MITSUBISHI (OPTICAL DEVICES)
FU-68PDF-V520MxxB
1.55
mm
DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
DESCRIPTION
Mod ule type FU-68PDF-V520MxxB is a 1.55
m
m DFB-
LD module with polarization maintaining optical fiber.
Th is module is suitable to a CW light source for
external modulator for use in 2.5Gb/s and 10Gb/s
digital optical communication systems.
Th is module is pre pared in accordance with ITU-T
reco mmend ation wavelength channel plan for Dense-
WDM transmission.
FEATURES
Multi qu antum wells (MQW) DFB Laser Diode
module
Input impedance is 25W
Emission wavelength is in 1.55mm band
Polarization maintaining optical fiber pig-tail
Built-in optical isolator
Built-in thermal electric cooler
Butterfly package
With photodiode for optical output monitor
APPLICATION
High speed transmission systems (~10Gb/s)
Dense-WDM systems
ABSOLUTE MAXIMUM RATINGS
(Tld=Tset)
Parameter
Symbol
Laser diode
Optical output
Pf
power
Forward current
If
Reverse voltage
Vrl
Photodiode
Reverse voltage
Vrd
Forward current
Ifd
Thermo-
Cooler current
Ipe
electric co oler Cooler voltage
Vpe
(Note)
Operating case temperature
Tc
Storage temperature
Tstg
Conditions
CW
CW
Rating
24
150
2
20
2
1.3
3.1
-20 ~ 70
-40 ~ 85
Unit
mW
mA
V
V
mA
A
V
°C
°C
Note) Even if the thermo-electric cooler (TEC) is operated within the rated conditions, uncontrolled current loading
or operation without heatsink may easily damage the module by exceeding the storage temperature range.
Thermistor resistance should be properly monitored by the feedback circuit during TEC operation to avoid
the catastrophic damage.
MITSUBISHI (OPTICAL DEVICES)
FU-68PDF-V520MxxB
1.55
mm
DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
ELECTRICAL/OPTICAL CHARACTERISTICS
(Tld=Tset, Tc=25°C unless otherwise noted)
Parameter
Threshold current
Operating current
Operating voltage
Input impedance
Light-emission central
wavelength
Central wavelength drift with
case temp.
Laser operating temperature
Spectral line width
Side mode suppression ratio
Cutoff frequency
(-1.5dB optical)
Polarization extinction ratio
Relative intensity noise
Tracking error
(Note 2)
Differential efficiency
Monitor current
Optical isolation
Dark current (PD)
Symbol
Ith
Iop
Vop
Zin
lc
Dlc/DTc
Tset
Df
Sr
fc
Ex
Nr
Er
h
Imon
Iso
Id
Test Conditions
CW
CW, Pf=20mW
CW, Pf=20mW
Pf=20mW
CW, Pf=20mW
Tc=-20~70°C
-
CW, Pf=20mW
CW, Pf=20mW
Pf=20mW
CW, Pf=20mW
CW, Pf=20mW,
0.5~3GHz
Tc=-20~70°C,
APC, ATC
CW, Pf=20mW
CW, Pf=20mW, Vrd=5V
Tc=25°C
Tc=-20~70°C
Vrd=5V, Tc=-20~70°C
Vrd=5V, f=1MHz
-1
15
-
33
2
20
-
-
0.15
0.2
35
23
-
-
Min.
-
-
-
-
Limits
Typ.
10
-
-
25
(Note 1)
-
-
-
40
-
25
-155
-
-
-
-
-
-
-
0
35
20
-
-
-
-145
0.5
-
4
-
-
0.1
10
Unit
Max.
25
130
2
-
mA
mA
V
W
nm
pm/°C
°C
MHz
dB
GHz
dB
dB/Hz
dB
mW/
mA
mA
dB
mA
pF
Capacitance (PD)
Ct
Note 1) See Table 1.
Note 2) Er=max|10´log(Pf / Pf@25°C)|
MITSUBISHI (OPTICAL DEVICES)
FU-68PDF-V520MxxB
1.55
mm
DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
THERMAL CHARACTERISTICS
(Tld=Tset, Tc=-20~70°C)
Parameter
Symbol
Test Conditions
Thermistor resistance
B constant of Rth
Cooling capacity
Cooler current
Rth
B
DT
Ipe
Tld=25
-
Pf=20mW, Tc=70°C
Pf=20mW, Tc=65°C,
Tld=Tset
Pf=20mW, Tc=70°C,
Tld=Tset
Pf=20mW, Tc=65°C,
Tld=Tset
Pf=20mW, Tc=70°C,
Tld=Tset
Min.
9.5
-
55
-
-
-
-
Limits
Typ.
10
3950
-
0.7
0.9
1.4
2
Unit
Max.
10.5
-
-
1
1.2
2.3
2.6
kW
K
°C
A
A
V
V
Cooler voltage
Vpe
FIBER PIGTAIL SPECIFICATIONS
Parameter
Type
Mode field diameter
Cladding diameter
Secondary coating outer diameter
Polarization axis
Connector
Optical return loss of connector
Note 3) PMF - Sumitomo Panda fiber (PM-155)
Limits
PM (Note 3)
11 1
125 3
0.9 0.1
slow axis
FC/PC
40 (min)
Unit
-
mm
mm
mm
-
-
dB
DOCUMENTATION
(Tld=Tset)
Fiber output power vs. Laser forward current at Tld=Tset and Tc=-20,25,70°C
Threshold current (Ith)
Laser forward current (Iop) at Pf=20mW
Laser forward voltage (Vop) at Pf=20mW
Laser operating temperature (Tset) at
lc
(Note 4)
Monitor current (Imon) at Pf=20mW
Thermistor resistance (Rth)
Cooler current (Ipe) at Pf=20mW and Tc=70°C
Cooler voltage (Vpe) at Pf=20mW and Tc=70°C
Note 4) Tset is attached as a reference data. Rth should be used in order to tune the wavelength to the specified
value accurately.
MITSUBISHI (OPTICAL DEVICES)
FU-68PDF-V520MxxB
1.55
mm
DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
Table 1.
Type number
Type number
lc
(nm)
FU-68PDF-520M9B
1529.55
FU-68PDF-520M39B
FU-68PDF-520M10B
1529.94
FU-68PDF-520M40B
FU-68PDF-520M11B
1530.33
FU-68PDF-520M41B
FU-68PDF-520M12B
1530.72
FU-68PDF-520M42B
FU-68PDF-520M13B
1531.12
FU-68PDF-520M43B
FU-68PDF-520M14B
1531.51
FU-68PDF-520M44B
FU-68PDF-520M15B
1531.90
FU-68PDF-520M45B
FU-68PDF-520M16B
1532.29
FU-68PDF-520M46B
FU-68PDF-520M17B
1532.68
FU-68PDF-520M47B
FU-68PDF-520M18B
1533.07
FU-68PDF-520M48B
FU-68PDF-520M19B
1533.47
FU-68PDF-520M49B
FU-68PDF-520M20B
1533.86
FU-68PDF-520M50B
FU-68PDF-520M21B
1534.25
FU-68PDF-520M51B
FU-68PDF-520M22B
1534.64
FU-68PDF-520M52B
FU-68PDF-520M23B
1535.04
FU-68PDF-520M53B
FU-68PDF-520M24B
1535.43
FU-68PDF-520M54B
FU-68PDF-520M25B
1535.82
FU-68PDF-520M55B
FU-68PDF-520M26B
1536.22
FU-68PDF-520M56B
FU-68PDF-520M27B
1536.61
FU-68PDF-520M57B
FU-68PDF-520M28B
1537.00
FU-68PDF-520M58B
FU-68PDF-520M29B
1537.40
FU-68PDF-520M59B
FU-68PDF-520M30B
1537.79
FU-68PDF-520M60B
FU-68PDF-520M31B
1538.19
FU-68PDF-520M61B
FU-68PDF-520M32B
1538.58
FU-68PDF-520M62B
FU-68PDF-520M33B
1538.98
FU-68PDF-520M63B
FU-68PDF-520M34B
1539.37
FU-68PDF-520M64B
FU-68PDF-520M35B
1539.77
FU-68PDF-520M65B
FU-68PDF-520M36B
1540.16
FU-68PDF-520M66B
FU-68PDF-520M37B
1540.56
FU-68PDF-520M67B
FU-68PDF-520M38B
1540.95
FU-68PDF-520M68B
All wavelengths are referred to vacuum.
Tolerance is
lc
0.05nm.
lc
(nm)
1541.35
1541.75
1542.14
1542.54
1542.94
1543.33
1543.73
1544.13
1544.53
1544.92
1545.32
1545.72
1546.12
1546.52
1546.92
1547.32
1547.72
1548.11
1548.51
1548.91
1549.32
1549.72
1550.12
1550.52
1550.92
1551.32
1551.72
1552.12
1552.52
1552.93
Type number
FU-68PDF-520M69B
FU-68PDF-520M70B
FU-68PDF-520M71B
FU-68PDF-520M72B
FU-68PDF-520M73B
FU-68PDF-520M74B
FU-68PDF-520M75B
FU-68PDF-520M76B
FU-68PDF-520M77B
FU-68PDF-520M78B
FU-68PDF-520M79B
FU-68PDF-520M80B
FU-68PDF-520M81B
FU-68PDF-520M82B
FU-68PDF-520M83B
FU-68PDF-520M84B
FU-68PDF-520M85B
FU-68PDF-520M86B
FU-68PDF-520M87B
FU-68PDF-520M88B
FU-68PDF-520M89B
FU-68PDF-520M90B
FU-68PDF-520M91B
FU-68PDF-520M92B
FU-68PDF-520M93B
FU-68PDF-520M94B
FU-68PDF-520M95B
FU-68PDF-520M96B
FU-68PDF-520M97B
lc
(nm)
1553.33
1553.73
1554.13
1554.54
1554.94
1555.34
1555.75
1556.15
1556.55
1556.96
1557.36
1557.77
1558.17
1558.58
1558.98
1559.39
1559.79
1560.20
1560.61
1561.01
1561.42
1561.83
1562.23
1562.64
1563.05
1563.45
1563.86
1564.27
1564.68
MITSUBISHI (OPTICAL DEVICES)
FU-68PDF-V520MxxB
1.55
mm
DFB-LD MODULE WITH POLARIZATION MAINTAINING FIBER PIGTAIL
(WAVELENGTH SELECTED, BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)
OUTLINE DIAGRAM
(Unit : mm)
28.4
FU-68PDF-V520MxxB
Analog electronics
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