,'psig_total',p,w,pmp);
+
+        end
+    end
+end
+
+
+%% P out
+
+figure(3);hold on
+for p = [-30:10:0]
+
+    psig_osa = wh.getStoValue('psig_osa',p,params.lambda,params.pump);
+    pl=plot(params.pump,psig_osa,'DisplayName',sprintf('P_{signal}: %d dB ',p));
+    
+    psig_total = wh.getStoValue('psig_total',p,params.lambda,params.pump);
+    plot(params.pump,psig_total,'DisplayName',sprintf('P_{total}: %d dB ',p),'LineStyle','--','Color',pl.Color);
+
+    pase = wh.getStoValue('pase_osa',p,params.lambda,params.pump);
+    plot(params.pump,pase,'DisplayName',sprintf('P_{ASE}: %d dB ',p),'LineStyle',':','Color',pl.Color);
+
+
+end
+legend
+
+
+
+%% Gain
+
+figure(4);hold on
+for p = [-30:10:0]
+
+    % Die -2dB sind Korrekturfaktor aus dem Setup! Gilt für PDFA und SOA
+    psig_osa = wh.getStoValue('psig_osa',p,params.lambda,params.pump);
+    pl=plot(params.pump,psig_osa-(p-2),'DisplayName',sprintf('Gain: %d dB ',p));
+
+    psig_total = wh.getStoValue('psig_total',p,params.lambda,params.pump);
+    pl=plot(params.pump,psig_total-(p-2),'DisplayName',sprintf('Gain: %d dB ',p),'Color',pl.Color,'LineStyle','--');
+    
+end
+legend

projects/Lab_oband_laser_and_amp_analysis/data_analysis_and_plot_scripts/lambda_vs_spectrum.m

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+wh_aeon = load("C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\Lab_analysis\aeon_soa_measurement_lambda_plaser_pump.mat");
+wh_aeon = wh_aeon.wh;
+wh_thor = load("C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\Lab_analysis\thorlabs_pdfa_measurement_lambda_plaser_pump.mat");
+wh_thor = wh_thor.wh;
+
+% Silas' custom "warehouse" datatype
+wh_aeon.showInfo;
+wh_thor.showInfo;
+
+%% PLOT OSA SPECTRA
+
+figure();hold on
+cols = linspecer(4);
+cols = cbrewer2('Paired',8);
+subplot(1,2,1);hold on;
+wh = wh_thor;
+ccnt = 1;
+
+pumps = wh.parameter.pump.values;
+plasers = wh.parameter.laserpower.values;
+scnt = 1;
+for p = 1:numel(plasers)
+    
+    for pmp = 1:numel(pumps)
+        subplot(numel(plasers),numel(pumps),scnt);hold on;
+        title(sprintf('Laser: %d dBm; Pump: %d %',plasers(p),pumps(pmp)),"Interpreter","tex")
+        for lambda = wh.parameter.lambda.values
+    
+            spectrum_osa = wh_thor.getStoValue('spectrum_osa',plasers(p),lambda,pumps(pmp));
+            wavelength_osa = wh_thor.getStoValue('wavelength_osa',plasers(p),lambda,pumps(pmp));
+            plot(wavelength_osa,spectrum_osa,'DisplayName',sprintf('P_{in}: %d dB ',plasers(p)),'Color',cols(ccnt,:));
+            
+
+            spectrum_osa = wh_aeon.getStoValue('spectrum_osa',plasers(p),lambda,pumps(pmp));
+            wavelength_osa = wh_aeon.getStoValue('wavelength_osa',plasers(p),lambda,pumps(pmp));
+            plot(wavelength_osa,spectrum_osa,'DisplayName',sprintf('P_{in}: %d dB ',plasers(p)),'Color',cols(ccnt+1,:));
+
+
+            ylim([-60, 20]);
+            beautifyBERplot("logscale",false,"setmarkers",0,"setcolors",0);
+        end
+        scnt = scnt +1;
+    end
+    ccnt = ccnt+2;
+end
+
+
+xlabel('Wavelength [nm]');
+ylabel('OSNR [dB]')
+
+
+%%
+
+figure();hold on
+cols = linspecer(4);
+subplot(1,2,1);hold on;
+wh = wh_thor;
+ccnt = 1;
+
+pumps = wh.parameter.pump.values;
+plasers = wh.parameter.laserpower.values;
+scnt = 1;
+for p = 1:numel(plasers)
+    
+    for pmp = 1:numel(pumps)
+        subplot(numel(plasers),numel(pumps),scnt);hold on;
+        
+
+        ase_noise = wh_thor.getStoValue('pase_osa',plasers(p),wh.parameter.lambda.values,pumps(pmp));
+        signal = wh_thor.getStoValue('psig_osa',plasers(p),wh.parameter.lambda.values,pumps(pmp));
+        plot(wh.parameter.lambda.values,ase_noise,'DisplayName',sprintf('P_{in}: %d dB ',plasers(p)),'Color',cols(ccnt,:));
+
+
+        ase_noise = wh_aeon.getStoValue('pase_osa',plasers(p),wh.parameter.lambda.values,pumps(pmp));
+        signal = wh_aeon.getStoValue('psig_osa',plasers(p),wh.parameter.lambda.values,pumps(pmp));
+        plot(wh.parameter.lambda.values,ase_noise,'DisplayName',sprintf('P_{in}: %d dB ',plasers(p)),'Color',cols(ccnt,:),'LineStyle','-');
+
+        ylim([-60, 20]);
+        beautifyBERplot("logscale",false,"setmarkers",0,"setcolors",0);
+
+        scnt = scnt +1;
+    end
+    ccnt = ccnt+1;
+end
+
+
+xlabel('Wavelength [nm]');
+ylabel('OSNR [dB]')

projects/Lab_oband_laser_and_amp_analysis/eq_lab.m

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+
+%% Parameter to simulate and save
+params = struct;
+
+params.M                        = [4];
+params.datarate                 = [300];
+params.rop                      = [0];
+
+precomp_mode = 2; %0=do nothing ; 1= measure; 2=precomp active
+
+if ismac
+    precomp_path = "/Users/silasoettinghaus/Documents/MATLAB/imdd_simulation/projects/standard_system";
+else
+    precomp_path = "C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\standard_system\";
+end
+
+precomp_fn = "400G_simulative_setup";
+usemrds = 0;
+
+name = ['wh_',strrep(num2str(now),'.','')];
+
+wh = DataStorage(params);
+
+wh.addStorage("ber_ffe");
+
+%% Init Params
+link_length = 0; %meter
+pn_key = 2;
+laser_linewidth = 0;
+
+endcnt = prod(wh.dim);
+cnt=0;
+
+disp(['Start Simulation of ',num2str(endcnt),' loops...'])
+tic
+
+
+% SETUP HERE: %%
+fsym = 92e9;
+
+Symbols = Informationsignal(digi_mod_out',"fs",92e9);
+
+Scpe_sig = Electricalsignal(awg2scope_keysight_out.no1',"fs",160e9);
+Scpe_sig = Scpe_sig.resample("fs_in",160e9,"fs_out",2*92e9);
+
+Bits = Informationsignal(prms_out',"fs",92e9);
+
+%%%%%% Sync Rx signal with reference %%%%%%
+[Scpe_sig,S] = Scpe_sig.tsynch("reference",Symbols,"fs_ref",fsym);
+
+%%%%% EQUALIZE %%%%%%
+% Eq     = FFE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",1e-4,"mu_tr",0,"order",25,"sps",2,"decide",1);
+Eq = VNLE("epochs_tr",5,"epochs_dd",5,"len_tr",4096*2,"mu_dd",[0.0004 0.0005 0.0006],"mu_tr",0,"order",[50,7,7],"sps",2,"decide",1);
+[EQ_sig] = Eq.process(Scpe_sig,Symbols);
+Rx_bits = PAMmapper(M,0).demap(EQ_sig);
+[~,errors_bm,ber_ffe,errors] = calc_ber(Rx_bits.signal,Bits.signal,"skip_front",100,"skip_end",150,"returnErrorLocation",1);
+disp(['BER: ',sprintf('%.1E',ber_ffe),' - - - ',num2str(fsym*1e-9),' GBd']);
+
+