MR Photonics

Erbium-doped Fiber Pre-Amplifier for C-band

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C-band (* Note 1) erbium doped fiber Pre-amplifier (PA amplifier for short) is an amplifier specially used for weak optical signals in the range of -45dbm ~ -25dBm. The typical gain of small signal is as high as 35 ~ 45 dB and has low noise figure. It is usually used before a photodetector to improve its detection ability for weak optical signals.

Features & Applications

  • Wide operating wavelength
  • Fiber Communication
  • High Gain
  • Fiber Sensing
  • Low Noise
  • Fiber Laser
ModelsEDFA-PA-35 (Pre-Amp)EDFA-PA-45 (Pre-Amp)
Operating Wavelength (nm)1530~1565nm1530~1565nm
Input signal power (dBm)-35~-25-45~-25
Small signal gain (dB)35 @-35dBm Input45 @-45dBm Input
Noise Figure (dB)≤ 4.5≤ 4.5
Polarization dependent gain (dB)≤ 0.3≤ 0.3
Polarization mode dispersion (ps)≤ 0.5≤ 0.5
Input/ Output Isolation (dB)>35>35
Optical power monitoringOutput PowerOutput Power
Optical fiber and connectorsSMF-28 , FC/APCSMF-28 , FC/APC
Control ModeAutomatic Current Control ( ACC )Automatic Current Control ( ACC )
Operating Wavelength: C-band

Source: MR Photonics manufacturer datasheet. Download the brochure (PDF) from the Documents tab for full details.

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