MITSUBISHI (OPTICAL DEVICES)
FU-423SLD-F3M31
1.3
m
m LD MODULE WITH SINGLEMODE FIBER PIGTAIL
DESCRIPTION
Mod ule type FU-423SLD-F3M31 has been developed
for co upling a singlemode optical fiber and a 1.3
m
m
wavelength InGaAsP LD (Laser diode).
FU-423SLD-F3M31 is su itable to light source for high-
speed short haul and long haul digital optical
communication systems.
FEATURES
High-speed response
Emission wavelength is in 1.3
m
m band
Low threshold current (7mA typ.)
With photodiode for optical output monitor
MQW* active layer
FSBH** structure fabricated by all MOCVD
process
*Multiple quantum well
**Facet selective-growth buried heterostructure
APPLICATION
Trunk Line,FitL
ABSOLUTE MAXIMUM RATINGS (Tc=25
C)
Parameter
Symbol
Conditions
Rating
Unit
Laser diode
Optical
output
power fro m fiber
end
Pf
CW
Tc=-40~85
C
0.4
mW
Reverse voltage
Vrl
-
2
V
Photodiode
for monitoring
Reverse voltage
Vrd
-
20
V
Forward current
Ifd
-
2
mA
Operating case temperature
Tc
-
-40~+85
C
Storage temperature
Tstg
-
-40~+85
C
MITSUBISHI (OPTICAL DEVICES)
FU-423SLD-F3M31
1.3
m
m LD MODULE WITH SINGLEMODE FIBER PIGTAIL
ELECTRICAL/OPTICAL CHARACTERISTICS
Parameter
Symbol
Test Conditions
Limits
Unit
Min.
Typ.
Max.
Threshold current
Ith
CW,Tc=25
C
3
6
10
mA
CW,Tc=-40~85
C
1
-
35
Modulation current
Imod
CW,Pf=0.2mW,
Tc=25
C
5
6
15
mA
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=-40~85
C
4
-
35
Operating Voltage
Vop
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=-40~85
C
0.8
-
1.5
V
Threshold power
Pfth
CW,If=Ith,Tc=-40~85
C
(Note1)
-
-
10
m
W
dPf/dIf linearity
h
l
CW,APC,Pf=0.04~0.2mW
-25
-
25
%
Center wavelength
l
c
CW,Pf=0.2mW,
Tc=25
C
1290
-
1330
nm
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=-40~85
C
1260
-
1360
Spectral width(RMS)
(Note 3)
Dl
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=-40~85
C
-
-
2.5
nm
Rise and fall times
tr,tf
Ib=Ith,Pfpeak=0.2mW,
10~90%,Tc=25
C
-
0.3
0.5
ns
Tracking error (Note2)
Er
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=0~70
C
0
0.4
1
dB
CW,APC,
Imon(Pf(25
C)=0.2mW),
Tc=-40~85
C
0
0.5
1.2
Monitor current
Imon
CW,Vrd=3V,Pf=0.2mW
0.08
0.5
1
mA
Dark current (Photodiode)
Id
Vrd=3V
-
0.1
0.5
m
A
Capacitance (Photodiode)
Ct
Vrd=3V,f=1MHz
-
-
15
pF
Note 1. If is ward current of LD.
2. Er=MAX|10
log(Pf(Tc)/Pf(25
C))|
3.
Dl
=((
S
ai
*
(
l
i-
l
c)
2
)/
S
ai)
1/2
Where ai
ap
0.01
ai:Relative intensty of laser spectral emission modes
ap:Peak of laser spectral emission modes
OPTICAL FIBER SPECIFICATION
Parameter
Limits
Unit
Type
SM
-
Mode filed dia.
9.5
1
m
m
Cladding dia.
125
2
m
m
Jacket dia.
0.9 typ.
mm
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