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D572-20GS Schematic ( PDF Datasheet ) - Agere Systems

Teilenummer D572-20GS
Beschreibung D572-Type 1.5 m m Uncooled DFB FastLight Laser Module for 2.5 Gbits/s and High Bandwidth Applications
Hersteller Agere Systems
Logo Agere Systems Logo 




Gesamt 8 Seiten
D572-20GS Datasheet, Funktion
Advance Data Sheet
February 2000
D572-Type 1.5 µm Uncooled DFB FastLight Laser Module
for 2.5 Gbits/s and High Bandwidth Applications
Applications
s SONET OC-48/STM-16 systems
s Telecommunications
s Secure digital data systems
The low-profile D572-Type Laser Module is ideally suited for
OC-48 SONET and other high-speed digital applications.
Features
s 8-pin package suitable for SONET applications
s Narrow linewidth, distributed feedback, multiquan-
tum-well (DFB-MQW)1510 nm or 1550 nm laser
with single-mode fiber pigtail
s Operating temperature range: –25 °C to +70 °C
(–25 °C to +85 °C versions under development)
s No TEC required
s High output power: typical 2.0 mW peak power
coupled into single-mode fiber
s Hermetically sealed active components
s Internal back-facet monitor
s Built-in thermistor and Bias T
s 25 input impedance
s Internal isolator
s Telcordia Technologies * TA-983 qualification pro-
gram
s Bandwidth > 3 GHz
Benefits
s Easily board mounted
s Gull-wing leads
s No additional heat sinks required
s Low-cost alternative to industry-standard, 14-pin
isolated laser module (ILM)
s Highly efficient DFB-MQW laser structure allows
for lower threshold and drive currents, and reduced
power consumption
Description
The D572-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 module includes a narrow linewidth (<1 nm)
DFB-MQW single-mode laser and an InGaAs PIN
photodiode back-facet monitor in a hermetically
sealed package.
This package is optimized for a 25 input imped-
ance and allows for dc biasing through an internal
bias tee. A thermistor has been included for feedback
to board-level bias circuitry, if needed.
* Telcordia Technologies is a trademark of Bell Communications
Research, Inc.






D572-20GS Datasheet, Funktion
D572-Type 1.5 µm Uncooled DFB FastLight Laser Module
for 2.5 Gbits/s and High-Bandwidth Applications
Advance Data Sheet
February 2000
Laser Safety Information
Class IIIb Laser Product
FDA/CDRH Class IIIb laser product. All versions are Class IIIb laser products per CDRH, 21 CFR 1040 Laser
Safety requirements. All versions are Class IIIb laser products per IEC * 60825-1:1993. The device has been certi-
fied with the FDA under accession number 8720010.
This product complies with 21 CFR 1040.10 and 1040.11.
8.3 µm single-mode pigtail or connector
Wavelength = 1.5 µm
Maximum power = 10 mW
Because of size constraints, laser safety labeling is not affixed to the module but attached to the outside of the
shipping carton.
Product is not shipped with power supply.
Caution: Use of controls, adjustments, and procedures other than those specified herein may result in
hazardous laser radiation exposure.
* IEC is a registered trademark of The International Electrotechnical Commission.
10 mW
1.5 µm
6 Lucent Technologies Inc.

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