D2547P Datasheet, PDF (6/14 Pages) Agere Systems – Wavelength-Selected High-Power D2587P-Type (with Wavelength Locker)/D2547P-Type Isolated DFB Laser Modules

Wavelength-Selected, High-Power D2587P-Type (with Wavelength
Locker)/D2547P-Type Isolated DFB Laser Modules
Data Sheet, Rev. 2
July 2001
Characteristics (continued)
Minimum and maximum values are testing requirements. Typical values are device characteristics and are results
of engineering evaluations; they are for information purposes only and are not part of the testing requirements.
Table 4. D2547P-Type Electrical Characteristics (at 25 °C laser temperature)
Parameter
Threshold Current
Drive Current
Laser Forward Voltage
Monitor Reverse-bias Voltage*
Back-facet Monitor Current:
Monitor Dark Current
Input Impedance
Thermistor Current
Resistance Ratio^†
Thermistor Resistance
Laser Submount Temperature
TEC Current
TEC Voltage
TEC Capacity
Symbol
Test Conditions
Min Typ Max
ITH
—
—
15
40
—
LF = 20 mW
—
— 165
VLF
LF = 20 mW (CW)
—
2
2.5
VRMON
—
3
5
10
IRMON
PO = 20 mW (CW)
0.2
—
—
ID
IF = 0, VRMON = 5 V
— 0.01 0.1
ZIN
—
—
25
—
ITC
—
10
— 100
—
—
9.1 9.6 10.1
RTH
TL = 25 °C
9.5
— 10.5
TLASER
—
20
—
35
ITEC
TL = 25 °C, TC = 70 °C —
—
1.7
VTEC
TL = 25 °C, TC = 70 °C
—
—
2.8
∆T
TC = 70 °C
—
—
50
* Standard operating condition is 5.0 V reverse bias.
† Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C.
Unit
mA
mA
V
V
mA
µA
Ω
µA
—
kΩ
°C
A
V
°C
Table 5. D2547P-Type Optical Characteristics (at 25 °C laser temperature)
Parameter
Peak Optical Output Power
Center Wavelength*
(See Ordering Information,
page 12.)
Line Width (3 dB full width)
Side-mode Suppression Ratio
Relative Intensity Noise
Optical Isolation
Optical Polarization Extinction
Ratio^†
FM Efficiency
Wavelength Drift (EOL)
Symbol
PP
λC
Test Conditions
—
TL = TSET
λC = λITU ± 0.1 nm
Min Typ
20.0
—
1528.77 —
∆λ
CW, PF = 20.0 mW
—
2
SMSR
CW
35
45
RIN
CW, PF = 20 mW
—
—
200 MHz < f < 10 GHz
—
TC = 0 °C to 75 °C
30
—
—
0 °C to 75 °C
20
—
FM
fMOD = 30 kHz,
PF = 20 mW
∆λC
Tested over
25-year lifetime
—
100
—
—
* Custom wavelengths available.
† The ST ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only.
Max
—
1610.06
10
—
–135
—
—
—
±0.1
Unit
mW
nm
MHz
dB
dB/Hz
dB
dB
MHz/mA
nm
6
Agere Systems Inc.