commit old stuff from lab

Classes/00_signals/Signal.m

@@ -172,9 +172,9 @@ classdef Signal
 
             hold on;
             if isempty(options.color)
-                plot(t, sig(1:length(t)), 'DisplayName', dn, 'LineWidth', 0.1, 'Marker', '.', 'LineStyle','none', 'MarkerSize', 0.1);
+                plot(t* 1e6, sig(1:length(t)), 'DisplayName', dn, 'LineWidth', 0.1, 'Marker', '.', 'LineStyle','none', 'MarkerSize', 0.1);
             else
-                plot(t, sig(1:length(t)), 'DisplayName', dn, 'LineWidth', 0.1, 'Marker', '.', 'LineStyle','none', 'MarkerSize', 0.1,'Color',options.color);
+                plot(t* 1e6, sig(1:length(t)), 'DisplayName', dn, 'LineWidth', 0.1, 'Marker', '.', 'LineStyle','none', 'MarkerSize', 0.1,'Color',options.color);
             end
             % 2 c)
             % - xlabel if not already here: time in readable format (1 ms and not 1e-3 s)
@@ -187,9 +187,6 @@ classdef Signal
                 ylabel('Amplitude');
             end
 
-            % Convert time axis to milliseconds for readability
-            xticks = get(gca, 'XTick');
-            set(gca, 'XTick', xticks, 'XTickLabel', xticks * 1e6);
            
             % Add legend if not already present
             if isempty(get(gca, 'Legend'))
@@ -656,7 +653,7 @@ classdef Signal
         end
 
         %%
-        function [obj,S,isFlipped,sequenceFound] = tsynch(obj,options)
+        function [obj,S,inverted,sequenceFound,sequenceStarts] = tsynch(obj,options)
             % time sync and cut
             arguments
                 obj Signal
@@ -668,9 +665,9 @@ classdef Signal
             
             
             S = {};
-            isFlipped=0;
+            inverted = -1;
             sequenceFound = 0;
-
+            sequenceStarts = [];
 
 
             %normalize the signal
@@ -696,8 +693,10 @@ classdef Signal
                 return
             end
 
-            if mean(w) > 10 || mean(p) > 10
+            if mean(w) > 10 
+                warning('No sync possible, check code of findpeaks! Look at correlation')
                 return
+                
             else
                 sequenceFound = 1;
             end
@@ -711,19 +710,19 @@ classdef Signal
             
 
             shifts = lags(pkpos);
-
+            sequenceStarts = shifts;
             % shifts = shifts(shifts>=0);
 
             if numel(shifts) > 0
     
                 %Cut occurences of ref signal from signal (only positive shifts)
-                if all(sign(co(pkpos)))
+                if all(sign(co(pkpos))==-1)
-                    isFlipped = 1;
+                    inverted = 1;
                 end
                
                 for c = shifts
                     sig = obj.delay(-c,'mode','samples');
-                    sig.signal = sig.signal(1:length(b)).*-isFlipped;
+                    sig.signal = sig.signal(1:length(b)) .* -inverted;
                     S{end+1,1} = sig;
                 end
     

Classes/05_Lab/OptLaserN7714A.m

@@ -0,0 +1,146 @@
+classdef OptLaserN7714A < handle
+    % Minimal controller for Keysight N7714A tunable laser over VISA-LAN
+    % Methods: getLaserInfo, setPower, setWavelength
+    %
+    % Examples:
+    %   L = OptLaserN7714A('TCPIP::192.168.0.50::INSTR');
+    %   L.setWavelength(1550);       % nm
+    %   L.setPower(-3.0, true);      % dBm, also turns output ON
+    %   info = L.getLaserInfo();
+
+    properties (Access=private)
+        v               % visadev handle
+        resource char   % VISA resource string, e.g. 'TCPIP::...::INSTR'
+    end
+
+    methods
+        function obj = OptLaserN7714A(resource)
+            arguments
+                resource (1,:) char
+            end
+            obj.resource = resource;
+
+            % Robust connect with small retry loop
+            maxRetries = 3; pauseTime = 1.0; lastErr = [];
+            for k = 1:maxRetries
+                try
+                    obj.v = visadev(obj.resource);
+                    % Identify instrument (SCPI *IDN?)
+                    writeline(obj.v, '*IDN?');     % SCPI common, identification
+                    idn = strtrim(readline(obj.v)); %#ok<NASGU>
+                    break
+                catch ME
+                    lastErr = ME;
+                    pause(pauseTime);
+                end
+            end
+            if isempty(obj.v) || ~isvalid(obj.v)
+                error('OptLaserN7714A:ConnectFailed', ...
+                    'Could not connect to %s. Last error: %s', obj.resource, lastErr.message);
+            end
+
+            % Set power unit to dBm for SOURce tree to be explicit (optional)
+            % [:SOUR]:POWer:UNIT dBm  (laser power unit)
+            % Ref: SOURce:POWer:UNIT. :contentReference[oaicite:0]{index=0}
+            try
+                writeline(obj.v, 'SOUR:POW:UNIT DBM');
+            catch
+                % non-fatal
+            end
+        end
+
+        function delete(obj)
+            if ~isempty(obj.v) && isvalid(obj.v); delete(obj.v); end
+        end
+
+        function setPower(obj, power_dBm, outputOn, channel)
+            arguments
+                obj
+                power_dBm (1,1) double
+                outputOn (1,1) logical = true
+                channel (1,1) double {mustBeMember(channel,0:4)} = 1
+            end
+
+            v = obj.v;
+            cmd = sprintf('SOUR%d:POW:LEV:IMM:AMPL %g DBM', channel, power_dBm);
+            writeline(v, cmd);
+
+            if outputOn
+                writeline(v, sprintf('SOUR%d:POW:STAT 1', channel)); %SOUR1:POW:STAT 0
+            else
+                writeline(v, sprintf('SOUR%d:POW:STAT 0', channel));
+            end
+
+            writeline(v, '*OPC?');
+            a=readline(v);
+        end
+
+        function setWavelength(obj, wavelength_nm, channel)
+            arguments
+                obj
+                wavelength_nm (1,1) double {mustBePositive}
+                channel (1,1) double {mustBeMember(channel,0:4)} = 1
+            end
+            v = obj.v;
+            cmd = sprintf('SOUR%d:WAV %gNM', channel, wavelength_nm);
+            writeline(v, cmd);
+            writeline(v, '*OPC?'); readline(v);
+        end
+
+        function setDither(obj, enable, port)
+            % Enable or disable laser frequency dither (stabilization).
+            % enable = false → no dither (FIX), true → stabilization (STAB).
+            % port = 1..4 (default 1).
+            if nargin < 3
+                port = 1;
+            end
+
+            v = obj.v;
+            if enable
+                writeline(v, sprintf('SOUR%d:CONTrol:FCDither ON', port)); %[:SOURce[n]][:CHANnel[m]]:CONTrol:FCDither
+            else
+                writeline(v, sprintf('SOUR%d:CONTrol:FCDither OFF', port));
+            end
+
+            % optional confirmation
+            writeline(v, sprintf('SOUR%d:CONTrol:FCDither?', port));
+            modeStr = strtrim(readline(v));
+            fprintf('Port %d dither mode set to %s\n', port, modeStr);
+        end
+
+
+
+        function info = getLaserInfo(obj, port)
+            % Returns struct with IDN, output state, wavelength (nm), power (dBm)
+            % port = 1..4 (for N7714A with 4 outputs). Default = 1.
+            if nargin < 2
+                port = 1;
+            end
+
+            v = obj.v;
+
+            % *IDN?
+            writeline(v, '*IDN?');
+            idn = strtrim(readline(v));
+
+            % Output state: :SOURn:POW:STAT?
+            writeline(v, sprintf('SOUR%d:POW:STAT?', port));
+            out_state = str2double(readline(v)) ~= 0;
+
+            % Wavelength query (returns meters → convert to nm)
+            writeline(v, sprintf('SOUR%d:WAV?', port));
+            wav_m = str2double(readline(v));
+            wav_nm = wav_m * 1e9;
+
+            % Power (set level) query (dBm)
+            writeline(v, sprintf('SOUR%d:POW:LEV:IMM:AMPL?', port));
+            p_dBm = str2double(readline(v));
+
+            info = struct('idn', idn, ...
+                'output_on', out_state, ...
+                'wavelength_nm', wav_nm, ...
+                'power_dBm', p_dBm);
+        end
+
+    end
+end

Functions/EQ_structures/duobinary_signaling.m

@@ -17,6 +17,7 @@ if ~isempty(options.postFFE)
     [eq_signal,eq_noise] = options.postFFE.process(eq_signal,tx_symbols);
 end
 
+eq_signal.eye(eq_signal.fs,M,"fignum",340);
 
 eq_signal = mlse_.process(eq_signal);
 
@@ -62,7 +63,7 @@ equalizerConfigDBsignaling = struct( ...
     'target_constellation', jsonencode(round(unique(tx_symbols.signal),5)), ...  % Beispielhafter Target-String
     'db_target',     1, ...  % 0 oder 1
     'diff_precode',  1, ...  % 0 oder 1
-    'postFFE',      ~isempty(options.postFFE), ...  % Beispielwert
+    'postFFE',      double(~isempty(options.postFFE)), ...  % Beispielwert
     'NpostFFE',     npostFFE, ...  % Beispielwert
     'Ne1',          eq_.Ne(1), ...  % Feedforward Koeffizienten 1. Ordnung
     'Ne2',          eq_.Ne(2), ...   % Feedforward Koeffizienten 2. Ordnung

Functions/EQ_structures/vnle_postfilter_mlse.m

@@ -99,6 +99,8 @@ end
 [gmi_vnle]                                          = calc_air(eq_signal_sd,tx_symbols,"skip_front",10000,"skip_end",10000);
 air_vnle                                            = tx_symbols.fs .* floor(log2(double(M))*10)/10 .* gmi_vnle ./ log2(double(M));
 [evm_vnle_total,evm_vnle_lvl]                       = calc_evm(eq_signal_sd,tx_symbols);
+[std_vnle_total,std_vnle_lvl]                       = calc_std(eq_signal_sd,tx_symbols);
+[std_rxraw_total,std_rxraw_lvl]                      = calc_std(rx_signal.resample("fs_out",tx_symbols.fs),tx_symbols);
 
 % METRICS OF MLSE (HD-VITERBI)
 pf_.ncoeff = 1;
@@ -127,6 +129,10 @@ resultsVNLE = struct( ...
     'numBitErr_precoded', errors_vnle_diff_precoded, ... % Beispiel: 120 Bitfehler
     'SNR',          snr_vnle, ... % Beispielhafte SNR
     'SNR_level',    jsonencode(snr_vnle_lvl), ... % SNR-Level als JSON-codiertes Array
+    'STD', std_vnle_total, ...
+    'STD_level',  jsonencode(std_vnle_lvl),...
+    'STDrx' , std_rxraw_total, ...
+    'STDrx_level', jsonencode(std_rxraw_lvl),...
     'GMI',          gmi_vnle, ... % Beispielhafter GMI-Wert
     'AIR',          air_vnle, ... % Beispielhafter AIR-Wert
     'EVM',          evm_vnle_total, ... % Beispielhafte EVM
@@ -147,7 +153,7 @@ equalizerConfigVNLE = struct( ...
     'target_constellation', jsonencode(round(unique(tx_symbols.signal),5)), ...  % Beispielhafter Target-String
     'db_target',    0, ...  % 0 oder 1
     'diff_precode',  int32(options.precode_mode), ...  % 0 oder 1
-    'postFFE',      ~isempty(options.postFFE), ...  % Beispielwert
+    'postFFE',      double(~isempty(options.postFFE)), ...  % Beispielwert
     'NpostFFE',     npostFFE, ...  % Beispielwert
     'Ne1',          eq_.Ne(1), ...  % Feedforward Koeffizienten 1. Ordnung
     'Ne2',          eq_.Ne(2), ...   % Feedforward Koeffizienten 2. Ordnung
@@ -202,7 +208,7 @@ equalizerConfigMLSE = struct( ...
     'target_constellation', jsonencode(round(unique(tx_symbols.signal),5)), ...  % Beispielhafter Target-String
     'db_target',    0, ...  % 0 oder 1
     'diff_precode',  int32(options.precode_mode), ...  % 0 oder 1
-    'postFFE',      ~isempty(options.postFFE), ...  % Beispielwert
+    'postFFE',      double(~isempty(options.postFFE)), ...  % Beispielwert
     'NpostFFE',     npostFFE, ...  % Beispielwert
     'Ne1',          eq_.Ne(1), ...  % Feedforward Koeffizienten 1. Ordnung
     'Ne2',          eq_.Ne(2), ...   % Feedforward Koeffizienten 2. Ordnung
@@ -234,9 +240,12 @@ eq_package.resultsMLSE = resultsMLSE;
 eq_package.equalizerConfigVNLE = equalizerConfigVNLE;
 eq_package.equalizerConfigMLSE = equalizerConfigMLSE;
 
+
+
 % eq_package.vnle_out = eq_signal_sd;
 if options.showAnalysis
 
+    
     % fprintf(['VNLE EVM lvl: ',repmat('%.3f ',1,numel(evm_lvl)),' \n'],evm_lvl);
 
     % fprintf('VNLE BER: %.2e \n',ber_vnle);
@@ -264,6 +273,10 @@ if options.showAnalysis
      figure(341);clf;
     showLevelHistogram(eq_signal_sd,tx_symbols,"fignum",341);
 
+    showLevelScatter(eq_signal_sd,tx_symbols,"fignum",400);
+
+    showLevelScatter(rx_signal.resample("fs_out",tx_symbols.fs),tx_symbols,"fignum",401);
+    
     % autoArrangeFigures(3,3,2)
 
 

Functions/EQ_visuals/showLevelScatter.m

@@ -0,0 +1,129 @@
+function showLevelScatter(eq_signal,ref_symbols,options)
+arguments
+    eq_signal
+    ref_symbols
+    options.fignum (1,1) double = NaN % Default to NaN if not provided
+    options.displayname (1,:) char = '' % Default to an empty string if not provided
+    options.f_sym = [];
+end
+
+if isa(eq_signal,'Signal')
+    options.f_sym = eq_signal.fs;
+    eq_signal = eq_signal.signal;
+end
+if isa(ref_symbols,'Signal')
+    ref_symbols = ref_symbols.signal;
+end
+
+% Determine the figure number to use or create a new figure
+if isnan(options.fignum)
+    fig = figure; % Create a new figure and get its handle
+else
+    fig = figure(options.fignum); % Use the specified figure number
+    clf;
+end
+
+assert(~isempty(options.f_sym),'No fsym given');
+
+rx_symbols = eq_signal ./ rms(eq_signal);
+correct_symbols = ref_symbols;
+f_sym = options.f_sym;
+
+col = cbrewer2('Paired',numel(unique(correct_symbols))*2);
+ccnt = -1;
+
+levels = unique(correct_symbols);
+
+start = 1;
+ende = length(correct_symbols);
+
+% start = 30000;
+% ende = 40000;
+
+for l = 1:numel(levels)
+    ccnt = ccnt+2;
+
+    level_amplitude = levels(l);
+
+    symbols_for_lvl = NaN(1,length(correct_symbols));
+    symbols_for_lvl(correct_symbols==level_amplitude) = rx_symbols(correct_symbols==level_amplitude);
+    std_lvl(l) = std(symbols_for_lvl,'omitnan');
+    xax_in_sec = ((1:length(correct_symbols)) / f_sym) * 1e6;
+    % xax_in_sec = 1:length(correct_symbols);
+
+    scatter(xax_in_sec(start:ende),symbols_for_lvl(start:ende),10,'.','MarkerFaceAlpha',0.5,'MarkerEdgeAlpha',0.5,'MarkerEdgeColor',col(ccnt,:));
+    hold on;
+end
+
+std_lvl = round(std_lvl,2);
+
+ccnt = 0;
+
+% Add the windowed/ smoothed curves
+for l = 1:numel(levels)
+    ccnt = ccnt+2;
+    level_amplitude = levels(l);
+
+    symbols_for_lvl = NaN(1,length(correct_symbols));
+
+    movmean = 1/250 .* movsum(rx_symbols(correct_symbols==level_amplitude),[250/2,250/2]);
+
+    symbols_for_lvl(correct_symbols==level_amplitude) = movmean;
+
+    nanx = isnan(symbols_for_lvl);
+    t    = 1:numel(symbols_for_lvl);
+    symbols_for_lvl(nanx) = interp1(t(~nanx), symbols_for_lvl(~nanx), t(nanx));
+
+    xax_in_sec = ((1:length(correct_symbols)) / f_sym) * 1e6;
+    % xax_in_sec = 1:length(correct_symbols);
+
+    plot(xax_in_sec(start:ende),symbols_for_lvl(start:ende),'Color',col(ccnt,:));
+    hold on
+end
+
+%yline(max(rx_symbols(correct_symbols==levels(2))))
+yline(levels);
+
+if 0
+    annotation(fig,'textbox',...
+        [0.660523809523809 0.844444444444448 0.133523809523809 0.0603174603174607],...
+        'String',['\sigma = ',num2str(std_lvl(4))],...
+        'LineWidth',1.8,...
+        'LineStyle','none',...
+        'FontSize',12,...
+        'FitBoxToText','off');
+
+    % Create textbox
+    annotation(fig,'textbox',...
+        [0.667666666666665 0.642857142857147 0.133523809523809 0.0603174603174607],...
+        'String',['\sigma = ',num2str(std_lvl(3))],...
+        'LineWidth',1.8,...
+        'LineStyle','none',...
+        'FontSize',12,...
+        'FitBoxToText','off');
+
+    % Create textbox
+    annotation(fig,'textbox',...
+        [0.671238095238093 0.442857142857148 0.133523809523809 0.0603174603174608],...
+        'String',['\sigma = ',num2str(std_lvl(2))],...
+        'LineWidth',1.8,...
+        'LineStyle','none',...
+        'FontSize',12,...
+        'FitBoxToText','off');
+
+    % Create textbox
+    annotation(fig,'textbox',...
+        [0.670047619047616 0.265079365079371 0.133523809523809 0.0603174603174608],...
+        'String',['\sigma = ',num2str(std_lvl(1))],...
+        'LineWidth',1.8,...
+        'LineStyle','none',...
+        'FontSize',12,...
+        'FitBoxToText','off');
+end
+
+% xlim([0, 2.6])
+% ylim([-2 2])
+xlabel('Time in $\mu$s');
+ylabel('Normalized Amplitude');
+
+end

Functions/Metrics/calc_std.m

@@ -0,0 +1,68 @@
+function [std_total,std_lvl] = calc_std(test_signal,reference_signal,options)
+
+arguments(Input)
+    test_signal;
+    reference_signal;
+    options.skip_front = 0;
+    options.skip_end = 0;
+    options.returnErrorLocation = 0;
+end
+
+options.skip_end = abs(options.skip_end);
+options.skip_front = abs(options.skip_front);
+
+assert((options.skip_end+options.skip_front)<length(test_signal),"You can not skip more bits than overall length of data! Set skip_front or skip_end to lower value or check data_in");
+
+if isa(reference_signal,'Signal')
+    reference_signal = reference_signal.signal;
+end
+
+if isa(test_signal,'Signal')
+    test_signal = test_signal.signal;
+end
+
+% TRIM
+[test_signal,reference_signal]=trimseq(test_signal,reference_signal,options.skip_front,options.skip_end);
+
+% CALC EVM
+[std_total,std_lvl] = calc_std_(test_signal,reference_signal);
+
+
+function [std_total,std_lvl] = calc_std_(test_signal,reference_signal)
+
+    assert(length(test_signal) == length(reference_signal),"Sequence length does not match");
+
+    error_vector = (test_signal-reference_signal);
+
+    %%% Overall EVM
+    std_total = std(test_signal);
+
+    test_signal = test_signal ./ rms(test_signal);
+
+    try
+        %%% Per Level EVM
+        k = unique(reference_signal);
+        for lvl = 1:length(k)
+            % lvl_errors = error_vector(reference_signal==k(lvl));
+            std_lvl(lvl) =  std(test_signal(reference_signal==k(lvl)));
+        end
+    catch
+        std_lvl = NaN;
+        warning('No EVM per level calculated')
+    end
+
+end
+
+function [data_,reference_] = trimseq(data,reference,skipstart,skip_end)
+
+    data_  =  data(skipstart+1:end-skip_end,:);
+
+    delta_bits = length(reference) - length(data);
+
+    skip_end = delta_bits + skip_end;
+
+    reference_ = reference(skipstart+1:end-skip_end,:);
+
+end
+
+end

Functions/connect_database_test.m

@@ -0,0 +1,19 @@
+
+datasource = "jdbc:mysql://134.245.243.254:3306/labor";
+
+conn = database( ...
+    "labor", ...                            % Database name
+    "silas", ...                            % Username
+    "silas", ...                            % Password (or getSecret)
+    "Vendor", "MySQL", ...
+    "Server", "134.245.243.254", ...
+    "PortNumber", 3306, ...
+    "JDBCDriverLocation", "C:\Users\Silas\Documents\mysql-connector-j-9.3.0\mysql-connector-j-9.3.0.jar");
+
+% Query all table names
+sqlquery = "SHOW TABLES;";
+results = fetch(conn, sqlquery);
+
+% Display the table names
+disp("Tables in the database:");
+disp(results);

projects/ECOC_2025/dsp_filtered_db.m

@@ -5,7 +5,7 @@ databasePath = 'Z:\2025\ECOC Silas\';
 
 databasePath = 'C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\';
 database_name = 'ecoc2025_loops.db';
-db = DBHandler("pathToDB", [databasePath, database_name],"type","sqlite");
+db = DBHandler("pathToDB", [databasePath, database_name],"type","mysql");
 
 num_occ = 30;
 run_par = true;

projects/ECOC_2025/dsp_run_id.m

@@ -230,7 +230,6 @@ for occ = 1:record_realizations
 
         fprintf("BER DB: %.2e \n",dbenc_package{occ}.resultsDBsignaling.BER);
 
-
     end
 
 

projects/ECOC_2025/dsp_standalone.m

@@ -4,9 +4,9 @@
 savePath = 'Z:\2025\ECOC Silas\ecoc_2025\';
 databasePath = 'C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\';
 database_name = 'ecoc2025_loops.db';
-% db = DBHandler("pathToDB", [databasePath, database_name],"type","sqlite");
+db = DBHandler("pathToDB", [databasePath, database_name],"type","mysql");
-db = DBHandler("type","mysql");
+% db = DBHandler("type","mysql");
-num_occ = 1;
+num_occ = 5;
 run_par = false;
-run_id = 2589;
+run_id = 1958;
-[out, ~] = submit_dsp(run_id, databasePath, database_name, savePath,"parallel",run_par,'max_occurences',num_occ);
+[out, future] = submit_dsp(run_id, databasePath, database_name, savePath,"parallel",run_par,'max_occurences',num_occ);

projects/ECOC_2025/measure_run_script.m

@@ -8,14 +8,14 @@ end
 precomp_path = "C:\Users\sioe\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\";
 precomp_fn = "precomp_1km_1mm_cable_70ghz_pd_shf_t850_2p8_bias_shot2";
 precomp_mode = 2; %0=do nothing ; 1= measure; 2=precomp active
-run_lab_automation = 1;
+run_lab_automation = 0;
 
 %% Configuration
 
 conf = confRequest;
 referenceFields = fieldnames(db.tables.Configurations);
 
-assert(isequal(fieldnames(conf), referenceFields), 'Fieldnames do not match the reference structure!');
+% assert(isequal(fieldnames(conf), referenceFields), 'Fieldnames do not match the reference structure!');
 
 %% Lab Automation
 
@@ -41,7 +41,7 @@ if run_lab_automation
     end
     voa.set('value',[0,conf.pd_in_desired,conf.signal_attenuation,conf.interference_attenuation]);
 
-    if voa.power_state(3) > -24 || voa.power_state(1)+ voa.atten_state(4) > -38
+    if voa.power_state(3) > -24 || voa.power_state(1)+ voa.atten_state(4) > -37
         holdAndShowValue
     end
 
@@ -50,15 +50,56 @@ if run_lab_automation
         pdfa = Thor_PDFA("safety_mode",0,"serialport_number",'COM15');
     end
 
-    % Construct AWG and Scope Modules %%%%%%
-    fdac        = 224e9;
-    fadc        = 160e9;
-    Scp = ScopeKeysight("model","DSAZ634A",'autoscale',0,"fadc","GSa_160","channel",[0,0,1,0],"recordLen",recordlen,"removeDC",1,"extRef",1);
-    Awg = AwgKeysight("model","M8199A_ILV","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[0,conf.v_awg]);
-    A2S = Awg2Scope(Awg,Scp,[0,0,3,0],"waitUntilClick",0);
-
 end
 
+% if conf.symbolrate == 72e9
+%     if conf.pam_level == 2
+%         conf.v_awg = 0.55;
+%         conf.pulsef_alpha = 0.6;
+%     elseif conf.pam_level == 4
+%         conf.v_awg = 0.55;
+%         conf.pulsef_alpha =0.6;
+%     elseif conf.pam_level == 6
+%         conf.v_awg = 0.55;
+%         conf.pulsef_alpha = 0.6;
+%     elseif conf.pam_level == 8
+%         conf.v_awg = 0.55;
+%         conf.pulsef_alpha = 0.6;
+%     end
+% elseif conf.symbolrate == 96e9
+%     if conf.pam_level == 2
+%         conf.v_awg = 0.8;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 4
+%         conf.v_awg = 0.8;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 6
+%         conf.v_awg = 0.8;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 8
+%         conf.v_awg = 0.8;
+%         conf.pulsef_alpha = 0.2;
+%     end
+% elseif conf.symbolrate == 112e9
+%     if conf.pam_level == 2
+%         conf.v_awg = 0.85;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 4
+%         conf.v_awg = 0.85;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 6
+%         conf.v_awg = 0.85;
+%         conf.pulsef_alpha = 0.2;
+%     elseif conf.pam_level == 8
+%         conf.v_awg = 0.85;
+%         conf.pulsef_alpha = 0.2;
+%     end
+% end
+
+awg_upload_required = 1;
+if any(confPrev.pam_level == conf.pam_level) && any(confPrev.symbolrate == conf.symbolrate)
+    awg_upload_required = 0;
+end
 
 %% Signal generation and transmission
 if awg_upload_required || isempty(loop_id)
@@ -69,6 +110,13 @@ if awg_upload_required || isempty(loop_id)
         sequence_order = min(18,sequence_order);
     end
 
+    % Construct AWG and Scope Modules %%%%%%
+    fdac        = 224e9;
+    fadc        = 160e9;
+    Scp = ScopeKeysight("model","DSAZ634A",'autoscale',0,"fadc","GSa_160","channel",[0,0,1,0],"recordLen",recordlen,"removeDC",1,"extRef",1);
+    Awg = AwgKeysight("model","M8199A_ILV","fdac",fdac,"scaletodac",[1,1],"skews",[0,0],"voltages",[0,conf.v_awg]);
+    A2S = Awg2Scope(Awg,Scp,[0,0,3,0],"waitUntilClick",0);
+
     Pamsource = PAMsource(...
         "fsym",conf.symbolrate,"M",conf.pam_level,"order",sequence_order,"useprbs",1,...
         "fs_out",fdac,...
@@ -79,11 +127,11 @@ if awg_upload_required || isempty(loop_id)
         "randkey",1,...
         "duobinary_mode", conf.db_mode);
 
-    conf.pam_source     = Pamsource;
-    confPrev            = conf;
-
     [Digi_sig,Symbols,Bits] = Pamsource.process();
 
+    figure(10);clf;
+    Digi_sig.spectrum("displayname",'Tx Pulse Shaped','fignum',10,'normalizeTo0dB',1);
+
 
     %%%%% Precompensation Routine %%%%%%
     if precomp_mode == 1 % measure channel
@@ -94,11 +142,13 @@ if awg_upload_required || isempty(loop_id)
         Digi_sig = precomp_est.precomp(Digi_sig,'maxampdb',conf.precomp_amp,'loadPath',precomp_path,'fileName',precomp_fn);
     end
 
-    % Digi_sig.spectrum("displayname",'Tx Spectrum','fignum',10,'normalizeTo0dB',0);
+    Digi_sig.spectrum("displayname",'Tx Pre-Emphasized','fignum',10,'normalizeTo0dB',1);
 
     %%%%% Resample to DAC rate %%%%%%
     Digi_sig = Digi_sig.resample("fs_out",Awg.fdac);
 
+    Digi_sig.spectrum("displayname",'Tx Resampled','fignum',10,'normalizeTo0dB',1);
+
     % [~,~,Scpe_sig_raw,~] = A2S.process("signal2",Digi_sig);
 
     Awg.upload("signal2",Digi_sig);
@@ -113,6 +163,8 @@ if precomp_mode == 1
     return; % End routine if precomp mode is active
 end
 
+confPrev            = conf;
+
 %% Save static TX data (only once)
 currentTime = datetime('now', 'Format', 'yyyyMMdd_HHmmss');
 timeStr = char(currentTime);
@@ -142,7 +194,7 @@ for recIdx = 1:n_recording
     end
 
     % Plot spectrum and time domain (optional)
-    % Scpe_sig_raw.spectrum("displayname", 'Rx Spectrum', 'fignum', 10, 'normalizeTo0dB', 0);
+    Scpe_sig_raw.spectrum("displayname", 'Rx Spectrum', 'fignum', 10, 'normalizeTo0dB', 0);
     Scpe_sig_raw.plot("clear", 1, "displayname", 'Rx Signal', 'fignum', 11);
 
     %% Save Routine
@@ -153,7 +205,6 @@ for recIdx = 1:n_recording
     rx_raw_path = [filesep, current_folder, filesep, filename, '_rx_signal_raw'];
     save([savePath, rx_raw_path], "Scpe_sig_raw");
 
-
     % Check if loop_id is already created
     if isempty(loop_id)
         newLoop = db.tables.LoopControl;
@@ -165,7 +216,6 @@ for recIdx = 1:n_recording
         fprintf('LoopControl entry created: loop_id = %d\n', loop_id);
     end
 
-
     %% Append to Runs Table
     newRun = db.tables.Runs;
     newRun.run_id = NaN;
@@ -183,6 +233,8 @@ for recIdx = 1:n_recording
     %% Append to Configurations Table
     conf.configuration_id = NaN;
     conf.run_id = run_id;
+    conf.bitrate = conf.symbolrate .* floor(log2(6)*10)/10;
+    conf.pam_source = Pamsource;
     db.appendToTable('Configurations', conf);
 
     %% Append to Measurements Table
@@ -210,6 +262,11 @@ for recIdx = 1:n_recording
             [out, a] = submit_dsp(run_id, databasePath, database_name, savePath, ...
                 "parallel", parallel_dsp, "max_occurences", max_occurences);
         end
+        if awg_upload_required
+            [out, a] = submit_dsp(run_id, databasePath, database_name, savePath, ...
+                "parallel", 0, "max_occurences", 1);
         end
+    end
+
 end
 

projects/ECOC_2025/plots_from_database/bias_vs_ber.m

@@ -2,7 +2,7 @@
 
 basePath = 'C:\Users\sioe\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\';
 database_name = 'ecoc2025.db';
-database = DBHandler("pathToDB", [basePath, database_name]);
+database = DBHandler("pathToDB", [basePath, database_name],"type",'mysql');
 
 filterParams = database.tables;
 filterParams.Configurations = struct( ...

projects/Lab_base_system/exfo_laser_example.m

@@ -0,0 +1,15 @@
+%% Laser
+start_wavelength = 1550;
+laser = Exfo_laser("mainframe_channel",3,"safety_mode",0,"connection_id",'10','lab_interface','gpib');
+laser.getLaserInfo();
+
+laser.setWavelength(start_wavelength)
+laser.setPower(0);
+
+laser.enableLaser();
+for l = 1550:1560
+    laser.setWavelength(l);
+end
+
+laser.disableLaser();
+

projects/Lab_base_system/olaf_control.m

@@ -0,0 +1,74 @@
+
+clear all
+
+visastring = "GPIB0::22::INSTR";
+v_pwrmtr = visadev(visastring);
+writeline(v_pwrmtr, "*IDN?");
+answ = readline(v_pwrmtr);
+disp(['Yay! We can talk to Instrument: ',char(answ)]);
+
+% laser = Exfo_laser("mainframe_channel",3,"safety_mode",0,"connection_id",'15','lab_interface','gpib');
+% laser.getLaserInfo();
+
+L = OptLaserN7714A("GPIB0::20::INSTR");
+
+% visastring = 'GPIB0::10::INSTR';
+% v_lsr = visadev(visastring);
+% writeline(v_lsr, "*IDN?");
+% answ = readline(v_lsr);
+% disp(['Yay! We can talk to Instrument: ',char(answ)]);
+
+steps = 100;
+wavelength_sweep = linspace(1554,1556,steps);
+start_wavelength = wavelength_sweep(1);
+
+% laser.setWavelength(start_wavelength);
+L.setWavelength(start_wavelength,0);
+% laser.setPower(0);
+% laser.enableLaser();
+L.setPower(0, true,0);
+
+
+pwr_save = NaN(size(wavelength_sweep));
+for l = 1:numel(wavelength_sweep)
+    
+    % 1) 
+    % laser.setWavelength(wavelength_sweep(l));
+    L.setWavelength(wavelength_sweep(l),0);
+    %writeline(v_lsr, ['L=' num2str(wavelength_sweep(l))]);
+
+    % 2) Set Wavelength of Power Meter
+    t = string(['SENS2:POW:WAVE ',num2str(wavelength_sweep(l)),'NM']);
+    writeline(v_pwrmtr, t);
+        % writeline(v, "SENS:POW:WAVE?");
+        % wavel = readline(v);
+
+    % 3) Read Power of 
+    writeline(v_pwrmtr, "READ2:POW?");
+    pwr = readline(v_pwrmtr);
+    pwr_save(l) = str2num(pwr);
+
+    figure(2025);clf
+    plot(wavelength_sweep,pwr_save,'Marker','*');
+    xlabel('Wavelength [nm]');
+    ylabel('Insertion Loss [dB]');
+    ylim([min(pwr_save)-1, min(pwr_save)+1]);
+    xlim([wavelength_sweep(1) wavelength_sweep(end)])
+    grid minor
+
+end
+
+% laser.disableLaser();
+L.setPower(0, false,0);
+L.delete();
+
+%writeline(v_lsr, 'DISABLE');
+
+path= "Z:\2025\NFT WDM DFG Olaf\lambda_vs_power";
+
+dt   = datetime('now','Format','yyyyMMdd_HHmmss');
+filename = fullfile(path, "loop_5_7_"+num2str(wavelength_sweep(1)) +"nm_to_"+ num2str(wavelength_sweep(end))+ "nm_" + string(dt) + ".mat");
+
+save(filename, "pwr_save","wavelength_sweep");
+
+disp("Saved to: " + filename);

projects/Lab_base_system/olaf_laser_att_control_lambda_sweep.m

@@ -0,0 +1,61 @@
+
+clear all
+
+%%%%%%%%%%%%%%%%%%%%%
+
+start_wavelength = 1554.2; %nm
+stop_wavelength = 1555.7; %nm
+steps = 100;
+power = 0; %dBm
+name = "south_board_total_loss_ports_21_20";
+
+%%%%%%%%%%%%%%%%%%%%%
+
+wavelength_sweep = linspace(start_wavelength,stop_wavelength,steps);
+wavelength_1 = wavelength_sweep(1);
+
+visastring = "GPIB0::22::INSTR";
+v_pwrmtr = visadev(visastring);
+%writeline(v_pwrmtr, "*IDN?");
+%answ = readline(v_pwrmtr);
+%disp(['Yay! We can talk to Instrument: ',char(answ)]);
+
+L = OptLaserN7714A("GPIB0::20::INSTR");
+L.setWavelength(wavelength_1,0);
+L.setPower(power, true,0);
+
+pwr_save = NaN(size(wavelength_sweep));
+for l = 1:numel(wavelength_sweep)
+    
+    % 1) 
+    L.setWavelength(wavelength_sweep(l),0);
+
+    % 2) Set Wavelength of Power Meter
+    t = string(['SENS1:POW:WAVE ',num2str(wavelength_sweep(l)),'NM']);
+    writeline(v_pwrmtr, t);
+
+    % 3) Read Power of 
+    writeline(v_pwrmtr, "READ1:POW?");
+    pwr = readline(v_pwrmtr);
+    pwr_save(l) = str2num(pwr);
+
+    figure(2026);clf
+    plot(wavelength_sweep,pwr_save,'Marker','*');
+    xlabel('Wavelength [nm]');
+    ylabel('Insertion Loss [dB]');
+    ylim([min(pwr_save)-1, max(pwr_save)+1]);
+    xlim([wavelength_sweep(1) wavelength_sweep(eind)])
+    grid minor
+end
+
+L.setPower(0, false,0);
+L.delete();
+
+path= "Z:\2025\NFT WDM DFG Olaf\lambda_vs_power";
+
+dt   = datetime('now','Format','yyyyMMdd_HHmmss');
+filename = fullfile(path, name+"_"+replace(num2str(wavelength_sweep(1)),".","_") +"nm_to_"+ replace(num2str(wavelength_sweep(end)),".","_")+ "nm_" + string(dt) + ".mat");
+
+save(filename, "pwr_save","wavelength_sweep");
+
+disp("Saved to: " + filename);

projects/Lab_base_system/olaf_laser_control.m

@@ -0,0 +1,21 @@
+clear all
+
+% L = OptLaserN7714A("TCPIP0::134.245.243.209::inst0::INSTR");
+% L.setWavelength(1551,1);       % nm
+% L.setPower(5.8, true,1);      % dBm, also turns output ON
+% L.setDither(0,1);
+% % L.setPower(5.9, false,1);      
+% info = L.getLaserInfo();
+% 
+% L.delete();
+
+
+clear all
+
+L = OptLaserN7714A("GPIB0::20::INSTR");
+L.setWavelength(1550,0);       % nm
+L.setPower(0, true,0);      % dBm, also turns output ON
+L.setPower(0, false,0);      
+info = L.getLaserInfo();
+
+L.delete();

projects/Lab_base_system/olaf_laser_control_minimal.m

@@ -0,0 +1,29 @@
+% --- Minimal N7714A example (MATLAB) ---
+visa_addr = "TCPIP0::134.245.243.209::inst0::INSTR";   % <-- change to your laser's IP
+port = 1;                                   % 1..4 selects the N7714A output port
+
+% v = visadev(visa_addr);
+
+% Identify instrument
+writeline(v,'*IDN?'); disp(strtrim(readline(v)));
+
+% Make sure wavelength is settable (Auto mode)
+writeline(v, sprintf('SOUR%d:WAV:AUTO 1', port));         % Auto Mode ON (wavelength set allowed). 
+
+% Set wavelength and power (units explicit)
+writeline(v, sprintf('SOUR%d:WAV 1560NM', port));         % set 1550 nm. :contentReference[oaicite:3]{index=3}
+writeline(v, sprintf('SOUR%d:POW:UNIT DBM', port));       % power unit = dBm. :contentReference[oaicite:4]{index=4}
+writeline(v, sprintf('SOUR%d:POW:LEV:IMM:AMPL 6 DBM', port));  % set -3 dBm. :contentReference[oaicite:5]{index=5}
+
+% Enable output (either OUTP or SOUR:POW:STAT works)
+writeline(v, sprintf('OUTP%d:STAT ON', port));            % laser ON. :contentReference[oaicite:6]{index=6}
+writeline(v, 'OUTP1 ON');
+
+% ---- Read back to verify ----
+writeline(v, sprintf('SOUR%d:WAV?', port));  wav_m  = str2double(readline(v));
+writeline(v, sprintf('SOUR%d:POW:LEV:IMM:AMPL?', port)); pow   = str2double(readline(v));
+writeline(v, sprintf('OUTP%d:ON?', port));             onoff = str2double(readline(v));
+
+fprintf('Port %d -> %.2f nm, %.2f dBm, Output=%d\n', port, 1e9*wav_m, pow, onoff);
+
+delete(v);

projects/Lab_base_system/olaf_laser_control_single_wavelength_OFF.m

@@ -0,0 +1,2 @@
+L.setPower(power, false,0);
+L.delete();

projects/Lab_base_system/olaf_laser_control_single_wavelength_ON.m

@@ -0,0 +1,19 @@
+clear all
+
+% 1554.7097
+% 1554.9032
+% 1555.0968
+% 1555.2904
+
+
+%%%%%%%%%%%%%%%%%%%%%
+
+wavelength = 1555.0968; %nm
+power = 6; %dBm
+
+%%%%%%%%%%%%%%%%%%%%%
+
+L = OptLaserN7714A("GPIB0::20::INSTR");
+
+L.setWavelength(wavelength,0);
+L.setPower(power, true,0);

projects/run_loop.m

@@ -13,42 +13,45 @@ end
 
 database_name = 'ecoc2025_loops.db';
 
-if ~exist('db','var')
+db = DBHandler("pathToDB", [databasePath, database_name]);
-    db = DBHandler("pathToDB", [databasePath, database_name]);
-end
 conf = db.tables.Configurations;
+% conf = db.tables.Configurations;
 if ~exist('confPrev','var')
-    confPrev = db.tables.Configurations;
+    confPrev = conf;
 end
 
 awg_upload_required = 1; %still uploads every first round
 subimt_DSP          = 1;
-recordlen           = 5000000;
+recordlen           = 1000000;
-sequence_order      = 19;
+sequence_order      = 17;
-n_recording         = 2; % Or any number you want
+n_recording         = 1; % Or any number you want
+
+conf=rmfield(conf,"interference_attenuation");
+conf=rmfield(conf,"symbolrate");
+conf=rmfield(conf,"pam_level");
 
 % Define vector parameters directly in conf:
 conf.unique_elab_id     = "20250408-842b0a3078172b48dd032795226fbe683190afc4";
 conf.db_mode            = db_mode.no_db;
 conf.pulsef_alpha       = 0.2;
 conf.v_bias             = 2.65;
-conf.v_awg              = 0.9;
+conf.v_awg              = 0.85;
 conf.precomp_amp        = -64; %-64
 conf.wavelength         = 1310;
 conf.laser_power        = 11;
 conf.fiber_length       = 0;
 conf.pd_in_desired      = 9;
-conf.is_mpi             = 1;
+conf.is_mpi             = true;
 conf.signal_attenuation = 0;
-conf.interference_path_length = 300; %m
+conf.interference_path_length   = 20; %m
-conf.interference_attenuation = [0:2:30,40];
+conf.interference_attenuation   = 10;%[0:2:30,40];
-conf.pam_level                  = [4,6,8];
+conf.pam_level                  = 4;%[2,4,6,8];
-conf.symbolrate                 = [56,72,96,112].*1e9;
+conf.symbolrate                 = [112].*1e9;
-conf.bitrate                    = conf.symbolrate .* floor(log2(6)*10)/10;
+
 conf.pam_source = [];
 
 if conf.is_mpi
-    current_folder = ['mpi_',num2str(conf.interference_path_length),'m_pam',num2str(conf.pam_level)];
+    current_folder = ['test_mpi_opti_',num2str(conf.interference_path_length),'m_pam',num2str(conf.pam_level)];
 else
     current_folder = 'testing';
 end
@@ -106,10 +109,23 @@ else
             end
         end
 
-        fprintf('Running measurement: %s\n', strjoin(paramDisplayCell, ', '));
+        fprintf('Running measurement: %s ---> %d of %d done \n ', strjoin(paramDisplayCell, ', '),runIdx, totalRuns);
+        
+        if confRequest.pam_level == 2
+            confRequest.symbolrate = 112e9;
+        elseif confRequest.pam_level == 4
+            confRequest.symbolrate = 112e9;
+        elseif confRequest.pam_level == 6
+            confRequest.symbolrate = 96e9;
+        elseif confRequest.pam_level == 8
+            confRequest.symbolrate = 72e9;
+        end
+
         confRequest.bitrate = confRequest.symbolrate * floor(log2(confRequest.pam_level) * 10) / 10;
         % measure_run("config",confRun,"parallel",parallel_dsp,"max_occurences",max_occurences);
+            
             measure_run_script;
+
     end
 end