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參數(shù)資料
| 型號： | D2500 |
| 英文描述： | 1.5 m m D2500-Type Digital Isolated DFB Laser Module |
| 中文描述： | 1.5毫米D2500型數(shù)字隔離DFB激光器模塊 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 267K |
| 代理商： | D2500 |
4
Lucent Technologies Inc.
Data Sheet
February 2000
Isolated DFB Laser Module
1.5
m D2500-Type Digital
Characteristics
Minimum and maximum values are testing requirements. Typical values are characteristics of the device and are
the result of engineering evaluations. Typical values are for information purposes only and are not part of the test-
ing requirements.
* Standard operating condition is 5.0 V reverse bias.
Ratio of thermistor resistance at 0
°C to thermistor resistance at 50 °C.
* Other dispersion penalties at various dispersions available.
Table 1. Electrical Characteristics (at 25
°C Laser Temperature)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Laser Forward Voltage
VLF
LF = 2 mW (CW)
—
1.3
1.8
V
Slope Efficiency
η
LF = 2 mW (CW)
0.025
0.10
—
mW/mA
Threshold Current
ITH
—
12
50
mA
Monitor Reverse-bias Voltage*
VRMON
—3
5
10
V
Monitor Current
IRMON
PO = 1 mW (CW)
0.1
1.0
2.0
mA
Monitor Dark Current
ID
IF = 0, VRMON = 5 V
—
0.01
0.1
A
Input Impedance
ZIN
—
25
—
Thermistor Current
ITC
—
10
—
100
A
Resistance Ratio
—
8.6
—
9.6
—
Thermistor Resistance
RTH
TL = 25
°C
9.5
—
10.5
k
TEC Current
ITEC
TL = 25
°C, TC = 70 °C
—
0.6
1.0
A
TEC Voltage
VTEC
TL = 25
°C, TC = 70 °C
—
1.3
2.0
V
TEC Capacity
TTC = 70 °C50
—
°C
Table 2. Optical Characteristics (at 25
°C Laser Temperature)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Peak Optical Output Power
PPEAK
—
2.0
—
mW
Center Wavelength
λC
—
1530
—
1570
nm
Spectral Width:
Full Width at –3 dB
Full Width at –20 dB
λ
Modulated at 2.5 Gbits/s at
rated power
—
0.20
0.8
0.30
1.0
nm
Side-mode Suppression Ratio
SMSR
Modulated at 2.5 Gbits/s
30
—
dB
Optical Isolation
—
0
°C to 65 °C30
—
dB
Table 3. Dispersion Performance (examples of dispersion penalty specications)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Dispersion Penalty:*
D2502
D2511
D2517
DP
1350 ps/nm
1800 ps/nm
3000 ps/nm
—
2.0
dB
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