D2547P Datasheet, PDF (5/14 Pages) Agere Systems – Wavelength-Selected High-Power D2587P-Type (with Wavelength Locker)/D2547P-Type Isolated DFB Laser Modules

Data Sheet, Rev. 2
July 2001
Wavelength-Selected, High-Power D2587P-Type (with Wavelength
Locker)/D2547P-Type Isolated DFB Laser Modules
Characteristics
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 2. D2587-Type Electrical Characteristics (at 25 °C laser temperature)
Parameter
Threshold Current
Drive Current
Laser Forward Voltage
Monitor Reverse-bias Voltage*
Monitor Current:
Back-facet Monitor
λ Photodiode 1
λ Photodiode 2
Monitor Dark Current
Input Impedance
Filter Slope
Frequency Capture Range
Thermistor Current
Resistance Ratio^†
Thermistor Resistance
Laser Submount Temperature
TEC Current
TEC Voltage
TEC Capacity
Symbol
ITH
—
VLF
VRMON
IRMON
IλPD1
IλPD2
ID
ZIN
—
—
ITC
—
RTH
TSET
ITEC
VTEC
∆T
Test Conditions
—
LF = 20 mW
LF = 20 mW (CW)
—
PO = 20 mW (CW)
IF = 0, VRMON = 5 V
—
—
Measured from λITU
toward increasing λ and
decreasing λ
—
—
TL = 25 °C
—
TL = 25 °C, TC = 70 °C
TL = 25 °C, TC = 70 °C
TC = 70 °C
* Standard operating condition is 5.0 V reverse bias.
† Ratio of thermistor resistance at 0 °C to thermistor resistance at 50 °C.
Min
—
—
—
3
0.003
0.003
0.003
—
—
0.5
15
10
9.1
9.5
20
—
—
—
Typ
15
—
2
5
—
—
—
0.01
25
—
—
—
9.6
—
—
—
—
Max
40
165
2.5
10
0.06
0.06
0.06
0.1
—
8
—
100
10.1
10.5
35
1.7
2.8
50
Unit
mA
mA
V
V
mA
mA
mA
µA
Ω
/nm
GHz
µA
—
kΩ
°C
A
V
°C
Table 3. D2587-Type Optical Characteristics (at 25 °C laser temperature)
Parameter
Symbol Test Conditions
Min Typ Max
Unit
Peak Optical Output Power
PP
—
20.0 —
—
mW
Center Wavelength*
λC
(See Ordering Information, page 9.)
TL = TSET
1528.77 — 1610.06 nm
λC = λITU ± 0.1 nm
Line Width (3 dB full width)
∆λ
CW, PF = 20.0 mW
—
2
10
MHz
Side-mode Suppression Ratio
SMSR
CW
35
45
—
dB
Relative Intensity Noise
RIN
CW, PF = 20 mW
—
200 MHz < f < 10 GHz
— –135 dB/Hz
Optical Isolation
—
TC = 0 °C to 75 °C
30
—
—
dB
Optical Polarization Extinction Ratio^†
—
0 °C to 75 °C
20
—
—
dB
FM Efficiency
FM
fMOD = 30 kHz,
PF = 20 mW
— 100 — MHz/mA
Wavelength Drift (EOL)
∆λC
Tested over
25-year lifetime
—
— ±2.5
GHz
* Custom wavelengths available.
† The ST ^® ferrule key is not aligned to slow axis of fiber. Connector is intended for testing purposes only.
Agere Systems Inc.
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