gem5/ext/dsent/tech/tech_models/Photonics.model
Nilay Vaish e8ed7b1d1b ext: add the source code for DSENT
This patch adds a tool called DSENT to the ext/ directory.  DSENT
is a tool that models power and area for on-chip networks.  The next
patch adds a script for using the tool.
2014-10-11 15:02:23 -05:00

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5.6 KiB
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# 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)