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2026-06-08 15:46:41 +08:00
parent a889107aea
commit a1db2d9bc4
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simulation/Lumerical/mx_simulation_lib.lsf
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## @ cord = [x,y,z] denotes a rectangle
## @ cord_span = [xs,ys,zs] denotes a rectangle
function mx_simu_area(name,coord,span,mesh_accuracy,meshs,boundary,time) {
if((name=='FDTD')){
addfdtd;
set('simulation time',time*1e-15);
FDE_on = 0;
}
else if ((name=='FDE_x')){
FDE_on = 1;
addfde;
set('solver type','2D X normal');
span(1) = 0;
}
else if (name=='FDE_y'){
addfde;
FDE_on = 1;
set('solver type','2D Y normal');
span(2) = 0;
}
else if (name=='FDE_z'){
addfde;
FDE_on = 1;
set('solver type','2D Z normal');
span(3) = 0;
}
x = coord(1);
y = coord(2);
z = coord(3);
set('x',x);
set('y',y);
set('z',z);
xs = span(1);
ys = span(2);
zs = span(3);
if (xs>0) {
set('x span',xs);
set('x min bc',boundary);
set('x max bc',boundary);
if (FDE_on) {
set('define x mesh by','maximum mesh step');
set('dx',meshs(1));
}
}
if (ys>0) {
set('y span',ys);
set('y min bc',boundary);
set('y max bc',boundary);
if (FDE_on) {
set('define y mesh by','maximum mesh step');
set('dz',meshs(2));
}
}
if (zs>0) {
set('z span',zs);
set('z min bc',boundary);
set('z max bc',boundary);
if (FDE_on) {
set('define z mesh by','maximum mesh step');
set('dz',meshs(3));
}
}
if((name=='FDTD')){
if (mesh_accuracy==0){
addmesh;
set('dx',meshs(1));
set('dy',meshs(2));
set('dz',meshs(3));
set('x',x);
set('y',y);
set('z',z);
xs = span(1);
ys = span(2);
zs = span(3);
set('x span',xs);
set('y span',ys);
set('z span',zs);
}
else {
set('mesh accuracy',mesh_accuracy);
}
}
}
##
function mx_mode_source(name,coord,span,s_dir,theta,bend,mode_idx,wl){
addmode;
set('name',name);
set('injection axis',abs(s_dir));
set('direction',1.5-sign(s_dir)/2);
x = coord(1);
y = coord(2);
z = coord(3);
set('x',x);
set('y',y);
set('z',z);
xs = span(1)*((abs(s_dir))~=1);
ys = span(2)*((abs(s_dir))~=2);
zs = span(3)*((abs(s_dir))~=3);
if (xs>0) {
set('x span',xs);
}
if (ys>0) {
set('y span',ys);
}
if (zs>0) {
set('z span',zs);
}
if (bend(1)>0){
set('bent waveguide',1);
set('bend orientation',bend(2));
set('bend radius',bend(1));
}
else{
set('bent waveguide',0);
}
set('theta',theta);
set('theta',theta);
set('mode selection','user select');
set('wavelength start',wl(1));
set('wavelength stop',wl(2));
updatesourcemode(mode_idx);
}
##
function mx_mode_expansion(name,coord,span,m_dir,theta,bend,mode_idx,wl,monitor_name){
addmodeexpansion;
set('name',name);
set('monitor type',abs(m_dir));
x = coord(1);
y = coord(2);
z = coord(3);
set('x',x);
set('y',y);
set('z',z);
xs = span(1)*((abs(m_dir))~=1);
ys = span(2)*((abs(m_dir))~=2);
zs = span(3)*((abs(m_dir))~=3);
if (xs>0) {
set('x span',xs);
}
if (ys>0) {
set('y span',ys);
}
if (zs>0) {
set('z span',zs);
}
if (bend(1)>0){
set('bent waveguide',1);
set('bend orientation',bend(2));
set('bend radius',bend(1));
}
else{
set('bent waveguide',0);
}
set('theta',theta);
set('mode selection','user select');
updatemodes(mode_idx);
setexpansion('input',monitor_name);
}