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We arrive at the following layout and can now calculate and observe the compound output. Figure 88 - Multi-line source layout Definition of Multi-line source subsystem It would be handy to use that combination of elements for defining both the pumps and the signal sources of the broadband Raman amplifier. The easiest way to achieve this is to hide the details in a subsystem, which is to be used later for different applications with a minor tuning of the parameters. First we open a new design version named “Multi-Line Sources”. 66
After creating the subsystem as shown in Creating a Subsystem we copy and paste it two times. The two new instances of that subsystem will be used as signal sources in the region 1510 – 1630 nm. Let us change the names of the subsystems respectively to “Multi-Line Pump 1400 - 1510 nm“, “Multi-Line Source 1510 - 1570 nm” and “Multi-Line Source 1570 - 1630 nm” by double clicking their icons and filling the “Label” field in the parameter dialog box. Now we need to adjust the internal parameters of the two new subsystem instances in order to use them as signal sources. The following steps are the fastest way to do that: • Right-click on the icon of “Multi-Line Source 1510 - 1570 nm” • Select “Look inside” from the context menu. The internal details are displayed in the layout editor. • Open the “Parameter groups” by clicking Ctrl-5. • In the “Group” drop-down list select “Power”, in the “Units” drop-down list select “dBm” • Click on “Value” button to select all values in that column • Right-click on “Value” and select “Assign Multiple” from the context menu. In the dialog box that pops up enter –10. Figure 89 - Rapidly adapting the parameters of a multi-line source 67
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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
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• 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 and 60: Lesson 5: Design Versions - EDFA Ch
Page 61 and 62: Lesson 6: Optimizations - System ma
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: Lesson 9: Design of a broadband Ram
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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