Erbium-Doped Fiber Link Amplifier

  • Two Independent Bi-Directional Amplifier Units
  • Available on ITU Channels


Erbium-Doped Fiber Link Amplifier

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Wavelength ITU Channel, 1520 - 1577 (C-Band)
Input Power 0.5 - 5 µW
Amplification ≤20 dB
Maximum Output Power 10 mW
Input / Output Connector FC/APC, SMF 28
Control Electronics Dimensions 19" Rack Unit, 3U
Laboratory Requirements
Operating Voltage 110 - 230 VAC
Line Frequency 50 to 60 Hz
Power Consumption <120 W
Lab Temperature Stability 22 ± 5 °C


  • Optical Fiber Links
  • Optical Clock Comparison
  • Optical Frequency Dissemination


  • Integrated Micro Controller and Front Panel Touch Screen
  • Control via USB, RS232, and Ethernet

The world’s best optical clocks realize an accuracy which surpasses other clock systems by orders of magnitude. Further improvements of optical clocks and the search for systematic effects demand for intercomparisons between the best optical clocks, which are often located in different labs or even different cities or countries. Optical fiber links are an efficient and powerful means to bridge these long distances between clocks. Dissemination of extremely stable optical frequencies derived from optical clocks via optical fiber links will enable remote users to take advantage of the fantastic accuracy of optical clocks without the need to operate such a clock on site. Both applications benefit from existing optical fiber connections which are available all over the world. The DUAL-EDFA has been engineered as a bidirectional amplifier, which is a prerequisite for active fiber noise cancellation. It has been used successfully in recent experiments demonstrating world record performance of optical fiber links (see, e.g., S. Droste et al., Phys. Rev. Lett. 111, 110801 (2013) and K. Predehel et al., Science 336, 441 (2012)). Two independent amplifier units allow up to two fiber channels. The COM1300 optional add-on provides an inline communication channel at 1.3 μm for remote control over the fiber link itself. Please contact Menlo Systems for more information.

Simon Kocur
Simon Kocur
Menlo Systems
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Please note that the Fiber Link Amplifier is available directly from Menlo Systems, Inc. within the United States and from Menlo Systems GmbH outside the United States.
United States
Phone: +1-973-300-4490
Outside United States
Phone: +49-89-189166-0

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