1# Copyright (c) 2012 Massachusetts Institute of Technology 2# 3# Permission is hereby granted, free of charge, to any person obtaining a copy 4# of this software and associated documentation files (the "Software"), to deal 5# in the Software without restriction, including without limitation the rights 6# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7# copies of the Software, and to permit persons to whom the Software is 8# furnished to do so, subject to the following conditions: 9# 10# The above copyright notice and this permission notice shall be included in 11# all copies or substantial portions of the Software. 12# 13# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19# THE SOFTWARE. 20 21# This file contains the model for photonic devices/circuits 22PhotonicsName = Photonics 23 24# ALL PARAMETERS IN SI UNITS!!! (J, W, m, F, dB, A) 25 26# ----------------------------------------------------------------------------- 27# Waveguide 28# ----------------------------------------------------------------------------- 29Waveguide->LossPerMeter = 100 # dB/m 30Waveguide->Pitch = 4e-6 # m 31Splitter->Loss = 1.00 # dB 32Coupler->Loss = 1.00 # dB 33 34# ----------------------------------------------------------------------------- 35# Laser 36# ----------------------------------------------------------------------------- 37 38# Continuous wave off-chip (always on) laser 39Laser->CW->Efficiency = 0.25 # P_Laser/P_Electrical 40Laser->CW->LaserDiodeLoss = 1.00 # Laser diode loss 41Laser->CW->Area = 0 42 43# Gated on-chip (data-dependent) laser 44Laser->GatedCW->Efficiency = 0.25 # P_Laser/P_Electrical 45Laser->GatedCW->LaserDiodeLoss = 1.00 # Laser diode loss 46Laser->GatedCW->Area = 200e-12 47 48# ----------------------------------------------------------------------------- 49# Modulators 50# ----------------------------------------------------------------------------- 51# Ring Modulator 52Modulator->Ring->SupplyBoostRatio = 1.2 # Boost the supply voltage above required reverse bias voltage by this ratio 53Modulator->Ring->ParasiticRes = 100 # ohm 54Modulator->Ring->ParasiticCap = 5e-15 # F 55Modulator->Ring->FCPDEffect = 3e-27 # Free carrier plasma dispersion effect, delta_n/delta_c (m^-3) 56Modulator->Ring->Tn = 0.01 # Transmisivity at the bottom of the notch 57Modulator->Ring->NA = 3e24 # m^3, p doping 58Modulator->Ring->ND = 1e24 # m^3, n doping 59Modulator->Ring->ni = 1e16 # m^3, intrinsic free carriers 60Modulator->Ring->JunctionRatio = 0.8 # Junction ratio to total optical length 61Modulator->Ring->Height = 500e-9 # Height of the junction (m) 62Modulator->Ring->Width = 500e-9 # Modulator width (m) 63Modulator->Ring->ConfinementFactor = 0.3 # Modulator confinement factor 64 65# ----------------------------------------------------------------------------- 66# Ring Resonator 67# ----------------------------------------------------------------------------- 68Ring->Area = 100e-12 # m2 69Ring->Lambda = 1300e-9 # Resonant wavelength range 70Ring->GroupIndex = 4 # Group index 71Ring->Radius = 3e-6 # Bend radius of the ring 72Ring->ConfinementFactor = 0.3 # Confinement factor 73Ring->ThroughLoss = 0.01 # [dB] 74Ring->DropLoss = 1.0 # [dB] 75Ring->MaxQualityFactor = 150e3 # Maximum quality factor 76Ring->HeatingEfficiency = 100000 # Ring heating efficiency [K/W] 77Ring->TuningEfficiency = 10e9 # Ring tuning efficiency [Hz/K] 78Ring->LocalVariationSigma = 40e9 # Ring resonance frequency local mismatch sigma [Hz] 79Ring->SystematicVariationSigma = 200e9 # Ring resonance frequency systematic mismatch sigma [Hz] 80Ring->TemperatureMax = 380 # Maximum temperature that the tuning mechanism must still be able to work at [K] 81Ring->TemperatureMin = 280 # Minimum temperature that the tuning mechanism must still be able to work at [K] 82Ring->MaxElectricallyTunableFreq = 50e9 # Maximum electrically tunable range when allowing for electrically assisted tuning [Hz] 83 84# ----------------------------------------------------------------------------- 85# Photodetector 86# ----------------------------------------------------------------------------- 87Photodetector->Responsivity = 1.1 #(A/W) 88Photodetector->Area = 10e-12 # m2 89Photodetector->Cap = 0 # F 90Photodetector->ParasiticCap = 5e-15 # F 91Photodetector->Loss = 1.00 # dB 92Photodetector->MinExtinctionRatio = 3 # dB 93Photodetector->AvalancheGain = 1 # avalanche gain 94 95# ----------------------------------------------------------------------------- 96# Receivers 97# ----------------------------------------------------------------------------- 98 99# Sense amplifier (common to all receivers) 100SenseAmp->BER = 1e-15 # Target bit error rate 101SenseAmp->CMRR = 5 # Common-mode rejection ratio 102SenseAmp->OffsetCompensationBits = 5 # Number of bits used for fine-tuning offset compensation 103SenseAmp->OffsetRatio = 0.04 # Offset mismatch (as a fraction of VDD) 104SenseAmp->SupplyNoiseRandRatio = 0.01 # Random supply noise (as a fraction VDD) 105SenseAmp->SupplyNoiseDetRatio = 0.05 # Deterministic supply noise (as a fraction VDD) 106SenseAmp->NoiseMargin = 0.02 # Extra noise margin 107SenseAmp->JitterRatio = 0.01 # Jitter (as a fraction of Tbit) 108 109Receiver->Int->IntegrationTimeRatio = 0.7 # Integration time (as a fraction of Tbit) 110