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Raman Amplifier Module

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Description

Raman Amplifier Module

F-tone's Raman amplifier module is an intelligent pump unit for distributed Raman amplification. The Raman amplifier module can accommodate two or three pumps (multiple wavelengths) for C or L-band amplification, and includes full and comprehensive electronic control. The dual and triple-pump models have a maximum output power of 700 mW and 1 W, respectively. Using patent pending technology, the Raman pump unit can operate in full automatic gain control (AGC) mode, thus allowing the Raman gain to be set with an accuracy of +/-0.7 dB.


Raman Amplifier Module

  

    Features

    Supports both co- and counter-propagating configurations
    Remote software maintenance and upgrade
    Up to 8 dB average gain
    Laser safety - Class 1M

    Applications

    Long repeaterless links (e.g. island hopping, desert ranges and oil rigs)
    Low latency links (less FEC and O-E-O conversion)
    Storage area networks (SANs)
    Security-sensitive applications
    Improving OSNR in long-haul and ultra-long haul links
    40 Gb/s and 100 Gb/s transmission

    Specifications

 

Parameter Specifications Remarks
  Min. Max. Units  
Wavelength Range 1529 1565 nm  
Wavelength Range, OSC 1500 1520 nm  
Input Power Range -40 +5 dBm At line port with Raman off
Input Power Range, OSC -50  -10 dBm  
Maximum Pump Power   700
1
mW
W
2 pumps
3 pumps
Average Gain   13
18
dB  2 pumps
3 pumps
Gain Setting Accuracy in AGC Mode    +/- 0.7 dB  
Gain Flatness     1
1.2
<0.5
dB 2 pumps
3 pumps
With GFF
Signal Insertion Loss    1.8 dB  
OSC Insertion Loss   1.8 dB  
Noise Figure    -1 dB At maximum gain
At lower gains NF can reach 0 dB
PMD    0.2 psec  
PDG, PDL   0.6
0.3
dB 2 pumps
3 pumps
OSC Drop Isolation   30 dB OSC is dropped within module
Dimensions (WxHxD)

150x100x55
200x176x34

mm

2 pumps - with heat sink
3 pumps - with heat sink

Laser Safety Class 1M CDRH 1040.10, IEC 60825-1
Monitored Parameters Pump power, signal power (either co- or counter-propagating), line back-reflection at 1400-1500 nm band and 1500-1520 nm band, sub modulation on OSC power

 

 

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