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SaveLoad.py
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SaveLoad.py
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#!/usr/bin/env python2
# -*- coding:utf-8 -*-
# ===========================================================================
# ErwinJr is a simulation program for quantum semiconductor lasers.
# Copyright (C) 2012 Kale J. Franz, PhD
# Copyright (C) 2017 Ming Lyu (CareF)
#
# A portion of this code is Copyright (c) 2011, California Institute of
# Technology ("Caltech"). U.S. Government sponsorship acknowledged.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ===========================================================================
from __future__ import division
import numpy as np
import sys
from QCLayers import QCLayers
from Strata import Strata
newLineChar = '\n'
if sys.platform == 'darwin':
newLineChar = '\n'
numMaterials = 8
def qclLoad(filehandle, qclayers=None, strata=None):
"""Load file with filename 'fname' into qclayers and strata"""
if not isinstance(qclayers, QCLayers) and not isinstance(strata, Strata):
raise TypeError("qclLoad: Nothing to load.."
"Both QCLayers and Strata are not valid type")
valDict = {}
filehandle.readline() # throw away 'ErwinJr Data File'
while True:
line = filehandle.readline()
if line == '# QC layers #'+newLineChar:
break
line = line.split(':')
valDict[line[0]] = line[1].strip()
if isinstance(qclayers, QCLayers):
qclayers.description = valDict['Description']
qclayers.substrate = valDict['Substrate']
qclayers.EField = float(valDict['Efield'])
qclayers.xres = float(valDict['xres'])
qclayers.vertRes = float(valDict['Eres'])
for n in range(numMaterials):
qclayers.moleFrac[n] = float(valDict['moleFrac%d' % (n+1)])
qclayers.solver = valDict['Solver']
qclayers.Temperature = float(valDict['Temp'])
qclayers.TempFoM = float(valDict['TempFoM'])
qclayers.repeats = int(valDict['PlotPeriods'])
qclayers.diffLength = float(valDict['DiffLeng'])
# QC layers
lines = []
while True:
line = filehandle.readline()
if line == '# Optical strata #'+newLineChar:
break
lines.append(line)
rows = len(lines)
qclayers.layerWidth = np.empty(rows, np.int_)
for item in ('layerBarriers', 'layerARs', 'layerDopings',
'layerMaterials', 'layerDividers'):
setattr(qclayers, item, np.zeros(rows))
for q, line in enumerate(lines):
line = line.split('\t')
qclayers.layerWidth[q] = int(np.round(float(line[1])
/ qclayers.xres))
qclayers.layerBarriers[q] = float(line[2])
qclayers.layerARs[q] = float(line[3])
qclayers.layerMaterials[q] = float(line[4])
qclayers.layerDopings[q] = float(line[5])
qclayers.layerDividers[q] = float(line[6])
if isinstance(strata, Strata):
strata.wavelength = float(valDict['Wavelength'])
strata.operatingField = float(valDict['StratumField'])
strata.Lp = float(valDict['Lp'])
strata.Np = float(valDict['Np'])
strata.aCore = float(valDict['alphaCore'])
strata.nCore = complex(valDict['nCore'])
strata.nD = float(valDict['nD'])
strata.transitionBroadening = float(valDict['transitionBroadening'])
strata.tauUpper = float(valDict['tauUpper'])
strata.tauLower = float(valDict['tauLower'])
strata.tauUpperLower = float(valDict['tauUpperLower'])
strata.opticalDipole = float(valDict['opticalDipole'])
strata.FoM = float(valDict['FoM'])
strata.waveguideFacets = valDict['waveguideFacets']
strata.waveguideLength = float(valDict['waveguideLength'])
strata.customFacet = float(valDict['customFacet'])
# Optical strata
lines = filehandle.readlines()
rows = len(lines)
for item in ('stratumCompositions', 'stratumThicknesses',
'stratumDopings'):
setattr(strata, item, np.zeros(rows))
strata.stratumMaterials = []
for q, line in enumerate(lines):
line = line.split('\t')
strata.stratumMaterials.append(str(line[1]))
strata.stratumCompositions[q] = float(line[2])
strata.stratumThicknesses[q] = float(line[3])
strata.stratumDopings[q] = float(line[4])
return True
def qclSave(filehandle, qclayers, strata):
"""Save file with filename 'fname' from qclayers and strata"""
if not isinstance(qclayers, QCLayers) and not isinstance(strata, Strata):
raise TypeError("qclSave: Nothing to save.."
"Both QCLayers and Strata are not valid type")
if isinstance(qclayers, QCLayers):
filehandle.write("Description:" + qclayers.description + '\n')
filehandle.write("Substrate:" + qclayers.substrate + '\n')
filehandle.write("Efield:" + str(qclayers.EField) + '\n')
filehandle.write("xres:" + str(qclayers.xres) + '\n')
filehandle.write("Eres:" + str(qclayers.vertRes) + '\n')
for n in range(numMaterials):
filehandle.write("moleFrac%d:" % (n+1) +
str(qclayers.moleFrac[n]) + '\n')
filehandle.write("Solver:" + qclayers.solver + '\n')
filehandle.write("Temp:" + str(qclayers.Temperature) + '\n')
filehandle.write("TempFoM:" + str(qclayers.TempFoM) + '\n')
filehandle.write("PlotPeriods:" + str(qclayers.repeats) + '\n')
filehandle.write("DiffLeng:" + str(qclayers.diffLength) + '\n')
if isinstance(strata, Strata):
filehandle.write("Wavelength:" + str(strata.wavelength) + '\n')
filehandle.write("StratumField:" + str(strata.operatingField) + '\n')
filehandle.write("Lp:" + str(strata.Lp) + '\n')
filehandle.write("Np:" + str(strata.Np) + '\n')
filehandle.write("alphaCore:" + str(strata.aCore) + '\n')
filehandle.write("nCore:" + str(strata.nCore) + '\n')
filehandle.write("nD:" + str(strata.nD) + '\n')
filehandle.write("transitionBroadening:" +
str(strata.transitionBroadening) + '\n')
filehandle.write("tauUpper:" + str(strata.tauUpper) + '\n')
filehandle.write("tauLower:" + str(strata.tauLower) + '\n')
filehandle.write("tauUpperLower:" + str(strata.tauUpperLower) + '\n')
filehandle.write("opticalDipole:" + str(strata.opticalDipole) + '\n')
filehandle.write("FoM:" + str(strata.FoM) + '\n')
filehandle.write("waveguideFacets:" + strata.waveguideFacets + '\n')
filehandle.write("waveguideLength:" + str(strata.waveguideLength)+'\n')
filehandle.write("customFacet:" + str(strata.customFacet) + '\n')
filehandle.write("# QC layers #\n")
if isinstance(qclayers, QCLayers):
for row in range(qclayers.layerWidth.size):
string = "%d\t%f\t%d\t%d\t%d\t%f\t%d\n" % (
row+1, qclayers.xres * qclayers.layerWidth[row],
qclayers.layerBarriers[row], qclayers.layerARs[row],
qclayers.layerMaterials[row], qclayers.layerDopings[row],
qclayers.layerDividers[row])
filehandle.write(string)
filehandle.write("# Optical strata #\n")
if isinstance(strata, Strata):
for row in range(strata.stratumDopings.size):
string = "%d\t%s\t%f\t%f\t%f\n" % (
row+1, strata.stratumMaterials[row],
strata.stratumCompositions[row],
strata.stratumThicknesses[row], strata.stratumDopings[row])
filehandle.write(string)
return True
# vim: ts=4 sw=4 sts=4 expandtab