Alcatel 1936 OFA
D-WDM, Add Drop MUX, L-Band
Erbium-doped fiber amplifier
Description
The Alcatel 1936 OFA (Optical Fiber
Amplifier) is designed to offer excellent
performance characteristics for WDM
systems in the 1569 - 1604 nm wavelength
range.
The standard, double-stage 17 dBm unit
can be supplemented using external pump
modules to achieve outputs of 20 dBm or
23 dBm.
A 9 dB mid-amplifier loss port has been
designed in to allow for A/DMUX functions
or dispersion compensation. Tap couplers
at each signal port offer full monitoring
capability.
The Alcatel 1936 OFA achieves very flat
gain in excess of 28 dB, while limiting gain
excursion to < 1 Db (typical) over the
entire 35 nm wavelength range @ 25擄C.
Optimization of the architecture yields very
low typical noise figures; < 5 dB for the
17 dBm configuration.
Features
鈥?/div>
Optimized for D-WDM transmission
鈥?/div>
Dual-stage 17 dBm basic unit can be to
offer 20 or 23 dBm.
鈥?/div>
Low noise figure for optimal SNR
鈥?/div>
Flat gain across wide bandwidth range
鈥?/div>
Integrated 9 dB mid-amplifier loss port
allows ADM functional customization
鈥?/div>
Polarization independent & bit-rate
transparent
鈥?/div>
Optical isolators at input, monitor taps,
and outputs minimize system
susceptibility to reflection
鈥?/div>
Compact, rugged low profile package
Applications
鈥?/div>
Power booster for L-band D-WDM
systems
鈥?/div>
Optical Add / Drop multiplexer
鈥?/div>
Low-noise in-line amplifier for transport
systems
Optical characteristics
Parameter
Configuration
Operating wavelength
Output power
External pump power, 1480 nm
Input power
Noise figure
Polarization mode dispersion
Gain flatness
Symb
位
Pout
Pext
Pin
NF
PMD
鈭咷
Min Typical Max
+ 17 dBm
1569
1604
17
NA
- 11
< 5.5
0.5
<1
Min Typical Max
+ 20 dBm
1569
1604
20
180
-8
< 5.5
0.5
<1
Min Typical Max
+ 23 dBm
1569
1604
23
500
-5
鈮?/div>
6.5
0.5
<1
Unit
nm
dBm
mW
dBm
dB
ps
dB
All parameters are specified within the overall relevant operating temperature range. The typical values are referenced to + 25 擄C.
Electrical characteristics
17 dBm basic unit
Parameter
Laser pump drive current
Laser voltage
Photodetector monitor
TEC drive (70擄)
TEC voltage
Symb
I drive
V drive
I mon
I TEC
V TEC
Min
Pump 1
980 nm
Max
330
2.5
2500
1.4
3.8
Pump 2 & 3
1480 nm
Min
Max
875
2.5
100
2500
1.3
4.2
Unit
mA
V
碌A(chǔ)
A
V
100
All parameters are specified within the overall temperature range.
Maximum ratings
Parameter
Operating temperature
Storage temperature
1
st
stage pumps 1 & 2 bias current
2
st
stage pump bias current
Soldering temperature (3s)
Axial pull force on fiber (10s)
Fiber bend radius from package
Symbol
胃
Oper
胃
Stor
I Drive 1 max
I Drive 2 max
胃
Sold
/
/
Min
-5
- 40
Max
+70
+85
400
1000
350
10
400
Unit
擄C
擄C
mA
mA
擄C
N
mm
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are absolute stress ratings only.
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