Many changes for 400G DSP

Minimal Example
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Functions/beautifyBERplot.m

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+function beautifyBERplot()
+    % BEAUTIFYBERPLOT Enhances a BER plot for publication-quality figures.
+    %
+    %   This function automatically adjusts the aesthetics of an existing plot.
+    %   It sets limits based on the data already plotted and modifies the
+    %   appearance for publication-ready figures.
+
+    % Set line properties for all current plot lines
+    lines = findall(gca, 'Type', 'Line');
+    markers = {'o', 's', 'd', '^', 'v', '>', '<', 'p', 'h'}; % Define marker styles
+    num_markers = length(markers);
+    
+    for i = 1:length(lines)
+        lines(i).LineWidth = 1.5;  % Set a thicker line width
+        lines(i).LineStyle = '-';  % Solid lines for simplicity
+        lines(i).Marker = markers{mod(i-1, num_markers) + 1}; % Assign markers cyclically
+        lines(i).MarkerSize = 6;  % Set marker size
+        lines(i).MarkerFaceColor = 'auto'; % Use line color for marker face
+    end
+
+    % Change all text interpreters to LaTeX
+    set(findall(gca, '-property', 'Interpreter'), 'Interpreter', 'latex');
+
+    % Set figure background to white
+    set(gcf, 'Color', 'w');
+
+    % Set axis labels with LaTeX
+    xlabel('Bit Rate in Gbps', 'Interpreter', 'latex');
+    ylabel('Bit Error Rate', 'Interpreter', 'latex');
+
+    % Determine x and y limits from the data in the plot
+    x_data = [];
+    y_data = [];
+    for i = 1:length(lines)
+        x_data = [x_data; lines(i).XData(:)]; %#ok<AGROW> % Append x data
+        y_data = [y_data; lines(i).YData(:)]; %#ok<AGROW> % Append y data
+    end
+    x_min = min(x_data);
+    x_max = max(x_data);
+    y_min = 1e-4; % Ensure no negative or zero values for log scale
+    y_max = 0.5;
+
+    % Adjust axis ranges
+    xlim([x_min, x_max]);
+    ylim([y_min, y_max]);
+
+    % Set logarithmic scale for y-axis
+    set(gca, 'YScale', 'log');
+
+    % Customize grid and box appearance
+    set(gca, 'Box', 'on', 'LineWidth', 1.2);  % Add a thicker border
+    grid on;
+    grid minor;
+
+    % Adjust font size and style for better readability
+    set(gca, 'FontSize', 12, 'FontName', 'Times New Roman');
+end