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Agere Systems

D571-11F Datasheet Preview

D571-11F Datasheet

D571-Type Digital 1.5 m m Uncooled DFB FastLight Laser Module

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Advance Data Sheet
April 2000
D571-Type Digital 1.5 µm Uncooled DFB
FastLight Laser Module
s Hermetically sealed active components
s Internal back-facet monitor
s Qualification program: Telcordia Technologies *
TA-983
* Telcordia Technologies is a trademark of Bell Communications
Research, Inc.
Applications
s Long-reach SONET OC-3/STM-1, OC-12/STM-4
systems
s Telecommunications
s Secure digital data systems
The low-profile D571-Type Laser Module is ideally suited for
short- and long-haul SONET and other high-speed digital
applications.
Features
s Eight-pin package suitable for SONET/SDH
applications
s Narrow linewidth, distributed-feedback, multiquan-
tum-well (DFB-MQW), 1510 nm or 1550 nm laser
with single-mode fiber pigtail
s Available in narrow and wide temperature ranges
s No TEC required
s High output power:
— Typical 2.0 mW peak power coupled into single-
mode fiber
— 1.0 mW devices are also available
Benefits
s Easily board mounted
s Requires no lead bending
s No additional heat sinks required
s Pin compatible with industry-standard 14-pin laser
module
s Highly efficient DFB-MQW laser structure allows
for lower threshold and drive currents, and reduced
power consumption
Description
The D571-Type Uncooled Laser Module consists of a
laser diode coupled to a single-mode fiber pigtail.
The device is available in a standard, 8-pin configu-
ration (see Figure 1 and/or Table 1) and is ideal for
long-reach (SONET) and other high-speed digital
applications.
The laser diode is a narrow linewidth (<1 nm) DFB-
MQW single-mode laser and an InGaAs PIN photo-
diode back-facet monitor in an epoxy-free, hermeti-
cally sealed package.




Agere Systems

D571-11F Datasheet Preview

D571-11F Datasheet

D571-Type Digital 1.5 m m Uncooled DFB FastLight Laser Module

No Preview Available !

D571-Type Digital 1.5 µm Uncooled DFB
FastLight Laser Module
Advance Data Sheet
April 2000
Description (continued)
The device characteristics listed in this document are
met at 2.0 mW output power. Higher- or lower-power
operation is possible. Under conditions of a fixed pho-
todiode current, the change in optical output is typically
±0.5 dB over an operating temperature range of
–40 °C to +85 °C.
This device incorporates the new Laser 2000 manufac-
turing process developed by the Optoelectronic unit of
Lucent Technologies Microelectronics Group. Laser
2000 is a low-cost platform that targets high-volume
manufacturing and tighter product distributions on all
optical subassemblies. The platform incorporates an
advanced optical design that is produced on a highly
automated production line. The Laser 2000 platform is
qualified for the central office and uncontrolled environ-
ments, and can be used for applications requiring high
performance and low cost.
Table 1. Pin Descriptions
Pin Number
1
2
3
4
5
6
7
8
Connection
NC/Reserved
Case ground
NC/Reserved
Photodiode cathode
Photodiode anode
Laser diode cathode
Laser diode anode
NC/Reserved
4 32 1
5 67 8
Figure 1. D571-Type Digital Uncooled DFB Flat-PAC Laser Module Schematic, Top View
1-900 (C)
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 operations sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.
Parameter
Maximum Peak Laser Drive Current or
Maximum Fiber Power*
Peak Reverse Laser Voltage:
Laser
Monitor
Monitor Forward Current
Operating Case Temperature Range
Storage Case Temperature Range
Lead Soldering Temperature/Time
Relative Humidity (noncondensing)
Symbol
IOP
PMAX
VRL
VRM
IFD
TC
Tstg
RH
Min
–40
–40
Max
150
10
2
20
2
85
85
260/10
85
Unit
mA
mW
V
V
mA
°C
°C
°C/s
%
* Rating varies with temperature.
2 Lucent Technologies Inc.


Part Number D571-11F
Description D571-Type Digital 1.5 m m Uncooled DFB FastLight Laser Module
Maker Agere Systems
Total Page 8 Pages
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