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.
90 lines
5.6 KiB
Plaintext
90 lines
5.6 KiB
Plaintext
# This file contains the model for photonic devices/circuits
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PhotonicsName = Photonics
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# ALL PARAMETERS IN SI UNITS!!! (J, W, m, F, dB, A)
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# -----------------------------------------------------------------------------
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# Waveguide
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# -----------------------------------------------------------------------------
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Waveguide->LossPerMeter = 100 # dB/m
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Waveguide->Pitch = 4e-6 # m
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Splitter->Loss = 1.00 # dB
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Coupler->Loss = 1.00 # dB
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# -----------------------------------------------------------------------------
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# Laser
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# -----------------------------------------------------------------------------
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# Continuous wave off-chip (always on) laser
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Laser->CW->Efficiency = 0.25 # P_Laser/P_Electrical
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Laser->CW->LaserDiodeLoss = 1.00 # Laser diode loss
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Laser->CW->Area = 0
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# Gated on-chip (data-dependent) laser
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Laser->GatedCW->Efficiency = 0.25 # P_Laser/P_Electrical
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Laser->GatedCW->LaserDiodeLoss = 1.00 # Laser diode loss
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Laser->GatedCW->Area = 200e-12
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# -----------------------------------------------------------------------------
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# Modulators
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# -----------------------------------------------------------------------------
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# Ring Modulator
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Modulator->Ring->SupplyBoostRatio = 1.2 # Boost the supply voltage above required reverse bias voltage by this ratio
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Modulator->Ring->ParasiticRes = 100 # ohm
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Modulator->Ring->ParasiticCap = 5e-15 # F
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Modulator->Ring->FCPDEffect = 3e-27 # Free carrier plasma dispersion effect, delta_n/delta_c (m^-3)
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Modulator->Ring->Tn = 0.01 # Transmisivity at the bottom of the notch
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Modulator->Ring->NA = 3e24 # m^3, p doping
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Modulator->Ring->ND = 1e24 # m^3, n doping
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Modulator->Ring->ni = 1e16 # m^3, intrinsic free carriers
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Modulator->Ring->JunctionRatio = 0.8 # Junction ratio to total optical length
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Modulator->Ring->Height = 500e-9 # Height of the junction (m)
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Modulator->Ring->Width = 500e-9 # Modulator width (m)
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Modulator->Ring->ConfinementFactor = 0.3 # Modulator confinement factor
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# -----------------------------------------------------------------------------
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# Ring Resonator
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# -----------------------------------------------------------------------------
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Ring->Area = 100e-12 # m2
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Ring->Lambda = 1300e-9 # Resonant wavelength range
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Ring->GroupIndex = 4 # Group index
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Ring->Radius = 3e-6 # Bend radius of the ring
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Ring->ConfinementFactor = 0.3 # Confinement factor
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Ring->ThroughLoss = 0.01 # [dB]
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Ring->DropLoss = 1.0 # [dB]
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Ring->MaxQualityFactor = 150e3 # Maximum quality factor
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Ring->HeatingEfficiency = 100000 # Ring heating efficiency [K/W]
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Ring->TuningEfficiency = 10e9 # Ring tuning efficiency [Hz/K]
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Ring->LocalVariationSigma = 40e9 # Ring resonance frequency local mismatch sigma [Hz]
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Ring->SystematicVariationSigma = 200e9 # Ring resonance frequency systematic mismatch sigma [Hz]
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Ring->TemperatureMax = 380 # Maximum temperature that the tuning mechanism must still be able to work at [K]
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Ring->TemperatureMin = 280 # Minimum temperature that the tuning mechanism must still be able to work at [K]
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Ring->MaxElectricallyTunableFreq = 50e9 # Maximum electrically tunable range when allowing for electrically assisted tuning [Hz]
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# -----------------------------------------------------------------------------
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# Photodetector
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# -----------------------------------------------------------------------------
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Photodetector->Responsivity = 1.1 #(A/W)
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Photodetector->Area = 10e-12 # m2
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Photodetector->Cap = 0 # F
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Photodetector->ParasiticCap = 5e-15 # F
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Photodetector->Loss = 1.00 # dB
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Photodetector->MinExtinctionRatio = 3 # dB
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Photodetector->AvalancheGain = 1 # avalanche gain
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# -----------------------------------------------------------------------------
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# Receivers
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# -----------------------------------------------------------------------------
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# Sense amplifier (common to all receivers)
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SenseAmp->BER = 1e-15 # Target bit error rate
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SenseAmp->CMRR = 5 # Common-mode rejection ratio
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SenseAmp->OffsetCompensationBits = 5 # Number of bits used for fine-tuning offset compensation
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SenseAmp->OffsetRatio = 0.04 # Offset mismatch (as a fraction of VDD)
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SenseAmp->SupplyNoiseRandRatio = 0.01 # Random supply noise (as a fraction VDD)
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SenseAmp->SupplyNoiseDetRatio = 0.05 # Deterministic supply noise (as a fraction VDD)
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SenseAmp->NoiseMargin = 0.02 # Extra noise margin
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SenseAmp->JitterRatio = 0.01 # Jitter (as a fraction of Tbit)
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Receiver->Int->IntegrationTimeRatio = 0.7 # Integration time (as a fraction of Tbit)
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