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• Next in the “Group” drop-down list select “Frequency”, in the “Units” drop-down list select “nm” • Right-click on “Value” and select “Spread” from the context menu. In the dialog box that pops up enter 1510 for “Start Value” and 5.2 for “Increment”. Figure 90 - Rapidly tuning a multi-line source to a new spectral region • Select “Output Signal Type” from “Group”. As described above “Multiple Assign” 0 to the “Value” of the “Parameterized” parameter. This means that the signals will be generated with full sampled spectra, using the “sampled signal” representation instead of the “parameterized signal” one. • Close the subsystem. • Repeat the same steps for the next subsystem setting its source wavelengths from 1572.6 to 1630 nm and the powers to –10 dBm Now we have the necessary pumps and signals and can start building the Raman amplifier 68
Figure 91 – Raman Amplifier subsystems Designing a broadband gain-flattened Raman amplifier First we open a new design version named “Broadband Raman Amplifier”. Then we copy and paste all the subsystems from the previous design version into the new one. After adding the Raman amplifier component from the “Amplifiers” component library, 2x1 combiner and several OSA visualizers we arrive at the following layout: 69
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Tutorials OptiSys_Design Optical Co
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TABLE OF CONTENTS INTRODUCTION.....
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Introduction The most efficient way
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• Select CW Laser 1.0 and place i
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• The CW laser output to the Mach
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Visualizers and Data Monitors Figur
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For each category tab, there is a l
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Visualizers parameters In order to
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Optical Spectrum Analyzer Optical s
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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 and 72: Lesson 9: Design of a broadband Ram
Page 73: After creating the subsystem as sho
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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