Data Sheet
FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s
Directly Modulated DFB Laser Module
Date February 16, 20054 ODC-2S001E
10mW 1550nm 2.5Gbit/s Directly Modulated DFB Laser Module
Applications
•
OC-48/STM-16 DWDM Transmission Systems
Features
•
Low Driving Current, High Slope Efficiency
•
High Side Mode Suppression Ratio
•
Selected Wavelength According to ITU-T Grid (See
Table.1)
•
50GHz Spacing Available
Descriptions
FOL15DDBA series of DFB laser module is designed for DWDM applications with 2.5Gbit/s
direct modulation. The module is housed in an industry standard hermetically sealed 14-pin
butterfly package, which contains optical isolator, thermoelectric cooler, power monitor
photodiode. Precise wavelength selection is available according to ITU-T grid with 50 GHz
spaced wavelength allocation.
Absolute Maximum Ratings
Parameter
Storage Temperature
Operating Case Temperature
LD Reverse Voltage
LD Forward Current
PD Reverse Voltage
PD Forward Current
TEC Current
TEC Voltage
Sym
Tstg
Tc
V
rLD
I
fLD
V
rPD
I
fPD
Itec
Vtec
Min
-40
-5
-
-
-
-
-
-
Max
85
70
2
200
20
5
1.6
2.6
Unit
°C
°C
V
mA
V
mA
A
V
Conditions
-
-
-
-
-
-
-
-
1/1
Data Sheet
FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s
Directly Modulated DFB Laser Module
Date November 30, 20043 ODC-2S001D
Optical Characteristics
(TLD=Tset, Tc=25°C, unless otherwise specified)
Parameter
Optical Output Power
LD Forward Current
Submount Temperature
LD Forward Voltage
Threshold Current
Slope Efficiency
Input Impedance
Wavelength
Sym
Pf
If
-
Tset
Vf
I
th
η
Zin
λ
20
-
-
0.10
-
λ
ITU
-0.1
-
-
-
10
0.20
25
130
35
1.8
20
0.35
-
Min
10
-
Typ
-
-
Max
-
120
Unit Conditions
mW CW
1527.22nm~1563.86nm,
mA
Pf=10mW,CW,BOL*
1
1564.27nm~1610.06nm,
mA
Pf=10mW,CW,BOL*
1
°C Pf=5mW,CW
V
Pf=10mW,CW
mA BOL
W/A Pf=10mW,CW
Ω
nm
Pf=5mW,CW,
λ=1527.22~1610.06,See
Table.1
Spectral Width (-20dB fullwidth)
-
-
0.4
nm <Pf>=5mW*
2
,2.5Gb/s NRZ
∆λ
Side Mode Suppression Ratio
SMSR
35
45
-
dB Pf=5mW,CW
<Pf>=5mW,2.5Gb/s NRZ,
Dispersion Penalty
DP
-
-
2
dB 1800ps/nm(100km) or
2880ps/nm(160km)
Cut off Frequency
fc
2
-
-
GHz <Pf>=5mW, -1.5dB Optical
Rise and Fall Time (10-90%)
tr, tf
-
-
150
ps <Pf>=5mW,2.5Gb/s NRZ
Optical Isolation
Iso
25
-
-
dB
Pf=5mW,CW
Relative Intensity Noise
RIN
-
-
-145
dB/Hz O
pRL
<-25dB*
3
,
100MHz<f<2.5GHz
Monitor Current
Im
0.05
-
1
mA Pf=5mW,CW, V
rPD
=5V
Monitor Dark Current
Id
-
-
100
nA V
rPD
=5V
Tracking Error
TE
-0.5
-
0.5
dB Im=constant, Tc = -5 to 70°C
TEC Current
Itec
-
-
1.2
A
Tc=70°C,Pf=5mW,CW
TEC Voltage
Vtec
-
-
2.4
V
Tc=70°C,Pf=5mW,CW
Thermistor B constant
B
-
3900
-
K
Thermistor Resistance
R
9.5
-
10.5
kΩ Tset=25°C
1
2
3
* BOL : Beginning of Life * <Pf> : Average Power * O
pRL
: Optical Return Loss
λ
ITU
λ
ITU
+0.1
Optical Fiber Pigtail Specifications
Parameter
Fiber Type
Nominal Fiber Length
Connector Type
Specification
Corning SMF-28 or equivalent
Flame Retardant Hytrel Coating 0.9mmφ
Min. 1,000
(Boot edge (fiber side) to connector edge)
SC/SPC Connector
Unit
-
mm
-
2/2
Data Sheet
FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated
DFB Laser Module
Date February 16, 20054 ODC-2S001E
Dimensions and Pin Assignments
7
6
5
4
3
2
1
L1
180nH
TEC
TH
10kΩ
PIN No.
1
2
3
4
5
Object
Thermistor
Thermistor
LD Cathode(-)
Monitor Anode(-)
Monitor Cathode(+)
TEC(+)
TEC(-)
PIN No.
8
9
10
11
12
13
14
Object
Case Ground
Case Ground
No Connect
Laser Anode(+),
Case Ground
Laser RF
Laser Anode(+),
Case Ground
No Connect
CASE
R1
20Ω
6
7
8
9
10
11
12
13
14
3/3
Data Sheet
FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated
DFB Laser Module
Date February 16, 20054 ODC-2S001E
Table 1
λ
[nm]
1527.22
1527.61
1527.99
1528.38
1528.77
1529.16
1529.55
1529.94
1530.33
1530.73
1531.12
1531.51
1531.90
1532.29
1532.68
1533.07
1533.47
1533.86
1534.25
1534.64
1535.04
1535.43
1535.82
1536.22
1536.61
1537.00
1537.40
1537.79
1538.19
1538.58
1538.98
1539.37
1539.77
1540.16
1540.56
1540.95
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
IT U Freq.
[T Hz]
196.30
196.25
196.20
196.15
196.10
196.05
196.00
195.95
195.90
195.85
195.80
195.75
195.70
195.65
195.60
195.55
195.50
195.45
195.40
195.35
195.30
195.25
195.20
195.15
195.10
195.05
195.00
194.95
194.90
194.85
194.80
194.75
194.70
194.65
194.60
194.55
194.50
194.45
194.40
194.35
194.30
194.25
194.20
194.15
194.10
194.05
194.00
193.95
193.90
193.85
193.80
λ
Code
19630
19625
19620
19615
19610
19605
19600
19595
19590
19585
19580
19575
19570
19565
19560
19555
19550
19545
19540
19535
19530
19525
19520
19515
19510
19505
19500
19495
19490
19485
19480
19475
19470
19465
19460
19455
19450
19445
19440
19435
19430
19425
19420
19415
19410
19405
19400
19395
19390
19385
19380
λ
[nm]
1547.32
1547.72
1548.12
1548.52
1548.92
1549.32
1549.72
1550.12
1550.52
1550.92
1551.32
1551.72
1552.12
1552.52
1552.93
1553.33
1553.73
1554.13
1554.54
1554.94
1555.34
1555.75
1556.15
1556.56
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
1563.46
1563.86
1564.27
1564.68
1565.09
1565.50
1565.91
1566.31
1566.72
1567.13
1567.54
IT U Freq.
[T Hz]
193.75
193.70
193.65
193.60
193.55
193.50
193.45
193.40
193.35
193.30
193.25
193.20
193.15
193.10
193.05
193.00
192.95
192.90
192.85
192.80
192.75
192.70
192.65
192.60
192.55
192.50
192.45
192.40
192.35
192.30
192.25
192.20
192.15
192.10
192.05
192.00
191.95
191.90
191.85
191.80
191.75
191.70
191.65
191.60
191.55
191.50
191.45
191.40
191.35
191.30
191.25
λ
Code
19375
19370
19365
19360
19355
19350
19345
19340
19335
19330
19325
19320
19315
19310
19305
19300
19295
19290
19285
19280
19275
19270
19265
19260
19255
19250
19245
19240
19235
19230
19225
19220
19215
19210
19205
19200
19195
19190
19185
19180
19175
19170
19165
19160
19155
19150
19145
19140
19135
19130
19125
λ
[nm]
1567.95
1568.36
1568.77
1569.18
1569.59
1570.01
1570.42
1570.83
1571.24
1571.65
1572.06
1572.48
1572.89
1573.30
1573.71
1574.13
1574.54
1574.95
1575.37
1575.78
1576.20
1576.61
1577.03
1577.44
1577.86
1578.27
1578.69
1579.10
1579.52
1579.93
1580.35
1580.77
1581.18
1581.60
1582.02
1582.44
1582.85
1583.27
1583.69
1584.11
1584.53
1584.95
1585.37
1585.78
1586.20
1586.62
1587.04
1587.46
1587.88
1588.30
1588.73
IT U Freq.
[T Hz]
191.20
191.15
191.10
191.05
191.00
190.95
190.90
190.85
190.80
190.75
190.70
190.65
190.60
190.55
190.50
190.45
190.40
190.35
190.30
190.25
190.20
190.15
190.10
190.05
190.00
189.95
189.90
189.85
189.80
189.75
189.70
189.65
189.60
189.55
189.50
189.45
189.40
189.35
189.30
189.25
189.20
189.15
189.10
189.05
189.00
188.95
188.90
188.85
188.80
188.75
188.70
λ
Code
19120
19115
19110
19105
19100
19095
19090
19085
19080
19075
19070
19065
19060
19055
19050
19045
19040
19035
19030
19025
19020
19015
19010
19005
19000
18995
18990
18985
18980
18975
18970
18965
18960
18955
18950
18945
18940
18935
18930
18925
18920
18915
18910
18905
18900
18895
18890
18885
18880
18875
18870
λ
[nm]
1589.15
1589.57
1589.99
1590.41
1590.83
1591.26
1591.68
1592.10
1592.52
1592.95
1593.37
1593.79
1594.22
1594.64
1595.07
1595.49
1595.91
1596.34
1596.76
1597.19
1597.62
1598.04
1598.47
1598.89
1599.32
1599.75
1600.17
1600.60
1601.03
1601.46
1601.88
1602.31
1602.74
1603.17
1603.60
1604.03
1604.46
1604.89
1605.31
1605.74
1606.17
1606.61
1607.04
1607.47
1607.90
1608.33
1608.76
1609.19
1609.62
1610.06
IT U Freq.
[T Hz]
188.65
188.60
188.55
188.50
188.45
188.40
188.35
188.30
188.25
188.20
188.15
188.10
188.05
188.00
187.95
187.90
187.85
187.80
187.75
187.70
187.65
187.60
187.55
187.50
187.45
187.40
187.35
187.30
187.25
187.20
187.15
187.10
187.05
187.00
186.95
186.90
186.85
186.80
186.75
186.70
186.65
186.60
186.55
186.50
186.45
186.40
186.35
186.30
186.25
186.20
λ
Code
18865
18860
18855
18850
18845
18840
18835
18830
18825
18820
18815
18810
18805
18800
18795
18790
18785
18780
18775
18770
18765
18760
18755
18750
18745
18740
18735
18730
18725
18720
18715
18710
18705
18700
18695
18690
18685
18680
18675
18670
18665
18660
18655
18650
18645
18640
18635
18630
18625
18620
Wavelength values are referenced to vacuum.
Wavelength (λ) and ITU frequency (f) have a relationship as
λ[nm]
= 299792458 / f[THz] /1000.
FITEL code is expressed as a 5 digit integer rounded from 100 x f [THz].
4/4
Data Sheet
FOL15DDBA-A31-*****-* / 10mW 1550nm 2.5Gbit/s Directly Modulated
DFB Laser Module
Date February 16, 20054 ODC-2S001E
Ordering Information
Safety Information
This product complies with 21 CFR 1040.10 and 1040.11,
Class 3b laser product. Invisible laser radiation is emitted
from the end of the fiber or connector. Avoid direct exposure
to the beam.
Furukawa Electric Co, Ltd., Furukawa America, Inc, and Furukawa Electric Europe, Ltd. reserve the right to change data
contained in this document in the interest of continued product improvement. The publication of this information does not imply
freedom from patent or any other rights of The Furukawa Electric Company, Ltd. or its affiliated companies.
All Rights Reserved, Copyright © THE FURUKAWA ELECTRIC CO., LTD
Headquarters
2
-
3
Marunouchi 2-chome
Chiyoda-ku Tokyo
100-8322 Japan
T: 81-3-3286-3253
F: 81-3-3286-3978
www.furukawa.co.jp
Furukawa Electric Europe, Ltd
3
rd
FL Newcombe House
43-45 Notting Hill Gate
London, W11 3FE
UK
T: 44-20-7221-6000
F: 44-20-7313-5310
www.furukawa-fitel.co.uk
sales@furukawa-fitel.co.uk
Furukawa America, Inc.
200 Westpark Drive,Suite 190
Peachtree City, GA 30269
T:770-487-1234
Toll-Free:1 - 8 6 6 - GO-FITEL( 4 6 3 - 4 8 3 5 )
F:770-487-9910
www.furukawaamerica.com
oesales@FurukawaAmerica.com
5/5
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