Data Sheet
Data SheetData Sheet
Data Sheet
ErFA 2908/2909
December
DecemberDecember
December, 2001
, 2001, 2001
, 2001
Small form factor EDFA with Cooled pump
980nm pumped version
ErFA2908 and ErFA2909
Applications
Applications Applications
Applications
• Single or small number of channel
booster or pre-amplifier
• For Ultra high speed like 40Gbps system
• Loss compensation
Description
Description Description
Description
•
ErFA2908
ErFA2908ErFA2908
ErFA2908
and
ErFA
ErFAErFA
ErFA2909
29092909
2909
have been designed for a wide variety of single channel or small
number of channel applications of EDFA.
• Miniature Small (110mm x 80mm x12mm) board mountable package.
• Input and output monitor is implemented.
Features
FeaturesFeatures
Features
• Saturated output power >+12dBm and 5dBm
• Noise figure <6.0 dB
• Up to 70 oC ambient temperature operation
Block Diagram
Block DiagramBlock Diagram
Block Diagram
Tap
O
p
tical in
p
ut
Optical Gain
Pump LD
O
p
tical out
p
ut
Tap
PD PD
Figure 1: ErFA2908 and ErFA2909 EDFA optical configuration
Data Sheet
Data SheetData Sheet
Data Sheet
December
DecemberDecember
December,
,,
, 2001
2001 2001
2001
2
ErFA 2908 /
2909
Outline Drawings
Outline DrawingsOutline Drawings
Outline Drawings
Electrical Pin Configuration
Electrical Pin ConfigurationElectrical Pin Configuration
Electrical Pin Configuration
Pin
#
Description Pin
#
Description
1 Input PD Cathode (+) 9 N.C.
2 Input PD Anode (-) 10 Laser PD Cathode (+)
3 TEC Anode (+) 11 Output PD Anode (-)
4 TEC Anode (+) 12 Output PD Cathode (+)
5 Thermistor 13 TEC Cathode (-)
6 Thermistor 14 TEC Cathode (-)
7 GND 15 Laser cathode (-)
8 Laser PD Anode (-) 16 Laser Anode (+)
Data Sheet
Data SheetData Sheet
Data Sheet
December
DecemberDecember
December,
,,
, 2001
2001 2001
2001
3
ErFA 2908 /
2909
Environmenta
EnvironmentaEnvironmenta
Environmental Conditions
l Conditionsl Conditions
l Conditions
Parameter Unit Min Typ Max Remarks
Storage Temperature °C -40 75
Operating Humidity %RH 10 80 No dew condensation
Storage Humidity %RH 10 90 No dew condensation
Operating Temperature °C 0 70
Absolute Maximum Ratings
Absolute Maximum RatingsAbsolute Maximum Ratings
Absolute Maximum Ratings
Item Symbol Condition Value Limit Unit
980nm Laser forward current IP 400 mA
Laser reverse voltage VF,P 2 V
Monitor photodiode forward current IF,M 5 mA
Monitor photodiode reverse voltage VR,M 20 V
Forward voltage of input signal monitor diode VF,M,IN 0 V
Forward voltage of output signal monitor diode VF,M,OUT 0 V
Reverse voltage of input signal monitor diode VR,M,IN 15 V
Reverse voltage of output signal monitor diode VR,M,OUT 15 V
Electrical Characteristics
Electrical CharacteristicsElectrical Characteristics
Electrical Characteristics
Parameter Symbol Specification Unit Comments
Min Max
Pump laser diode current (BOL) IPO 300 mA Over whole operating
condition 0oC to 70 oC
Relative change of pump laser
diode current from BOL to EOL
∠IPO
/IPO
20 %
Pump laser diode forward voltage VP - 2.5 V
Pump monitor PD dark current IM 50 4000 µA IP=IPO
Not applicable for EDFA
power control
Pump monitor PD reverse voltage UMR 0 10 V
Optical Characteristics
Optical CharacteristicsOptical Characteristics
Optical Characteristics
Parameter Symbol Specification Unit Comments
Min Max
Wavelength range 1530 to 1563 nm
Input power Pin -15 -3 dBm
Output power @ input power ≥ -10dBm Pout 12 dBm
Output power @ input power ≥ -15dBm Pout 10 dBm ErFA2908
Output power @ input power ≥ -15dBm Pout 5 dBm ErFA2909
Polarization dependent gain 0.1 dB
Polarization mode dispersion 0.1 ps
Return loss 40 dB
Noise figure 6.0 dB
Input PD monitor responsivity Typ. 20 uA/mW
Output PD monitor responsivity Typ. 20 uA/mW
Other values available upon
request
Polarization dependence of monitors 0.2 dB
Temperature dependence of monitors 0.4 dB
Data Sheet
Data SheetData Sheet
Data Sheet
December
DecemberDecember
December,
,,
, 2001
2001 2001
2001
4
ErFA 2908 /
2909
Ordering Information
Ordering InformationOrdering Information
Ordering Information
ErFA2908 -X X -Y Y +12 dBm version
ErFA2909 -X X -Y Y +5 dBm version
Isolator and monitor indicator
FRNS Input / Output isolator, Input / Output monitor
FRS Input / Output isolator, Output monitor
RS Output isolator, Output monitor
R Output isolator
RNS Output isolator, Input / Output monitor
FNS Input isolator, Input / Output monitor
FS Input isolator, Output monitor
Optical connector indicator
FA FC Angled connector
FS FC super PC
SA SC Angled connector
SS SC super PC
LC LC connector
LA LC Angled connector
Perryville Corporate Par
k
Perryville III
Clinton, NJ 08809
T: 908-713-3525
F: 908-713-3515
www.fiteltech.com
sales@fiteltec
h
.com
Fitel Technologies, Inc. reserves the right to change data contained in this document in the interest of continued
product improvement. The publication of this information by FTI does not imply freedom from patent or any other
rights of Fitel Technologies, Inc.
