Optical performance monitor built into EDFA repeaters for WDM networks

  • Asahi K
  • Yamashita M
  • Hosoi T
 et al. 
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Abstract

In this paper, we present an optical performance monitor that employs an acousto-optic tunable filter (AOTF), which has previously been utilized as a wavelength channel counter for per-channel output power control in an EDFA repeater. This monitor, which features low cost, high reliability, and high-speed operations, can detect SNRs, output levels per channel, and the number of channels, information which can be used in the supervision and control of EDFA repeaters.

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Authors

  • K. Asahi

  • M. Yamashita

  • T. Hosoi

  • K. Nakaya

  • C. Konishi

  • S. Fujita

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