1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
FEATURES
• Direct Modulation Laser for WDM systems
• Optimized for Long Distance Transmission (Dispersion 1800ps/nm)
• Peak wavelength 1527.99 to 1563.05nm (C-band: 191.8 to 196.2THz,
100GHz spacing)
• Output Power: 2mW
• 14-pin Butterfly type package
• Built-in Optical Isolator, Power Monitor PIN-PD, Thermistor,
and Cooler
• Single Mode Fiber
APPLICATIONS
This laser is intended for the application of 2.5 Gb/s
long haul Dense Wavelength Division Multiplexing (DWDM).
Transmission spans of 100km (1800ps/nm) are possible.
DESCRIPTION
The laser is capable of 2.5 Gb/s transmission. It is packaged in a “butterfly” type module.
The module employs a highly stable optical coupling system, coupling the laser output through a
built-in optical isolator into a single mode fiber pigtail. The module also includes a monitor photodiode,
a thermoelectric cooler (TEC), and thermistor. This device is designed for use in DWDM direct
modulation transmission systems. Selected wavelengths specified to the ITU-T grid are available.
ABSOLUTE MAXIMUM RATINGS (Tc=25°C, unless otherwise specified)
Parameter
Symbol
Condition
Storage Temperature
Tstg
Operating Case Temperature
Ratings
Unit
Min.
Max.
-
-40
+85
°C
Top
-
-20
+70
°C
Optical Output Power
Pf
CW
-
5
mW
LD Forward Current
IF
CW
-
150
mA
LD Reverse Voltage
VR
-
-
2
V
PD Reverse Voltage
VDR
-
-
20
V
PD Forward Current
IPF
-
-
10
mA
Cooler Voltage
Vc
Cooling
Heating
2.5
-
V
Cooler Current
Ic
Cooling
Heating
-2.5
-0.9
1.4
-
A
Tth
ATC Operation
-20
+70
°C
Tsold
260°C
-
10
sec
Xop
Top<30°C
-
95
%
Xst
Tstg<30°C
-
95
%
Thermistor Temperature
Lead Soldering Time
Environmental Operating Humidity
Environmental Storage Humidity
Edition 1.1
July 2004
1
1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
OPTICAL AND ELECTRICAL CHARACTERISTICS (TL=Tset, Tc=25°C, BOL, unless otherwise specified)
Limits
Typ.
-
Max.
35
Unit
-
Min.
20
CW
4
-
40
mA
VFDC
CW, IF=30 mA, pin 12, 13
-
1.6
1.75
V
Series Resistance
Rs
CW, pin 12, 13
22
25
28
Ω
Optical Output Power
Pf
CW
2.0
-
-
mW
Slope Efficiency
η
CW, Pf=2mW
0.03
0.04
-
mW/mA
Threshold Power
Pth
IF=Ith, CW
-
-
150
µW
Tracking Error (Note 1)
TE
Pf=2mW, Tc=-20 to 70°C,
Im-APC
-0.5
-
+0.5
dB
Monitor Current
Im
CW, Pf=2mW, VDR=5V
0.25
-
2.0
mA
Photodiode Dark Current
ID
Ct
VDR=5V
VDR=5V, f=1 MHz
-
2
100
nA
-
-
10
pF
Photodiode Cutoff Frequency
fcm
VDR=5V, 50Ω load
100
-
-
MHz
Peak Wavelength
λp
Note (2)
Wavelength Drift (after 20 yrs)
∆λ
Note (2)
-100
-
+100
pm
Wavelength Stabilty with
Case Temperature
dλ/dTc
Tc=-20 to 70°C
-1.0
-
+1.0
pm/°C
Side Mode Suppression
Sr
Note (2)
35
40
-
dB
Spectral Width (-20dB)
δλ
Note (2)
-
-
0.5
nm
Tr, Tf
20% to 80%
-
-
0.125
fc
Pf=2mW, -3 dB
3.5
-
-
GHz
S11
f=50 MHz ~ 2 GHz
f=2 GHz ~ 3 GHz
8
6
-
-
dB
dB
f=3 GHz ~ 5 GHz
3
-
-
dB
Tc=-20 to 70°C
f=2.5 GHz
Pf=2mW, ORL=24 dB
25
35
-
dB
-
-
-140
dB/Hz
Parameter
Laser Set Temperature
Threshold Current
Forward Voltage
Photodiode Capacitance
Rise/Fall Time
Cutoff Frequency
RF Return Loss
Optical Isolation
Symbol
Test Conditions
Tset
Ith
Is
Relative Intensity Noise
RIN
Kink
Kns
up to 2.4mW
Dispersion Penalty
dP
Note (3)
Note 1. TE=10*log{pf(Tcase)/Pf(Tc=25°C)}(dB)
Note 2. 2.5 Gb/s NRZ, Ppeak=2mW, Rext=8.2dB, PRBS=223-1,
Note 3. Bit rate=2.48832 Gb/s, PRBS=223-1, Dispersion=1,800 ps/nm, Ppeak=2mW,
Rext=8.2dB
Decision point: Center of Back-to-Back at 10-9, No Floor,
Receiver: Eudyna Standard Receiver
Note 4. The selected wavelengths available are listed in Fig. 8
2
Note (4)
nm
No Kink
-
-
°C
nsec
2.0
dB
1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
TEC AND THERMISTOR CHARACTERISTICS (TL=Tset, Tc=25°C, BOL, unless otherwise specified)
Parameter
Test Conditions
Symbol
Cooler Current
Ic
Cooler Voltage
Vc
Cooler Power
Pc
Thermistor Resistance
Rtr
Thermistor B Constant
B
TL=Tset,
Pf=2mW, Tc=70°C
TL=25°C
Min.
Limit
Typ.
Max.
-
-
1.0
A
-
-
2.4
V
-
-
2.4
W
9.5
10.0
10.5
kΩ
3,270
3,450
3,630
K
Fig. 1 Forward Current vs Output Power
Unit
Fig. 2 Frequency Response
12
TL=25°C
Relative Output (dB)
Output Power, Pf (mW)
2
1
6
3
0
-3
-6
-9
-12
0
Pf=2mW
9
3
0
30
60
0
1
2
3
Frequency (GHz)
90
Forward Current, If (mA)
3
4
5
1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
Cooler Voltage (V)
30
10
0
-10
-30
3.0
2.0
2.0
0
1
2
3
4
Vc
1.0
1.0
Ic
0.0
-1.0
-20
0
10
20
30
40
50
60
0.0
70
-1.0
80
Case Temperature (°C)
5
Frequency (GHz)
Fig. 5 Spectrum
Fig. 6 Temperature Dependance of
Wavelength (ACC Operation)
1554
10
Wavelength (nm)
0
Relative Intensity (dB)
Return Loss (dB)
20
3.0
-10
-20
-30
-40
-50
1553
1552
1551
-60
1540
1550
1550
10
1560
Wavelength λ (nm)
20
30
Laser Temperature, TL (°C)
4
40
Cooler Current (A)
Fig. 4 Cooler Voltage -Current
Fig. 3 RF Return Loss
1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
Fig. 7 Transmission Characteristics
Bit Error Rate
10-4
2.5Gb/s, NRZ,
PRBS=223-1,
Pave=0dBm,
Rext ≥ 9dB,
Dispersion penalty
≤ 2dB@10-10
10-6
Back to Back
After Transmission
(1800ps/nm)
10-8
10-10
10-12
-37
-33
-29
-25
Average Input Power (dBm)
Fig. 8 Wavelength Table
Part Number
FLD5F15CX-E9620
-E9610
-E9600
-E9590
-E9580
-E9570
-E9560
-E9550
-E9540
-E9530
-E9520
-E9510
-E9500
-E9490
-E9480
-E9470
-E9460
-E9450
-E9440
-E9430
-E9420
Wavelength (nm)
(TL=Tset)
(in vacuum)
1527.99
1528.77
1529.55
1530.33
1531.12
1531.90
1532.68
1533.47
1534.25
1535.04
1535.82
1536.61
1537.40
1538.19
1538.98
1539.77
1540.56
1541.35
1542.14
1542.94
1543.73
-E9410
-E9400
-E9390
-E9380
-E9370
-E9360
-E9350
-E9340
-E9330
-E9320
-E9310
-E9300
-E9290
-E9280
-E9270
-E9260
-E9250
-E9240
-E9230
-E9220
-E9210
-E9200
-E9190
-E9180
Tolerance (nm)
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
5
1544.53
1545.32
1546.12
1546.92
1547.72
1548.51
1549.32
1550.12
1550.92
1551.72
1552.52
1553.33
1554.13
1554.94
1555.75
1556.55
1557.36
1558.17
1558.98
1559.79
1560.61
1561.42
1562.23
1563.05
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
±0.1
1,550nm DWDM Direct
Modulation DFB Laser
FLD5F15CX-E
“CX” PACKAGE
UNIT: mm
17.24±0.25
15.24±0.25
2.54
14-0.5
5.25±0.5
5.41±0.25
5.08±0.15
15.2±0.3
14-0.1±0.05
Ø0.9±0.1
12.7±0.25
8.25±0.5
Ø5.2±0.25
PIN 1
8.89±0.15
5.4±0.5
PIN 7
4-Ø2.67
PIN 8
0.5±0.2
1.70±0.15
PIN 14
8.17±0.25
20.83±0.25
22.0±0.25
26.04±0.25
29.97±0.25
0.5
1.70
4.15±0.25
5.47±0.2
*L
Grounded Type
PIN #
FUNCTION
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
Thermistor
Thermistor
Laser DC Bias (-)
Monitor (Anode)
Monitor (Cathode)
Thermoelectric Cooler (+)
Thermoelectric Cooler (-)
Case Ground
Case Ground
N.C.
Case Ground
Laser Modulation (-)
Case Ground
N.C.
7
6
5
4
3
2
1
10
11
12
13
14
TEC
8
9
25.0±0.5
CONNECTOR
For further information please contact:
CAUTION
Eudyna Devices USA Inc.
Eudyna Devices Inc. products contain gallium arsenide
(GaAs) which can be hazardous to the human body and the environment.
For safety, observe the following procedures:
2355 Zanker Rd.
San Jose, CA 95131-1138, U.S.A.
TEL: (408) 232-9500
FAX: (408) 428-9111
www.us.eudyna.com
• Do not put this product into the mouth.
Eudyna Devices Europe Ltd.
• Do not alter the form of this product into a gas, powder, or liquid
through burning, crushing, or chemical processing as these by-products
are dangerous to the human body if inhaled, ingested, or swallowed.
Network House
Norreys Drive
Maidenhead, Berkshire SL6 4FJ
United Kingdom
TEL: +44 (0) 1628 504800
FAX: +44 (0) 1628 504888
Eudyna Devices Asia Pte Ltd.
Hong Kong Branch
Rm. 1101, Ocean Centre, 5 Canton Rd.
Tsim Sha Tsui, Kowloon, Hong Kong
TEL: +852-2377-0227
FAX: +852-2377-3921
• Observe government laws and company regulations when discarding this
product. This product must be discarded in accordance with methods
specified by applicable hazardous waste procedures.
Eudyna Devices Inc. reserves the right to change products and specifications
without notice. The information does not convey any license under rights of
Eudyna Devices Inc. or others.
© 2004 Eudyna Devices USA Inc.
Printed in U.S.A.
Eudyna Devices Inc.
Sales Division
1, Kanai-cho, Sakae-ku
Yokohama, 244-0845, Japan
TEL: +81-45-853-8156
FAX: +81-45-853-8170
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