FOL15DDB5-A31-19465-H - Furukawa Electric Company Ltd.

Data Sheet

FOL15DDB5-A31-*****-* / 5mW 1550nm 2.5Gbit/s

Directly Modulated DFB Laser Module

Date February 16, 2005 ODC-3S001C

1/1

5mW 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

FOL15DDB5 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 Sym Min Max Unit Conditions

Storage Temperature Tstg -40 85 °C -

Operating Case Temperature Tc -5 70 °C -

LD Reverse Voltage VrLD - 2 V -

LD Forwa rd Curren t IfLD - 130 mA -

PD Reverse Voltage VrPD - 20 V -

PD Forward Current IfPD - 5 mA -

TEC Current Itec - 1.6 A -

TEC Voltage Vtec - 2.6 V -

Data Sheet

FOL15DDB5-A31-*****-* / 5mW 1550nm 2.5Gbit/s

Directly Modulated DFB Laser Module

Date November 30, 20043 ODC-3S001B

2/2

Optical Characteristics (TLD=Tset, Tc=25°C, unless otherwise specified)

Parameter Sym Min Typ Max Unit Conditions

Optical Output Power Pf 5 - - mW CW

- - 70 mA

1527.22nm~1563.86nm,

Pf=5mW,CW,BOL*1

LD Forwa rd Curren t If - - 80 mA

1564.27nm~1610.06nm,

Pf=5mW,CW,BOL*1

Submount Temperature Tset 20 - 35 °C Pf=2.5mW,CW

LD Forward Voltage Vf - - 1.8 V Pf=5mW,CW

Threshold Current Ith - 10 20 mA BOL

Slope Efficiency η 0.14 0.20 0.35 W/A Pf=5mW,CW

Input Impedance Zin - 25 - Ω

Wavelength λ λITU-0.1 λITU λITU+0.1 nm Pf=2.5mW,CW,

λ=1527.22~1610.06,See Table.1

Spectral Width (-20dB fullwidth) ∆λ - - 0.4 nm <Pf>=2.5mW*2,2.5Gb/s NRZ

Side Mode Suppression Ratio SMSR 35 45 - dB Pf=5mW,CW

Dispersion Penalty DP - - 2 dB <Pf>=2.5mW,2.5Gb/s NRZ,

1800ps/nm(100km) or

2880ps/nm(160km)

Cut off Frequency fc 2 - - GHz <Pf>= 2 .5 mW, -1.5d B Optical

Rise and Fall Time (10-90%) tr, tf - - 150 ps <Pf>=2.5mW,2.5Gb/s NRZ

Optical Isolation Iso 25 - - dB

Relative Intensity Noise RIN - - -145 dB/Hz Pf=2.5mW,CW

OpRL<-25dB*3,

100MHz<f<2.5GHz

Monitor Current Im 0.03 - 1 mA Pf=2.5mW,CW, VrPD=5V

Monitor Dark Current Id - - 100 nA VrPD=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=2.5mW,CW

TEC Voltage Vtec - - 2.4 V Tc=70°C,Pf=2.5mW,CW

Thermistor B constant B - 3900 - K

Thermistor Resistance R 9.5 - 10.5 kΩ Tset=25°C

*1 BOL : Beginning of Life *2 <Pf> : Average Power *3 OpRL : Optical Return Loss

Optical Fiber Pigtail Specifications

Parameter Specification Unit

Fiber Type Corning SMF-28 or equivalent

Flame Retardant Hytrel Coating 0.9mmφ -

Nominal Fiber Length Min. 1,000

(Boot edge (fiber side) to connector edge) mm

Connector Type SC/SPC Connector -

Data Sheet

FOL15DDB5-A31-*****-* / 5mW 1550nm 2.5Gbit/s Directly Modulated

DFB Laser Module

Date February 16, 2005 ODC-3S001C

3/3

Dimensions and Pin Assignments

TEC

10kΩ

180nH

20Ω

14131211

CASE

PIN No. Object PIN No. Object

1 Thermistor 8 Case Ground

2 Thermistor 9 Case Ground

3 LD Cathode(-) 10 No Connect

4 Monitor Anode(-) 11 Laser Anode(+),

Case Ground

5 Monitor Cathode(+) 12 Laser RF

6 TEC(+) 13

Laser Anode(+),

Case Ground

7 TEC(-) 14 No Connect

Data Sheet

FOL15DDB5-A31-*****-* / 5mW 1550nm 2.5Gbit/s Directly Modulated

DFB Laser Module

Date February 16, 2005 ODC-3S001C

4/4

Table 1

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].

λ [nm] ITU Freq.

[THz] λ Code λ [nm] ITU Freq.

[THz] λ Code

1527.22 196.30 19630 1547.32 193.75 19375 1567.95 191.20 19120 1589.15 188.65 18865

1527.61 196.25 19625 1547.72 193.70 19370 1568.36 191.15 19115 1589.57 188.60 18860

1527.99 196.20 19620 1548.12 193.65 19365 1568.77 191.10 19110 1589.99 188.55 18855

1528.38 196.15 19615 1548.52 193.60 19360 1569.18 191.05 19105 1590.41 188.50 18850

1528.77 196.10 19610 1548.92 193.55 19355 1569.59 191.00 19100 1590.83 188.45 18845

1529.16 196.05 19605 1549.32 193.50 19350 1570.01 190.95 19095 1591.26 188.40 18840

1529.55 196.00 19600 1549.72 193.45 19345 1570.42 190.90 19090 1591.68 188.35 18835

1529.94 195.95 19595 1550.12 193.40 19340 1570.83 190.85 19085 1592.10 188.30 18830

1530.33 195.90 19590 1550.52 193.35 19335 1571.24 190.80 19080 1592.52 188.25 18825

1530.73 195.85 19585 1550.92 193.30 19330 1571.65 190.75 19075 1592.95 188.20 18820

1531.12 195.80 19580 1551.32 193.25 19325 1572.06 190.70 19070 1593.37 188.15 18815

1531.51 195.75 19575 1551.72 193.20 19320 1572.48 190.65 19065 1593.79 188.10 18810

1531.90 195.70 19570 1552.12 193.15 19315 1572.89 190.60 19060 1594.22 188.05 18805

1532.29 195.65 19565 1552.52 193.10 19310 1573.30 190.55 19055 1594.64 188.00 18800

1532.68 195.60 19560 1552.93 193.05 19305 1573.71 190.50 19050 1595.07 187.95 18795

1533.07 195.55 19555 1553.33 193.00 19300 1574.13 190.45 19045 1595.49 187.90 18790

1533.47 195.50 19550 1553.73 192.95 19295 1574.54 190.40 19040 1595.91 187.85 18785

1533.86 195.45 19545 1554.13 192.90 19290 1574.95 190.35 19035 1596.34 187.80 18780

1534.25 195.40 19540 1554.54 192.85 19285 1575.37 190.30 19030 1596.76 187.75 18775

1534.64 195.35 19535 1554.94 192.80 19280 1575.78 190.25 19025 1597.19 187.70 18770

1535.04 195.30 19530 1555.34 192.75 19275 1576.20 190.20 19020 1597.62 187.65 18765

1535.43 195.25 19525 1555.75 192.70 19270 1576.61 190.15 19015 1598.04 187.60 18760

1535.82 195.20 19520 1556.15 192.65 19265 1577.03 190.10 19010 1598.47 187.55 18755

1536.22 195.15 19515 1556.56 192.60 19260 1577.44 190.05 19005 1598.89 187.50 18750

1536.61 195.10 19510 1556.96 192.55 19255 1577.86 190.00 19000 1599.32 187.45 18745

1537.00 195.05 19505 1557.36 192.50 19250 1578.27 189.95 18995 1599.75 187.40 18740

1537.40 195.00 19500 1557.77 192.45 19245 1578.69 189.90 18990 1600.17 187.35 18735

1537.79 194.95 19495 1558.17 192.40 19240 1579.10 189.85 18985 1600.60 187.30 18730

1538.19 194.90 19490 1558.58 192.35 19235 1579.52 189.80 18980 1601.03 187.25 18725

1538.58 194.85 19485 1558.98 192.30 19230 1579.93 189.75 18975 1601.46 187.20 18720

1538.98 194.80 19480 1559.39 192.25 19225 1580.35 189.70 18970 1601.88 187.15 18715

1539.37 194.75 19475 1559.79 192.20 19220 1580.77 189.65 18965 1602.31 187.10 18710

1539.77 194.70 19470 1560.20 192.15 19215 1581.18 189.60 18960 1602.74 187.05 18705

1540.16 194.65 19465 1560.61 192.10 19210 1581.60 189.55 18955 1603.17 187.00 18700

1540.56 194.60 19460 1561.01 192.05 19205 1582.02 189.50 18950 1603.60 186.95 18695

1540.95 194.55 19455 1561.42 192.00 19200 1582.44 189.45 18945 1604.03 186.90 18690

1541.35 194.50 19450 1561.83 191.95 19195 1582.85 189.40 18940 1604.46 186.85 18685

1541.75 194.45 19445 1562.23 191.90 19190 1583.27 189.35 18935 1604.89 186.80 18680

1542.14 194.40 19440 1562.64 191.85 19185 1583.69 189.30 18930 1605.31 186.75 18675

1542.54 194.35 19435 1563.05 191.80 19180 1584.11 189.25 18925 1605.74 186.70 18670

1542.94 194.30 19430 1563.46 191.75 19175 1584.53 189.20 18920 1606.17 186.65 18665

1543.33 194.25 19425 1563.86 191.70 19170 1584.95 189.15 18915 1606.61 186.60 18660

1543.73 194.20 19420 1564.27 191.65 19165 1585.37 189.10 18910 1607.04 186.55 18655

1544.13 194.15 19415 1564.68 191.60 19160 1585.78 189.05 18905 1607.47 186.50 18650

1544.53 194.10 19410 1565.09 191.55 19155 1586.20 189.00 18900 1607.90 186.45 18645

1544.92 194.05 19405 1565.50 191.50 19150 1586.62 188.95 18895 1608.33 186.40 18640

1545.32 194.00 19400 1565.91 191.45 19145 1587.04 188.90 18890 1608.76 186.35 18635

1545.72 193.95 19395 1566.31 191.40 19140 1587.46 188.85 18885 1609.19 186.30 18630

1546.12 193.90 19390 1566.72 191.35 19135 1587.88 188.80 18880 1609.62 186.25 18625

1546.52 193.85 19385 1567.13 191.30 19130 1588.30 188.75 18875 1610.06 186.20 18620

1546.92 193.80 19380 1567.54 191.25 19125 1588.73 188.70 18870

Data Sheet

FOL15DDB5-A31-*****-* / 5mW 1550nm 2.5Gbit/s Directly Modulated

DFB Laser Module

Date February 16, 2005 ODC-3S001C

5/5

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.

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

3rd FL Newcombe House

43-45 Notting Hill Gate

London, W11 3FE

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:1-866-GO-FITEL(463-4835)

F:770-487-9910

www.furukawaamerica.com

oesales@FurukawaAmerica.com