파트넘버.co.kr 269-C 데이터시트 PDF


269-C 반도체 회로 부품 판매점

269-Type1480nmPumpLaserModule



AgereSystems 로고
AgereSystems
269-C 데이터시트, 핀배열, 회로
Data Sheet
June 2001
269-Type 14xx nm DFB Pump Laser Module
Description
The 269-type DFB pump laser module is designed as a
continuous-wave (CW) optical pump source for erbium-doped
fiber amplifiers.
Features
s Low relative intensity noise (RIN)
s High-coupled rated output power up to 280 mW,
CW
s Wide environmental range
s Field-proven packaging technology
s InGaAsP/InP high-power, strained multiple quan-
tum-well (MQW), distributed-feedback (DFB) laser
chip design
s Internal optical isolator (optional)
s Internal thermoelectric cooler (TEC)
s InGaAs PIN photodetector back-facet monitor
s Single-mode and polarization-maintaining fiber pig-
tails
s Compact, 14-pin butterfly package
s Industry compatible package and pinout
Applications
s Raman pump modules (RPM), copropagating and
counterpropagating
s Erbium-doped fiber amplifiers (EDFA)
The 269-type DFB pump laser module represents a
family of thermoelectrically cooled, high-power
lasers. These devices achieve stable wavelength
performance within the 1420 nm to 1510 nm range,
over the full operating temperature range. They are
designed as continuous-wave (CW) optical pump
sources for dense wavelength-division multiplexing
(DWDM) EDFA and Raman applications operating in
the C- and L-bands.
These new high-power DFB products represent a
breakthrough in 14xx nm pump laser technology by
integrating the beneficial characteristics of an exter-
nal FBG laser design (such as stimulated Brillouin
scattering suppression) with the superior relative-
intensity noise (RIN) performance of a DFB laser.
The combination of both characteristics is critical to
enable copropagating Raman pumping, which dis-
tributes gain over the first few kilometers of the trans-
mission fiber. The typical RIN value Agere Systems’
DFB lasers is –158 dB/Hz, a major improvement over
comparable external FBG-stabilized lasers with a
typical RIN of –125 dB/Hz. Integrating wavelength
stabilization into the chip improves the stabilization
over operating temperature and thereby eliminates
the need for an external FBG .
The laser modules incorporate a high-power, quan-
tum-well laser chip that achieves fiber powers up to
280 mW.
An integral thermoelectric cooler (TEC) stabilizes the
laser at room temperature and, combined with a her-
metic environment, allows the device to achieve
high-power operation over the extended temperature
range of 0 °C to 75 °C. An internal InGaAs PIN pho-
todiode, mounted behind the laser diode, functions
as the laser detector and monitors light emissions
from the rear facet of the laser.
The 269-type DFB module is offered in a 14-pin, her-
metic butterfly package.


269-C 데이터시트, 핀배열, 회로
269-Type 14xx nm DFB Pump Laser Module
Data Sheet
June 2001
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.
Parameter
Operating Case Temperature Range
Storage Case Temperature Range
Laser Forward Bias (TEC on):
PO = 120 mW—150 mW
PO = 160 mW—210 mW
PO = 220 mW—280 mW
Laser Reverse Voltage
Photodiode Reverse Voltage
TEC Current
TEC Voltage
Temperature Sensor Current
Laser Diode Operating Chip Temperature
Symbol
TC
Tstg
IF
VR
VRMON
ITEC
VTEC
ITS
TLD
Min
0
–40
Max
75
85
1000
1500
1900
2
20
2.2
5.0
5
40
Unit
°C
°C
mA
mA
mA
V
V
A
V
mA
°C
Handling Precautions
Electrostatic Discharge
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 EIA * Standard EIA 625.
Agere Systems Inc. employs a human-body model (HBM) for ESD-susceptibility testing and protection-design eval-
uation. ESD voltage thresholds are dependent on the critical parameters used to define the model. A standard
HBM (resistance = 1.5 k, capacitance = 100 pF) is widely used and, therefore, can be used for comparison pur-
poses. The HBM ESD withstand voltage established for the 269-type laser pump module is ±500 V.
* EIA is a registered trademark of The Electronic Industries Association.
2
Agere Systems Inc.




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