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295L27

Description
Laser Diode,
Categoryphotoelectric   
File Size183KB,8 Pages
ManufacturerBroadcom
Download Datasheet Parametric View All

295L27 Overview

Laser Diode,

295L27 Parametric

Parameter NameAttribute value
MakerBroadcom
Reach Compliance Codecompliant
Base Number Matches1
295L Cooled DFB Laser at 1550 nm and DWDM Wavelengths
Data Sheet
Data Sheet
May 2005
May 2005
295L Edge-Emitting DFB Laser Diode Chip at 1550 nm and DWDM
wavelengths for use in Cooled applications up to 2.7Gb/sec
Features
Low Threshold Current
High Output Power
Near Circular beam pattern
Bondable junction-up or junction-down
Long history of proven field reliability
Very high reliability design, including
o
High quality MOCVD epitaxy
o
Patented low-penetration, ohmic
p-contact design
o
Patented junction-side bonding
pads providing a barrier to solder
penetration
o
Patented hermetic facet coatings
Qualified as per intent of Telcordia GR-468
Operating temperature:15 to 48C
DWDM wavelengths available (1530nm to
1610 nm with 0.8nm spacing)
Description
The 295L is a 1550nm single mode edge-emitting laser
diode chip for use in cooled applications up to
2.7Gb/sec suitable for single channel or DWDM
applications. It is available in all C and L band DWDM
wavelengths from 1530nm to 1610 nm with 0.8nm
spacing. The design is a capped mesa buried hetero-
structure (CMBH) grown on n-type substrate with multi-
quantum well (MQW) active layers and distributed-
feedback (DFB) grating layer. The facets are coated
with an anti-reflectance layer on the front facet and a
high reflectance coating on the rear facet. Gold
bonding pads are provided on both the p and n sides.
A hexadecimal number appears on both sides of the
chip for identification purposes. All laser chips come
from wafers that have been certified using a
representative lot of devices that must achieve an
acceptable yield for burn-in and other multi-
temperature, CW and dynamic tests. Each shipped
bare die is fully tested at 25C. These die are identical
to those used in CyOptics' components level products.
Applications
Supports performance up to 2.7 Gb/sec bit
rate, 15 to 48C operating temperature
range up to 200 km (3700 ps/nm
dispersion)
DWDM SFP transceivers
Long haul-transmission system
1
For additional information, see our website at www.cyoptics.com
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