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Hybrid Raman-EDFA

Description
Applications
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Specifications

 

  • Integrated Raman and EDFA design with unified gain control
  • Supports up to 3 14xx nm Raman and 980 nm EDFA pumps in various configurations
  • Variable gain operation with dynamic range of up to 17 dB
  • Exceptionally low effective noise figure for all gain values
  • Superior gain flatness regardless of fiber type and fiber loss
  • Eye safety - Class 1M 
  • RS232 or I2C communication protocols

 

  • Extending metro, regional, LH and ULH WDM links (3000 km and beyond)
  • System upgrade to 40 Gb/s, 100 Gb/s, and coherent detection
  • Link extension beyond 1000 km without adding 3R O-E-O sites
  • In-line and pre-amplifier applications
  • OSNR-sensitive applications

Specification

Unit

Min.

Max.

Remarks
Wavelength Bandwidth nm  1528 1567  
Input Power Range dBm -35 +11 Other input power ranges can be specified
Saturated Output Power dBm 21    
Gain Range dB 15 40 Any 17 dB dynamic range can be selected for 3-pump design
Noise Figure 2-pump
3-pump		 G>=24
G>=28		 dB   1
0		 For G.652 fiber, depends on dynamic gain range
Gain Flatness Peak-Peak   dB   0.7 Including Raman gain
Gain Setting Accuracy   dB -0.5 +0.5 Including Raman gain
Transient Overshoot/Undershoot dB    ±1 Up to 19 dB add/drop
Transient Setting Time ms   400 Up to 19 dB add/drop
PDG + PDL dB   0.35  
Mechanical Dimensions 2-pump
3-pump		 mm 125x200x16
140x200x24		 Without heat sink
Power Consumption 2-pump
3-pump		 W   32
45		  
Last：
Variable Gain Dual Stage EDFA
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