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Cladding-pumped erbium-doped multicore fiber amplifier.

K S Abedin1, T F Taunay, M Fishteyn

  • 1OFS Laboratories, 19 Schoolhouse Road, Somerset, New Jersey 08873, USA. kabedin@ofsoptics.com

Optics Express
|October 6, 2012
PubMed
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This study demonstrates a novel cladding pumped multicore erbium-doped fiber amplifier capable of amplifying 6 channels simultaneously. The amplifier achieved a peak gain of over 32 dB, showing promising results for optical communication systems.

Area of Science:

  • Optical Engineering
  • Telecommunications
  • Materials Science

Background:

  • Multicore fiber amplifiers offer potential for increased capacity in optical networks.
  • Erbium-doped fiber amplifiers (EDFAs) are crucial components for signal amplification in the telecommunication C-band.
  • Simultaneous amplification of multiple channels is essential for high-throughput optical communication.

Purpose of the Study:

  • To demonstrate a cladding pumped multicore erbium-doped fiber amplifier for simultaneous 6-channel amplification.
  • To characterize the gain and bandwidth performance of the developed amplifier.
  • To validate experimental findings through numerical modeling.

Main Methods:

  • Fabrication and characterization of a cladding pumped multicore erbium-doped fiber.

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  • Experimental setup for simultaneous amplification of 6 optical channels.
  • Numerical modeling using finite difference methods to simulate amplifier performance.

    • Main Results:

    • Achieved a peak gain exceeding 32 dB at 1560 nm.
    • Measured a 20-dB gain bandwidth of approximately 35 nm.
    • Experimental and simulation results showed good agreement, validating the amplifier model.

    Conclusions:

    • The demonstrated cladding pumped multicore erbium-doped fiber amplifier is effective for simultaneous multi-channel amplification.
    • The amplifier exhibits high gain and a significant bandwidth, suitable for optical communication applications.
    • Numerical modeling provides a reliable tool for understanding and optimizing such amplifier designs.