109071563 Ver la hoja de datos (PDF) - Agere -> LSI Corporation
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109071563 Datasheet PDF : 6 Pages
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Advance Data Sheet, Rev. 1
June 2001
CW20P-Type
CW Tunable, Wavelength-Stabilized Laser Module
Applications
s SONET/SDH extended-reach
s Long-haul, very dense, wave-division multiplexing
(DWDM)
s High-speed data communication
s Flexible wavelength systems
Description
Offering multiple channel selections and SONET/SDH compat-
ibility, the CW20P-Type CW DBR Laser Module is manufac-
tured in a 24-pin metallic DIP with a polarization-maintaining
fiber (PMF) pigtail.
Features
s Tunable up to twenty ITU-T 50 GHz channels
s For use with lithium niobate modulators
s Integrated Etalon stabilizer
—Replaces external wavelength lockers
s 1528.77 nm to 1610.0 nm wavelengths
s Compact design
s Remote programmability
s Asynchronous serial interface for module communi-
cation
s High output power, up to 20 mW
s Low profile, 24-pin package
s Laser bias monitor alarm
s Module enable/disable input
The CW20P-type laser modules are designed for use
in transmission systems and high-speed data com-
munication applications. The device supports
20 wavelengths. The module uses an RS-232 inter-
face to adjust various module functions such as
wavelength. In addition, the interface provides acces-
sibility to the alarm and monitor outputs.
The modules meet all present Telcordia Technolo-
gies* GR-253-CORE requirements and the ITU-T
G.957 and G.958 recommendations. The modules
are also suited for extended distance data and net-
working applications when used in conjunction with a
lithium niobate modulator.
The CW20P uses a 1.5 µm distributed Bragg reflec-
tor (DBR) laser with an integrated wavelength stabi-
lizer. By integrating the wavelength stabilizer with the
DBR laser chip, the device offers a compact, cost-
effective solution for low-dispersion transmission.
Devices are provided at wavelengths that are com-
patible with the ITU-T wavelength standards at
200 GHz, 100 GHz, and 50 GHz. The package also
contains a thermoelectric cooler, thermistor, back-
facet monitor, and optical isolator. The laser module
requires 5 V, –5.2 V, and 3.3 V.
* Telcordia Technologies is a trademark of Telcordia Technologies,
Inc.
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