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Lucas Laplanche
EAM VCSEL
Commits
14921720
Commit
14921720
authored
Apr 20, 2021
by
Lucas Laplanche
Browse files
Refractive index corrected
parent
6db2e31e
Changes
2
Hide whitespace changes
Inline
Side-by-side
calculation.py
View file @
14921720
...
...
@@ -67,7 +67,7 @@ def mqw_psi(lz=0.01e-9, electric_field=0., wavelength=850e-9):
def
benchmark_refractive_index
():
al
=
np
.
array
([
0.0
,
0.2
,
0.4
,
0.6
,
0.8
,
1.0
])
wavelength
=
np
.
arange
(
500e-9
,
1500e-9
,
1
0
e-9
)
wavelength
=
np
.
arange
(
500e-9
,
1500e-9
,
1e-9
)
indices_array
=
np
.
empty
([
al
.
size
,
wavelength
.
size
])
for
x
in
range
(
al
.
size
):
...
...
optic.py
View file @
14921720
...
...
@@ -242,17 +242,17 @@ def afromovitz_varshni_real_algaas_refractive_index(al, wavelength):
e_g
=
(
1
-
al
)
*
1.424
+
al
*
3.02
-
al
*
(
1
-
al
)
*
0.37
# Varshni
alpha
=
5.405
+
4.038
*
al
*
1e-4
# [eV/K]
beta
=
204
/
370
*
(
370
+
54
*
al
+
22
*
al
**
2
)
# [K]
e_var
=
e_g
+
alpha
*
298
**
2
/
(
298
+
beta
)
-
(
alpha
*
T
**
2
)
/
(
T
+
beta
)
# [eV?]
alpha
=
(
5.405
+
4.038
*
al
)
*
1e-4
# [eV/K]
beta
=
204
.
/
370
.
*
(
370
.
+
54
.
*
al
+
22
.
*
al
**
2
)
# [K]
e_var
=
e_g
+
alpha
*
298
.
**
2
/
(
298
.
+
beta
)
-
(
alpha
*
T
**
2
)
/
(
T
+
beta
)
# [eV?]
# Afromovitz
energy
=
e
+
1j
*
1e-2
n
=
1
+
e_d
/
e_1
n
=
1
.
+
e_d
/
e_1
n
+=
(
e_d
/
(
e_1
**
3
))
*
energy
**
2
n_l
=
(
e_d
/
(
2
*
e_1
**
3
*
(
e_1
**
2
-
e_var
**
2
)))
*
energy
**
4
n_l
*=
np
.
log
((
2
*
e_1
**
2
-
e_var
**
2
-
energy
**
2
)
/
(
e_var
**
2
-
energy
**
2
))
n_l
=
(
e_d
/
(
2
.
*
e_1
**
3
*
(
e_1
**
2
-
e_var
**
2
)))
*
energy
**
4
n_l
*=
np
.
log
((
2
.
*
e_1
**
2
-
e_var
**
2
-
energy
**
2
)
/
(
e_var
**
2
-
energy
**
2
))
n
+=
n_l
n
=
np
.
real
(
np
.
sqrt
(
n
))
...
...
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