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2
Lucent Technologies Inc.
Data Sheet
February 2001
A1611A/B DFB Laser Modules
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-
lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Electrical/Optical Characteristics
* OMI = 2.8% min, 112 unmodulated NTSC channels, through fiber, up to 20 mW output power.
Parameter
Symbol
T
C
Condition
I
F
= I
OP
Min
–20
Max
65
Unit
°
C
Operating Case Temperature
Range
Storage Case Temperature Range
Laser Forward Bias
Reverse Voltage (Laser)
Reverse Voltage Photodiode
TEC Current
Tstg
—
V
R
V
RPD
I
TEC
—
—
—
—
–40
—
—
—
—
70
120
2
10
1.5
°
C
mA
V
V
A
–20
°
C
<
T
C
<
65
°
C,
T
OP
= 25 °C,
I
F
= 100 mA
Table 1. Electrical and Optical Characteristics
Parameter
Symbol
λ
OP
Condition
Min
Typ
Max
Unit
Wavelength
I
F
= I
OP
, T = T
OP
1300
1310
1320
nm
Optical Output Power
Optical Isolation
Side Mode Suppression
Ratio
Threshold Current
Operating Current
Monitor Operating Current
Thermistor Resistance
Thermistor Temperature
Coefficient
P
O
ISO
SMSR
I
F
= I
OP
T
OP
= 25 °C
I
F
= I
OP
4
30
30
—
—
—
13
—
—
mW
dB
dB
I
TH
I
OP
I
MON
R
TH
TC
TH
25 °C, BOL
BOL
I
OP
= 0 mA
T
OP
= 25 °C
T
OP
= 25 °C
—
—
10
—
—
—
65
—
30
120
200
—
—
mA
mA
μ
A/mW
k
%/°C
10 ± 1 @ 25 °C
–4.4 @ 25 °C
Table 2. RF Characteristics
Parameter
Symbol
F
|S21|
Condition
—
I
F
= 60 mA,
20 MHz—860 MHz,
T
OP
= 25 °C
—
—
Min
20
—
Typ
—
± 0.5
Max
860
—
Unit
MHz
dB
Frequency Range
Frequency Response
Carrier-to-Noise Ratio
*
Composite Second Order
1611A
1611B
Composite Triple Beat
Relative Intensity Noise
CNR
CSO
—
51
—
dB
—
—
—
—
57
60
66
—
—
—
—
—
—
dB
CTB
RIN
—
—
<
–155
dB/Hz