O-band Amp Characterization Measurement

projects/Lab_analysis/laser_characterization.m

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+laser = Exfo_laser("mainframe_channel",1,"safety_mode",0,"connection_id",'10','lab_interface','gpib');
+laser.getLaserInfo();
+
+pm = OptPowerMeter8153A("active",[0,1],"wavelength_nm",[1550,start_wavelength]);
+pm.readPower
+
+laserparams.lambda = [1260:2:1360];
+laserparams.laserpower = [0,3,6,8,10];
+laser_output_wh = DataStorage(laserparams);
+laser_output_wh.addStorage("plaser");
+
+pm = OptPowerMeter8153A("active",[0,1],"wavelength_nm",[1550,1310]);
+laser.setWavelength(1310);
+
+cw_pwr = NaN(numel(laserparams.laserpower),numel(laserparams.lambda));
+row = 1;
+for p = laserparams.laserpower
+    laser.setPower(p);
+    cnt = 1;
+    for w = laserparams.lambda
+        laser.setWavelength(w);
+        pm.setWavelength([1550,w]);
+        
+        for i = 1:20
+            [totalpower]=pm.readPower;
+            cw_measurement(i)=totalpower(2)+10;
+            cw_pwr(row,cnt) = mean(cw_measurement);
+            pause(3);
+        end
+        
+        laser_output_wh.addValueToStorage(cw_measurement,'plaser',w,p);
+
+        figure(2027);clf
+        plot(laserparams.lambda,cw_pwr(1:row,:),'Marker','*');
+        xlabel('Wavelength [nm]');
+        ylabel('Laser Output Power [dBm]');
+        ylim([0, 11]);
+        xlim([laserparams.lambda(1) laserparams.lambda(end)])
+        grid minor
+    
+        cnt = cnt+1;
+    end
+    row = row+1;
+end
+
+figure();hold on
+for p = laserparams.laserpower
+    plot(laserparams.lambda,laser_output_wh.getStoValue('plaser',laserparams.lambda,p))
+end
+xlabel('Wavelength [nm]');
+ylabel('Laser Output Power [dBm]');
+ylim([0, 11]);
+xlim([laserparams.lambda(1) laserparams.lambda(end)])
+grid minor