1.55 mm LD MODULE WITH SINGLEMODE FIBER PIGTAIL
DESCRIPTION
Module t ype FU-627SLD -F1 has been developed for
coupling a singlemode optical fiber and a 1.55
m
m wavelength In GaAsP LD (Laser diode).
FU-627SLD-F1 is suitable to light source for highspeed long haul digital optical communication
systems and measuring instruments.
FEATURES
High-speed response
Emission wavelength is in 1.55mm band
Low threshold current (10mA 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
MITSUBISHI (OPTICAL DEVICES)
FU-627SLD-F1
APPLICATION
Trunk Line,FitL
ABSOLUTE MAXIMUM RATINGS (Tc=25°C)
Parameter Symbol Conditions Rating Unit
Laser diode Optical output
power from fiber
end
Reverse voltage Vrl - 2 V
Photodiode
for monitoring
Operating case temperature Tc - -20~+75
Storage temperature Tstg - -40~+85
Reverse voltage Vrd - 15 V
Forward current Ifd - 2 mA
Pf CW 2.4 mW
°
C
°
C
MITSUBISHI (OPTICAL DEVICES)
FU-627SLD-F1
1.55 mm LD MODULE WITH SINGLEMODE FIBER PIGTAIL
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25°C, unless otherwise noted)
Parameter Symbol Test Conditions Limits Unit
Min. Typ. Max.
Threshold current Ith CW - 10 35 mA
Operating current Iop CW - 30 60 mA
Operating Voltage Vop CW,If=Iop (Note 1) - 1.2 1.7 V
Optical out put pow er f rom fiber
end
Center wavelength
Spectral bandwidth (RMS)
(Note 3)
Rise and fall times tr, tf Ib=Ith,10~90% (Note 2) - 0.3 1 ns
Tracking error (Note 4) Er
Differential efficiency
Monitor current Imon CW,If=Iop,Vrd=5V 0.1 0.6 - mA
Dark current (Photodiode) Id Vrd=5V - 0.1 0.5
Capacitance (Photodiode) Ct Vrd=5V,f=1MHz - - 20 pF
Note 1. If : Forward current (LD)
2. Ib : Bias current (LD)
3. Dl=((Sai*(li-lc)
Where ai³ap´0.01
ai:Relative intensty of laser spectral emission modes
ap:Peak of laser spectral emission modes
4. Er=MAX|10´log(Pf(Tc)/Pf(25°C))|
2
)/Sai)
Pf CW,If=Iop 1.0 1.5 - mW
l
c
Dl
h
1/2
CW,If=Iop 1520 1550 1580 nm
CW,If=Iop - 2 4 nm
Tc=0~75°C,APC
- - 0.075 - mW/m
- 0.4 1.5 dB
A
m
A
OPTICAL FIBER SPECIFICATION
Parameter Limits Unit
Type SM Mode filed dia.
Cladding dia.
Jacket dia. 0.9 typ. mm
9.5±1
125±2
m
m
m
m