MITSUBISHI (OPTICAL DEVICES)
FU-627SLD-F1M54
1.55
m
m LD MODULE WITH SINGLEMODE FIBER PIGTAIL
DESCRIPTION
Mod ule type FU-627SLD-F1M54 has been developed
for co upling a singlemode optical fiber and a 1.55
m
m
wavelength InGaAsP LD (Laser diode).
FU-627SLD-F1M54 is su itable to light source for
measuring instruments(especially,OTDR).
FEATURES
High optical output power
Emission wavelength is in 1.55
m
m band
MQW* active layer
FSBH** structure fabricated by all MOCVD
process
*Multiple quantum well
**Facet selective-growth buried heterostructure
APPLICATION
OTDR
ABSOLUTE MAXIMUM RATINGS (Tc=25
C)
Parameter
Symbol
Conditions
Rating
Unit
Laser diode
Reverse voltage
Vrl
-
2
V
Forward current
Ifl
Pulse(Note 1)
300
mA
Photodiode
for monitoring
Reverse voltage
Vrd
-
15
V
Forward current
Ifd
-
2
mW
Operating case temperature
Tc
-
0~+60
C
Storage temperature
Tstg
-
-40~+70
C
Note 1. Pulse condition : Pulse width
10
m
s,Duty ratio
1%
MITSUBISHI (OPTICAL DEVICES)
FU-627SLD-F1M54
1.55
m
m LD MODULE WITH SINGLEMODE FIBER PIGTAIL
ELECTRICAL/OPTICAL CHARACTERISTICS
Parameter
Symbol
Test Conditions
Limits
Unit
(Note 2)
Min.
Typ.
Max.
Threshold current
Ithp
Pulse(Note 1),Tc=25
C
-
10
30
mA
Operating current
Iopp
Pulse(Note 1),Tc=25
C
-
250
280
mA
Operating Voltage
Vopp
Pulse(Note 1),If=Iopp,
Tc=25
C
-
-
3.5
V
Optical output power from fiber
end
Pfp
Pulse(Note 1),If=Iopp,
Tc=25
C
15
-
-
mW
Pulse(Note 1),If=Iopp,
Tc=60
C
7.5
-
-
Output power variation over
temperature
D
Pfp
Pulse(Note 1),If=Iopp,
Tc=0~60
C
-3
-
-3
dB
Center wavelength
l
cp
Pulse(Note 1),If=Iopp,
Tc=25
C
1530
1550
1570
nm
(Note 4)
Pulse(Note 1),If=Iopp,
Tc=0~60
C
1514
-
1595
Spectral width(RMS)
(Note 4)
Dl
p
Pulse(Note 1),If=Iopp,
Tc=25
C
-
-
10
nm
Pulse droop
(Note 5)
D
Pf
Pulse(Note 1),If=Iopp,
Tc=25
C
-
-
20
%
Rise and fall times
tr,tf
Ib=Ith,10~90%(Note 3)
,Tc=25
C
-
0.5
2
ns
Note 1. Pulse condition : Pulse width
10
m
s,Duty ratio
1%
Note 2. If : Forward current(LD)
Note 3. Ib : Bias current(LD)
Note 4.
l
cp=(
S
ai
*l
i)/
S
ai
Dl
p=((
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
Pf
t
Pf1
Pf2
10
m
s
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