Data Sheet
Data SheetData Sheet
Data Sheet
FOL15DCWD-****
September, 2001
September, 2001September, 2001
September, 2001
1550nm DFB Laser Diode Module
FOL15DCWD-**** (1550nm 40mW CW DFB-LD Module)
FOL15DCWD-****-NL
Applications
Applications Applications
Applications
• OC-48/STM-16 DWDM Transmission Systems
Features
FeaturesFeatures
Features
• Low Driving Current, High Slope Efficiency
• High Side Mode Suppression Ratio
• Selected Wavelength According to ITU-T Grid available
• 50GHz Spacing Available
• Narrow Linewidth Available
• Flame retardant, Conformable to UL1581 (VW-1)
Optical Characteristics
Optical Characteristics Optical Characteristics
Optical Characteristics (TLD=Tset, Tc=25°C, unless otherwise specified)
Parameter Sym Min Typ Max Unit Conditions
Optical Output Power Pf 40 - - mW CW
- - 250 LD Forward Current (C-band) 1
LD Forward Current (L-band)1 If - - 320
mA Pf=40mW,CW,BOL2
Submount Temperature Tset 20 - 35 °C Pf=40mW,CW
LD Forward Voltage Vf - - 2.5 V Pf=40mW,CW
Threshold Current ITh - 15 40 mA BOL
Wavelength λ
λλ
λ
1527.22 - 1600.60 nm Pf=40mW,CW
- - 10 Line Width
(-3dB fullwidth) ∆
∆∆
∆ν
νν
ν
- -
2 : NL MHz Pf=40mW,CW
Side Mode
Suppression Ratio SMSR 35 45 - dB Pf=40mW,CW
Optical Isolation Iso 25 - - dB Tc=-5 to 70°C
Relative Intensity Noise RIN - - -145 dB/Hz Pf=40mW,CW
OpRL<-25dB3,f=2.5GHz
Monitor Current Im 0.15 - 3 mA Pf=40mW,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=40mW,CW
TEC Voltage Vtec - - 2.4 V Tc=70°C,Pf=40mW,CW
Thermistor B constant B - 3900 - K Tset=25°C
Thermistor Resistance R 9.5 - 10.5 kΩ
ΩΩ
Ω
Tset=25°C
Extinction Ratio Er 20 - - dB Pf=40mW, CW
1 C-band considered 1527.22 – 1563.86nm and L-band 1564.68 – 1600.60nm
2 BOL : Beginning of Life
3 OpRL : Optical Return Loss
Data Sheet
Data Sheet Data Sheet
Data Sheet –
––
– FOL15DCWD
FOL15DCWD FOL15DCWD
FOL15DCWD-
--
-***
******
****
**
*
September, 2001
September, 2001September, 2001
September, 2001
2
Absolute Maximum Ratings
Absolute Maximum RatingsAbsolute Maximum Ratings
Absolute Maximum Ratings
Parameter Sym Min Typ Max Unit Conditions
Storage Temperature Tstg -40 - 85 °C -
Operating Case Temperature Tc -5 - 70 °C -
LD Reverse Voltage VrLD - - 2 V -
LD Forward Current IfLD - - 350 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 -
Optical Fiber Pigtail Specifications
Optical Fiber Pigtail SpecificationsOptical Fiber Pigtail Specifications
Optical Fiber Pigtail Specifications
Parameter Specification Unit
Fiber Type SP 15/HFR (Furukawa)
Polyester erastomer coating (0.9 mm φ) -
Fiber Color Red -
Boot Color Black -
N
ominal Fiber Length 1100 + 50
(Boot edge (fiber side) to connector edge) mm
Connector Type FC / SPC Connector -
Polarization Axis Slow Axis -
Dimensions and Pin Assignments
Dimensions and Pin AssignmentsDimensions and Pin Assignments
Dimensions and Pin Assignments
Data Sheet
Data Sheet Data Sheet
Data Sheet –
––
– FOL15DCWD
FOL15DCWD FOL15DCWD
FOL15DCWD-
--
-***
******
****
**
*
September, 2001
September, 2001September, 2001
September, 2001
3
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
Data Sheet Data Sheet
Data Sheet –
––
– FOL15DCWD
FOL15DCWD FOL15DCWD
FOL15DCWD-
--
-***
******
****
**
*
September, 2001
September, 2001September, 2001
September, 2001
4
Table 1
λ
[nm]
ITU Frequenc
y
[THz]
FITEL
Code
λ
[nm]
ITU Frequency
[THz]
FITEL
Code
λ
[nm]
ITU Frequency
[THz]
FITEL
Code
1527.22 196.30 19630 1539.37 194.75 19475 1551.72 193.20 19320
1527.60 196.25 19625 1539.77 194.70 19470 1552.12 193.15 19315
1527.99 196.20 19620 1540.16 194.65 19465 1552.52 193.10 19310
1528.38 196.15 19615 1540.56 194.60 19460 1552.93 193.05 19305
1528.77 196.10 19610 1540.95 194.55 19455 1553.33 193.00 19300
1529.16 196.05 19605 1541.35 194.50 19450 1553.73 192.95 19295
1529.55 196.00 19600 1541.75 194.45 19445 1554.13 192.90 19290
1529.94 195.95 19595 1542.14 194.40 19440 1554.54 192.85 19285
1530.33 195.90 19590 1542.54 194.35 19435 1554.94 192.80 19280
1530.72 195.85 19585 1542.94 194.30 19430 1555.34 192.75 19275
1531.12 195.80 19580 1543.33 194.25 19425 1555.75 192.70 19270
1531.51 195.75 19575 1543.73 194.20 19420 1556.15 192.65 19265
1531.90 195.70 19570 1544.13 194.15 19415 1556.55 192.60 19260
1532.29 195.65 19565 1544.53 194.10 19410 1556.96 192.55 19255
1532.68 195.60 19560 1544.92 194.05 19405 1557.36 192.50 19250
1533.07 195.55 19555 1545.32 194.00 19400 1557.77 192.45 19245
1533.47 195.50 19550 1545.72 193.95 19395 1558.17 192.40 19240
1533.86 195.45 19545 1546.12 193.90 19390 1558.58 192.35 19235
1534.25 195.40 19540 1546.52 193.85 19385 1558.98 192.30 19230
1534.64 195.35 19535 1546.92 193.80 19380 1559.39 192.25 19225
1535.04 195.30 19530 1547.32 193.75 19375 1559.79 192.20 19220
1535.43 195.25 19525 1547.72 193.70 19370 1560.20 192.15 19215
1535.82 195.20 19520 1548.11 193.65 19365 1560.61 192.10 19210
1536.22 195.15 19515 1548.51 193.60 19360 1561.01 192.05 19205
1536.61 195.10 19510 1548.91 193.55 19355 1561.42 192.00 19200
1537.00 195.05 19505 1549.32 193.50 19350 1561.83 191.95 19195
1537.40 195.00 19500 1549.72 193.45 19345 1562.23 191.90 19190
1537.79 194.95 19495 1550.12 193.40 19340 1562.64 191.85 19185
1538.19 194.90 19490 1550.52 193.35 19335 1563.05 191.80 19180
1538.58 194.85 19485 1550.92 193.30 19330 1563.45 191.75 19175
1538.98 194.80 19480 1551.32 193.25 19325 1563.86 191.70 19170
1539.37 194.75 19475 1551.72 193.20 19320
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Perryville III
Clinton, NJ 08809
T: 908-713-3525
F: 908-713-3515
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