Compact 70x90 mm
Variable Gain EDFA
PRODUCT BRIEF
KEY FEATURES
Up to 15 dB dynamic gain range
with excellent gain flatness
Up to 21 dBm output power
Low noise figure over a large
dynamic range
Fast transient suppression
Supports FG amplifier with VOA
configurations for reduce cost and
backward compatibility to older
systems
Can support G.657 low bend radius
fiber connectors
RS232 and I
2
C communication, full
set of control options and alarms
Qualified to Bellcore GR1312 and
GR1089
Class 1M* laser product
classification
OVERVIEW
Finisar's Compact 70x90 mm Variable Gain (VG) EDFA is a micro processor-controlled module
for C-band amplification. The Compact VG module provides drop-in replacement software
and hardware compatibility to line cards already designed to accommodate fixed gain (FG)
EDFA. The VG EDFA, enables a new modular and flexible approach to amplifier design and can
be mixed and matched with FG EDFAs to support all amplifier configurations using the same
line card, including: single stage, dual-stage with mid-stage access, and East/West separation
for ROADM applications. In addition, communication between two modules on a line card
is supported, thus allowing the modules to be operated as a single unit in a master/slave
configuration.
Besides fixed gain and variable gain configurations, this flexible platform can also accommodate
a FG EDFA with VOA for cost reduction and backward compatibility. The Variable Gain Compact
amplifier provides a large dynamic gain range, excellent gain flatness and very low noise figure
over all its operational regimes. The fast automatic gain control (AGC) digital control electronics
allow the amplifier to keep the gain constant and stable particularly in cases when there are
very fast and large changes in the input power.
AppLICATIOnS
Metro, regional and long-haul
WDM networks
ROADM systems requiring full
East/West separation
OSnR-sensitive applications
Dynamic networks
Small footprint and low power
consumption systems
Compact 70x90 mm Variable Gain EDFA
KEY SpECIFICATIOnS
Parameter
Min.
Wavelength Range
Gain Range
Saturated Output Power
Composite Input Power
Gain Flatness (peak to peak)
Noise Figure
Gain Transient Suppression, Overshoot/
Undershoot
Gain Transient Suppression Time
Settable Tilt
Gain Accuracy
PDG
PMD
Power Supply Voltage
Operating Case Temperature
Power Consumption
Dimensions
Laser Safety Classification
Modes of Operation
Communication
70x90x18
Class 1M*
AGC, ApC, pump power
RS232, I
2
C
+4.75
-5
-0. 25
-1
-40
1528
8
Specifications
Max.
1567
35
+20.5
+8
±0.5
5.5
+1
300
±2
+0. 25
0.3
0.3
+5.25
+70
8
Unit
nm
dB
dBm
dBm
dB
dB
dB
μsec
dB
dB
dB
psec
V
°C
W
mm
Option for 3.3 V operation
AGC mode
35 dB dynamic range for transient suppression
Over entire operating range
(max gain, min input power)
16 dB add/drop with 1 μs rise/fall time
16 dB add/drop with 1 μs rise/fall time
Gain range of up to 15 dB can be selected
within this range
Remarks
* Class 1M products are not hazardous under normal circumstances, but may pose an eye hazard when the laser output is viewed with certain
optical instruments (for example eye loupes, magnifiers and microscopes) within a distance of 100 mm
1389 Moffett park Drive
Sunnyvale, CA 94089-1133
www.finisar.com
phone:
Sales:
Email:
+1-408-548-1000
+1-408-541-5690
sales@finisar.com
Visit Our Website
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Features and specifications are subject to change without notice. 07/13
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