GatedLaserSource.cc revision 10447:a465576671d4 
1#include "model/optical/GatedLaserSource.h"
2
3#include "model/optical_graph/OpticalWaveguide.h"
4#include "model/optical_graph/OpticalWavelength.h"
5#include "model/optical_graph/OpticalLaser.h"
6#include "model/optical_graph/OpticalGraph.h"
7
8namespace DSENT
9{
10    GatedLaserSource::GatedLaserSource(const String& instance_name_, const TechModel* tech_model_)
11        : OpticalModel(instance_name_, tech_model_)
12    {
13        initParameters();
14        initProperties();
15    }
16
17    GatedLaserSource::~GatedLaserSource()
18    {}
19
20    void GatedLaserSource::initParameters()
21    {
22        addParameterName("OutStart");
23        addParameterName("OutEnd");
24        addParameterName("MaxDetectors");
25        return;
26    }
27
28    void GatedLaserSource::initProperties()
29    {
30		addPropertyName("OptUtil", 1.0);
31        addPropertyName("LaserEventTime");
32        return;
33    }
34
35    void GatedLaserSource::constructModel()
36    {
37        // Create Area result
38        Result* area_result = new AtomicResult("Photonic");
39        addAreaResult(area_result);
40        // Create NDD power result
41        Result* energy_result = new AtomicResult("Laser");
42        addEventResult(energy_result);
43
44        // Get parameters
45        WavelengthGroup laser_wavelengths = makeWavelengthGroup(getParameter("OutStart"), getParameter("OutEnd"));
46
47        // Create optical ports
48        createOpticalOutputPort(    "Out",      laser_wavelengths);
49        // Create the filter
50        createLaser(                "Laser",    laser_wavelengths);
51        OpticalLaser* laser = getLaser("Laser");
52        // Connect the laser to the output
53        laser->addDownstreamNode(getWaveguide("Out"));
54    }
55
56    void GatedLaserSource::updateModel()
57    {
58        // Get properties
59        double laser_efficiency = getTechModel()->get("Laser->CW->Efficiency");
60        double laser_area = getTechModel()->get("Laser->CW->Area");
61        double laser_diode_loss = getTechModel()->get("Laser->CW->LaserDiodeLoss");
62
63        // Get parameters
64        WavelengthGroup laser_wavelengths = makeWavelengthGroup(getParameter("OutStart"), getParameter("OutEnd"));
65        unsigned int number_wavelengths = laser_wavelengths.second - laser_wavelengths.first + 1;
66        // Update losses
67        OpticalLaser* laser = getLaser("Laser");
68        laser->setLoss(laser_diode_loss);
69        laser->setEfficiency(laser_efficiency);
70        // Update area
71        getAreaResult("Photonic")->setValue(laser_area * number_wavelengths);
72    }
73
74    void GatedLaserSource::evaluateModel()
75    {
76        // Get parameters
77        unsigned int max_detectors = getParameter("MaxDetectors");
78        double laser_event_time = getProperty("LaserEventTime");
79        WavelengthGroup laser_wavelengths = makeWavelengthGroup(getParameter("OutStart"), getParameter("OutEnd"));
80
81		// Get properties
82		double opt_util = getProperty("OptUtil");
83
84        // Create optical graph object
85        OpticalGraph* optical_graph = new OpticalGraph("LaserTrace", this);
86        // Ask optical graph object to perform power optimization
87        bool success = optical_graph->performPowerOpt(getLaser("Laser"), laser_wavelengths, max_detectors, opt_util);
88        if (!success)
89        {
90            Log::printLine(std::cerr, "[Warning] " + getInstanceName() +
91                " -> Wavelengths contains data paths with no possible modulator configurations!");
92        }
93        // Trace the wavelengths the laser is outputting to find the output
94        // power needed by the laser
95        OpticalWavelength* wavelength = optical_graph->traceWavelength(laser_wavelengths, getLaser("Laser"));
96        // Calculate the power needed by the wavelength
97        double laser_power = wavelength->getLaserPower(max_detectors);
98        // Calculate NDD power
99        getEventResult("Laser")->setValue(laser_power * laser_event_time);
100
101        delete wavelength;
102        delete optical_graph;
103    }
104
105} // namespace DSENT
106
107