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Silas Oettinghaus
2026-01-12 11:36:15 +01:00
parent 3d01eaaa50
commit 16846d4eb7
3 changed files with 91 additions and 78 deletions
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14
projects/WDM/WDM_auswertung.m
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@@ -21,7 +21,7 @@ Smlse = cell(1,N);
Sdbt = cell(1,N);
% Choose your quantile band. For your old style, use 0.04/0.99:
qLow = 0.0; % lower quantile (e.g., 0.04 for old script)
qLow = 0.0; % lower quantile (e.g.,s 0.04 for old script)
qHigh = 1; % upper quantile (e.g., 0.99 for old script)
cols = linspecer(N); % one color per wavelength (Ch)
cols = cbrewer2('set1',N);
@@ -51,10 +51,10 @@ for l = 1:N
showLegend = 1; % one legend entry per technique
% Plot shaded band + mean line with boundedline
% plotBandMeanBL(rop, ffe_mat, cols(l,:), sprintf('FFE @ %.1d nm',round(wavelengthplan(l))), qLow, qHigh, '--s', showLegend);
plotBandMeanBL(rop, ffe_mat, cols(l,:), sprintf('FFE @ %.1d nm',round(wavelengthplan(l))), qLow, qHigh, '--s', showLegend);
% scatter(Sffe,fec.*ones(size(Sffe)),20,'v','MarkerFaceColor','black');
plotBandMeanBL(rop, vnle_mat, cols(l,:), sprintf('VNLE @ %.1d nm',round(wavelengthplan(l))), qLow, qHigh, '--x', showLegend);
% plotBandMeanBL(rop, vnle_mat, cols(l,:), sprintf('VNLE @ %.1d nm',round(wavelengthplan(l))), qLow, qHigh, '--x', showLegend);
% plotBandMeanBL(rop, mlse_mat, cols(l,:), sprintf('VNLE+PF+MLSE @ %.1d nm',round(wavelengthplan(l))), qLow, qHigh, '-o', showLegend);
@@ -73,7 +73,7 @@ ylim([1e-5 0.3]);
grid on;
legend show;
%%
S_cell = Sdbt;
S_cell =Smlse;
S_cell = {Svnle,Smlse,Sdbt};
@@ -106,7 +106,7 @@ for i = 1:length(S_cell)
'Bandwidth', 0.05);
ylim([floor(min(S_mat,[],'all')), ceil(max(S_mat,[],'all'))])
ylim([-8 0]);
% ylim([-8 0]);
ylabel('ROP at FEC crossing');
title(sprintf('RROP to cross BER %.2e', fec));
grid on; box on;
@@ -118,10 +118,6 @@ end
%% ================= helper =================
function plotBandMeanBL(x, Y, color, techLabel, qLow, qHigh, lineSpec, showLegend)
% Y: (nPoints x nRealizations)

30
projects/WDM/WDM_model_16x200.m
View File

@@ -6,9 +6,9 @@ run(fullfile(fileparts(mfilename('fullpath')),'WDM_settings.m'));
s.num_realiz = 2;
s.wavelengthplan = calcWavelengthPlan(16,400e9,1310);
% wavelengthplan = [1295,1305,1315,1325];
link_length = 0;
pmd = 0.1;
gamma = 0.0023;
link_length = 1;
s.pmd = 0.1;
s.gamma = 0.0023;
s.M = 4;
m = floor(log2(s.M)*10)/10;
@@ -52,7 +52,7 @@ f_plan = physconst('lightspeed')./(s.wavelengthplan.*1e-9);
margin = 25e12; % some THz left and right
f_span = (max(f_plan)+margin)-(min(f_plan)-margin);
f_nyq = f_span/2;
kover = 8;
kover = 4;
upsample_required = f_nyq./(fdac*kover/2);
upsample_pow = 2^nextpow2(upsample_required);
upsample_ceil = ceil(upsample_required);
@@ -64,13 +64,23 @@ signal_cell = {};
Symbols = {};
Tx_bits = {};
s.rop = -6:0.75:-0.75;
s.rop = -12:0.75:-0.75;
output_ffe = cell(length(s.wavelengthplan),length(s.rop),s.num_realiz);
output_vnle = cell(length(s.wavelengthplan),length(s.rop),s.num_realiz);
output_mlse = cell(length(s.wavelengthplan),length(s.rop),s.num_realiz);
output_dbt = cell(length(s.wavelengthplan),length(s.rop),s.num_realiz);
s.p = "pair";
switch s.p
case "co"
pol_rot = 100.*ones(1,length(s.wavelengthplan));
case "pair"
pol_rot = repmat([100,100,0,0],1,length(s.wavelengthplan)/4);
case "alt"
pol_rot = repmat([100,0,100,0],1,length(s.wavelengthplan)/4);
end
for realiz = 1:s.num_realiz
@@ -100,7 +110,7 @@ for realiz = 1:s.num_realiz
%%%%% s.MODULATE E/O CONVERSION %%%%%
Eml_out = EML("mode",eml_mode.im_cosinus,"power",3,"fsimu",El_sig.fs,"lambda",s.wavelengthplan(l),"bias",vbias,"u_pi",u_pi,"linewidth",laser_linewidth,"randomkey",s.random_key+l+realiz).process(El_sig);
signal_cell{l} = Polarization_Controller("mode","rot_power","desired_power",100).process(Eml_out);
signal_cell{l} = Polarization_Controller("mode","rot_power","desired_power",pol_rot(l)).process(Eml_out);
end
Opt_sig_wdm = Optical_Multiplex("fs_in",fdac*kover,"fs_out",upsample_pow*fdac*kover,...
@@ -108,7 +118,7 @@ for realiz = 1:s.num_realiz
Opt_sig_wdm = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",3+10*log10(N)).process(Opt_sig_wdm);
% Opt_sig_wdm.spectrum("fignum",101,"displayname",'bla','normalizeTo0dB',0,'lambda0_nm',1310,'useWavelengthAxis',0);
Opt_sig_wdm.spectrum("fignum",101,"displayname",'bla','normalizeTo0dB',0,'lambda0_nm',1310,'useWavelengthAxis',0);
% Opt_sig_wdm.spectrum("fignum",101,"displayname",'bla','normalizeTo0dB',1,'max_num_lines',2);
@@ -123,7 +133,7 @@ for realiz = 1:s.num_realiz
Dvec = getDispersionVector(nSegments, D_local, zdw, randomize_D, s.random_key+realiz);
for seg = 1:nSegments
Opt_sig_wdm_fib = DP_Fiber("L",segment_length,"D",Dvec(s),"Dpmd",pmd,"Ds",0.07,...
Opt_sig_wdm_fib = DP_Fiber("L",segment_length,"D",Dvec(seg),"Dpmd",s.pmd,"Ds",0.07,...
"beat_len",10,"corr_len",100,"dz",1,"manakov",0,...
"gamma",s.gamma,"lambda",zdw,"n_waveplates",10,"SS_dphimax",0.01,...
"SS_dzmax",50,"SS_dzmin",10,"X_alpha",0.3,"X_beta",0,"rng",1).process(Opt_sig_wdm_fib);
@@ -135,11 +145,11 @@ for realiz = 1:s.num_realiz
% Opt_sig_wdm_fib.move_it_spectrum("fignum",100212,"displayname",'bla');
% Opt_sig = Fiber("fsimu",Opt_sig.fs,"fiber_length",s.link_length/1000,"alpha",0.3,"D",0,"lambda0",1310,"s.gamma",0,"Dslope",0.07).process(Opt_sig)
Opt_sig_wdm_demux = Optical_Demultiplex("attenuation",0,"B",200e9,"filtype",1,"fs_out",Opt_sig_wdm_rx.fs/upsample_pow,"fs_in",Opt_sig_wdm_rx.fs,"lambda_center",1310).process(Opt_sig_wdm_fib);
Opt_sig_wdm_demux = Optical_Demultiplex("attenuation",0,"B",200e9,"filtype",1,"fs_out",fdac*kover,"fs_in",fdac*kover*upsample_pow,"lambda_center",1310).process(Opt_sig_wdm_fib);
for ri = 1:length(s.rop)
parfor l = 1:N
for l = 1:N
%%%%%% ROP %%%%%%
Opt_sig_wdm_rx = Amplifier("amp_mode","ideal_no_noise","gain_mode","output_power","amplification_db",s.rop(ri)).process(Opt_sig_wdm_demux{l}); % rop+10*log10(N)