| # Copyright (c) 2012 Massachusetts Institute of Technology | |
| # | |
| # Permission is hereby granted, free of charge, to any person obtaining a copy | |
| # of this software and associated documentation files (the "Software"), to deal | |
| # in the Software without restriction, including without limitation the rights | |
| # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| # copies of the Software, and to permit persons to whom the Software is | |
| # furnished to do so, subject to the following conditions: | |
| # | |
| # The above copyright notice and this permission notice shall be included in | |
| # all copies or substantial portions of the Software. | |
| # | |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
| # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
| # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
| # THE SOFTWARE. | |
| # This file contains the model for photonic devices/circuits | |
| PhotonicsName = Photonics | |
| # ALL PARAMETERS IN SI UNITS!!! (J, W, m, F, dB, A) | |
| # ----------------------------------------------------------------------------- | |
| # Waveguide | |
| # ----------------------------------------------------------------------------- | |
| Waveguide->LossPerMeter = 100 # dB/m | |
| Waveguide->Pitch = 4e-6 # m | |
| Splitter->Loss = 1.00 # dB | |
| Coupler->Loss = 1.00 # dB | |
| # ----------------------------------------------------------------------------- | |
| # Laser | |
| # ----------------------------------------------------------------------------- | |
| # Continuous wave off-chip (always on) laser | |
| Laser->CW->Efficiency = 0.25 # P_Laser/P_Electrical | |
| Laser->CW->LaserDiodeLoss = 1.00 # Laser diode loss | |
| Laser->CW->Area = 0 | |
| # Gated on-chip (data-dependent) laser | |
| Laser->GatedCW->Efficiency = 0.25 # P_Laser/P_Electrical | |
| Laser->GatedCW->LaserDiodeLoss = 1.00 # Laser diode loss | |
| Laser->GatedCW->Area = 200e-12 | |
| # ----------------------------------------------------------------------------- | |
| # Modulators | |
| # ----------------------------------------------------------------------------- | |
| # Ring Modulator | |
| Modulator->Ring->SupplyBoostRatio = 1.2 # Boost the supply voltage above required reverse bias voltage by this ratio | |
| Modulator->Ring->ParasiticRes = 100 # ohm | |
| Modulator->Ring->ParasiticCap = 5e-15 # F | |
| Modulator->Ring->FCPDEffect = 3e-27 # Free carrier plasma dispersion effect, delta_n/delta_c (m^-3) | |
| Modulator->Ring->Tn = 0.01 # Transmisivity at the bottom of the notch | |
| Modulator->Ring->NA = 3e24 # m^3, p doping | |
| Modulator->Ring->ND = 1e24 # m^3, n doping | |
| Modulator->Ring->ni = 1e16 # m^3, intrinsic free carriers | |
| Modulator->Ring->JunctionRatio = 0.8 # Junction ratio to total optical length | |
| Modulator->Ring->Height = 500e-9 # Height of the junction (m) | |
| Modulator->Ring->Width = 500e-9 # Modulator width (m) | |
| Modulator->Ring->ConfinementFactor = 0.3 # Modulator confinement factor | |
| # ----------------------------------------------------------------------------- | |
| # Ring Resonator | |
| # ----------------------------------------------------------------------------- | |
| Ring->Area = 100e-12 # m2 | |
| Ring->Lambda = 1300e-9 # Resonant wavelength range | |
| Ring->GroupIndex = 4 # Group index | |
| Ring->Radius = 3e-6 # Bend radius of the ring | |
| Ring->ConfinementFactor = 0.3 # Confinement factor | |
| Ring->ThroughLoss = 0.01 # [dB] | |
| Ring->DropLoss = 1.0 # [dB] | |
| Ring->MaxQualityFactor = 150e3 # Maximum quality factor | |
| Ring->HeatingEfficiency = 100000 # Ring heating efficiency [K/W] | |
| Ring->TuningEfficiency = 10e9 # Ring tuning efficiency [Hz/K] | |
| Ring->LocalVariationSigma = 40e9 # Ring resonance frequency local mismatch sigma [Hz] | |
| Ring->SystematicVariationSigma = 200e9 # Ring resonance frequency systematic mismatch sigma [Hz] | |
| Ring->TemperatureMax = 380 # Maximum temperature that the tuning mechanism must still be able to work at [K] | |
| Ring->TemperatureMin = 280 # Minimum temperature that the tuning mechanism must still be able to work at [K] | |
| Ring->MaxElectricallyTunableFreq = 50e9 # Maximum electrically tunable range when allowing for electrically assisted tuning [Hz] | |
| # ----------------------------------------------------------------------------- | |
| # Photodetector | |
| # ----------------------------------------------------------------------------- | |
| Photodetector->Responsivity = 1.1 #(A/W) | |
| Photodetector->Area = 10e-12 # m2 | |
| Photodetector->Cap = 0 # F | |
| Photodetector->ParasiticCap = 5e-15 # F | |
| Photodetector->Loss = 1.00 # dB | |
| Photodetector->MinExtinctionRatio = 3 # dB | |
| Photodetector->AvalancheGain = 1 # avalanche gain | |
| # ----------------------------------------------------------------------------- | |
| # Receivers | |
| # ----------------------------------------------------------------------------- | |
| # Sense amplifier (common to all receivers) | |
| SenseAmp->BER = 1e-15 # Target bit error rate | |
| SenseAmp->CMRR = 5 # Common-mode rejection ratio | |
| SenseAmp->OffsetCompensationBits = 5 # Number of bits used for fine-tuning offset compensation | |
| SenseAmp->OffsetRatio = 0.04 # Offset mismatch (as a fraction of VDD) | |
| SenseAmp->SupplyNoiseRandRatio = 0.01 # Random supply noise (as a fraction VDD) | |
| SenseAmp->SupplyNoiseDetRatio = 0.05 # Deterministic supply noise (as a fraction VDD) | |
| SenseAmp->NoiseMargin = 0.02 # Extra noise margin | |
| SenseAmp->JitterRatio = 0.01 # Jitter (as a fraction of Tbit) | |
| Receiver->Int->IntegrationTimeRatio = 0.7 # Integration time (as a fraction of Tbit) |