
174 Optical Fiber Communication Systems with MATLAB
®
and Simulink
®
Models
S
qV N a v I a v
qV a v
a g p n bias g p
a n g C
( )
( )
(
0
1 1
0 0 0
0
=
− +
+
− −
β τ τ τ
τ ε β
Γ Γ
11)
(5.47)
Thus,
the
initial
state
S(0)
for
continuous
state
is
given
by
(5.47).
Refer
Appendix
2
for
detailed
d
erivations.
5.2.4.3 The
E
ffect
o
f
R
ate
E
quation
P
arameters
o
n
t
he
L
aser
R
esponse
The
response
of
the
laser
power
output
is
governed
by
the
parameters
in
the
photon
rate
equation
stated
in
(5.2)
and
the
modulation
current
stated
in
(5.28)
and
(5.29).
Each
param-
eter
has
a
signicant
representation
about
the
physical
structure
of
a
semiconductor
laser,
which
w
ould
a
ffec