Wavelength-Selected D2525P
Isolated DFB Laser Module with PMF
Data Sheet
March 2000
Characteristics
Table 2. Electrical Characteristics (at 25 °C laser temperature)
Parameter
Threshold Current
Symbol
ITH
Test Conditions
Min
—
Typ
15
—
Max
Unit
mA
mA
V
—
LF = 10 mW
LF = 10 mW (CW)
—
40
110
1.8
10
Drive Current Above Threshold
Laser Forward Voltage
Monitor Reverse-bias Voltage*
Monitor Current
—
—
VLF
—
1.3
5
VRMON
IRMON
ID
3
V
PO = 10 mW (CW)
IF = 0, VRMON = 5 V
—
0.200
—
—
—
mA
µA
Ω
Monitor Dark Current
Input Impedance
0.01
25
—
0.1
—
ZIN
—
Thermistor Current
Resistance Ratio†
Thermistor Resistance
TEC Current
ITC
—
10
100
10.1
10.5
1.0
2.0
—
µA
—
—
—
9.1
9.5
—
9.6
—
RTH
ITEC
VTEC
∆T
TL = 25 °C
kΩ
A
TL = 25 °C, TC = 70 °C
TL = 25 °C, TC = 70 °C
TC = 70 °C
—
TEC Voltage
—
—
V
TEC Capacity
50
—
°C
* Standard operating condition is 5.0 V reverse bias.
† Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C.
Table 3. Optical Characteristics (at 25 °C laser temperature)
Parameter
Symbol
PP
Test Conditions
Min
10.0
Typ
—
Max
Unit
Peak Optical Output Power
—
—
mW
nm
Center Wavelength*
(See Table 4.)
λC
TL = 25 °C
CW Wavelength
1529.55
—
1610.06
Line Width (3 dB full width)
Relative Intensity Noise
∆λ
CW, PF = 10.0 mW
—
—
2
10
MHz
RIN
CW, PF = 10.0 mW,
—
–135
dB/Hz
200 MHz < f < 10 GHz
Side-mode Suppression Ratio
Optical Isolation
SMSR
—
CW
33
30
20
—
—
—
—
—
—
dB
dB
dB
TC = 0 °C to 75 °C
0 °C to 75 °C
Optical Polarization Extinction
Ratio†
—
* Custom wavelengths available.
† The ST ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only.
4
Lucent Technologies Inc.
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