Data Sheet
January 1999
A371-Type Analog Uncooled Isolated
DFB FastLight Laser Module
Handling Precautions
Caution: This device is susceptible to damage as a result of electrostatic discharge (ESD).Take proper
precautions during both handling and testing. Follow guidelines such as JEDEC Publication No.
108-A (Dec. 1988).
Although protection circuitry is designed into the device, take proper precautions to avoid exposure to ESD.
Electro/Optical Characteristics
Table 2. Electro/Optical Characteristics (over operating temperature range unless otherwise noted)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Operating Temperature
Range
T
—
–40
—
85
°C
Optical Output Power*
Threshold Current
PF
CW, nominal
—
2
—
mW
ITH
T = 25 °C
T = full range
5
2
11
—
15
50
mA
mA
Drive Current Above
Threshold
IMOD
CW, PF = 2.0 mW, T = 25 °C
CW, IMON = const., T = full range
10
7.5
20
—
30
55
mA
Slope Efficiency
SE
λC
CW, PF = 2.0 mW, T = 25 °C
PF = 2.0 mW, CW
PF = 2.0 mW
67
1280
—
—
—
—
40
200
1335
1
µW/mA
nm
Center Wavelength
Spectral Width (–20 dB)
∆λ
nm
Side-mode Suppression
Ratio
SMSR
CW, PF = 2.0 mW
30
—
dB
Tracking Error
TE
VF
R
IMON = constant, CW
—
—
3
0.5
1.1
—
1.25
1.6
dB
V
Forward Voltage
Input Impedance
Monitor Current
Monitor Dark Current
CW
—
8
Ω
†
IMON
ID
VR = 5 V
100
—
—
—
1000
200
0.1
µA
†
VR = 5 V
10
nA
WavelengthTemperature
Coefficient
—
—
0.09
nm/°C
*
See Table 5 for more information.
† VR = reverse voltage.
3
Lucent Technologies Inc.
AGERE [ AGERE SYSTEMS ]
