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For each design version we have three graphs showing the Output signal power, Gain and Noise figure versus the sweep parameter. These three graphs were combined into one view, this means we have four views: Gain, Noise Figure and Output power versus Length, signal power, pump power and wavelength. Figure 73 -Graphs and Views 54
Lesson 6: Optimizations – System margin OptiSys_Design can optimize parameters in order to maximize, minimize or to find the target value for results. This means you can optimize the fiber length of the EDFA to obtain the maximum gain, calculate the attenuation/gain to obtain a target Q-Factor, minimize the BER by optimizing the fiber length of the link, etc. The sample file “System Margin.osd” shows how to estimate the System margin; this margin shows the amount of power penalty that may be added to the system. The target BER is 10 -9 , that means a target Q-Factor of 6. Figure 74 -System Margin.osd In this example the subsystem “System under test” is an empty system. The optimization will optimize for the parameter attenuation from the Attenuator component to obtain the target value of the min Q-Factor from the BER Analyzer result. The parameter attenuation will be the system margin in dB. 55
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Tutorials OptiSys_Design Optical Co
Page 5 and 6:
TABLE OF CONTENTS INTRODUCTION.....
Page 7 and 8:
Introduction The most efficient way
Page 9 and 10: • Select CW Laser 1.0 and place i
Page 11 and 12: • The CW laser output to the Mach
Page 13 and 14: Visualizers and Data Monitors Figur
Page 15 and 16: For each category tab, there is a l
Page 17 and 18: Visualizers parameters In order to
Page 19 and 20: Optical Spectrum Analyzer Optical s
Page 21 and 22: You can also trace the to obtain th
Page 23 and 24: Lesson 2: Subsystems - Hierarchical
Page 25 and 26: Closing the subsystem Main layout S
Page 27 and 28: Subsystem properties: name and icon
Page 29 and 30: • In the Add parameter dialog box
Page 31 and 32: Global parameter frequency Global p
Page 33 and 34: Figure 39 -Adding components to the
Page 35 and 36: Running the simulation You can conn
Page 37 and 38: • Resize the layout by pressing C
Page 39 and 40: Parameter groups table gives you ac
Page 41 and 42: Figure 49 -Simulation results from
Page 43 and 44: Figure 52 -Loop control parameters
Page 45 and 46: • Select Electrical Amplifier 1.0
Page 47 and 48: Figure 57 -BER Analyzer graphs You
Page 49 and 50: The 3D graph is available in the gr
Page 51 and 52: Selecting the parameter to be itera
Page 53 and 54: Changing the values of sweep iterat
Page 55 and 56: Getting results using the Graph bui
Page 57 and 58: Browsing parameter sweep iterations
Page 59: Lesson 5: Design Versions - EDFA Ch
Page 63 and 64: Figure 77 -Getting results 57
Page 65 and 66: Figure 79 -Parameters for fiber len
Page 67 and 68: Input After SMF Output Figure 82 -S
Page 69 and 70: Figure 84 -The dispersion compensat
Page 71 and 72: Lesson 9: Design of a broadband Ram
Page 73 and 74: After creating the subsystem as sho
Page 75 and 76: Figure 91 - Raman Amplifier subsyst
Page 77 and 78: Figure 93 - Forward output spectrum
Page 79 and 80: Lesson 10: Optimization of the gain
Page 81 and 82: It is immediately seen that optimal
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