ring_pulse2.ind

用专业的Rsoft软件 模拟了两直波导与环形波导的耦合情况

Gap = 0.2
L = 0.5
R = 1.7
R1 = R-width/2
R2 = R+width/2
alpha = 0
background_index = 1
boundary_max = 2.7
boundary_min = -2.7
cad_aspectratio = 1
color_outline = 0
color_scale = posneg.scl
delta = 2
fdtd = 1
fdtd_excitation_type = 1
fdtd_fmonitor_output = 1
fdtd_monitor_time = fdtd_time_step
fdtd_ramp_time = lambda
fdtd_slice_time = fdtd_stop_time
fdtd_stop_time = 2^15*fdtd_time_step
fdtd_time_step = 0.0135
fdtd_tmonitor_output = 1
fdtd_update_time = 10*fdtd_time_step
free_space_wavelength = 1.977
grid_size = 0.02
height = 0
index_display_mode = DISPLAY_CONTOURMAPXZ
k0 = (2*pi)/free_space_wavelength
lambda = free_space_wavelength
profile_type = PROF_STEPINDEX
sim_tool = ST_FULLWAVE
slice_step_size = 0.02
step_size = 0.02
width = 0.2


lens 1
	rfront = R2
	rback = -R2
	begin.x = 0
	begin.z = 0
	begin.width = 2*R2
end lens

lens 2
	priority = 1
	color = 14
	background_index = background_index+delta
	rfront = R1
	rback = -R1
	begin.x = 0
	begin.z = 0
	begin.width = 2*R1
	begin.delta = 0
end lens

segment 3
	begin.x = R2+Gap+width/2
	begin.z = -R2-L
	end.x = 0 rel begin segment 3
	end.z = 2*(R2+L) rel begin segment 3
end segment

segment 4
	begin.x = -R2-Gap-width/2
	begin.z = -R2-L
	end.x = 0 rel begin segment 4
	end.z = 2*(R2+L) rel begin segment 4
end segment

time_monitor 5
	profile_type = PROF_INACTIVE
	color = 2
	type = TIMEMON_OVERLAP
	timeaverage = 2
	begin.x = 0 rel end segment 4
	begin.z = -0.5 rel end segment 4
end time_monitor

time_monitor 6
	profile_type = PROF_INACTIVE
	color = 2
	type = TIMEMON_OVERLAP
	timeaverage = 2
	begin.x = 0 rel begin segment 3
	begin.z = 0.5 rel begin segment 3
end time_monitor


pathway 1
	4
end pathway