Abstract
An optical limiting-amplified multiwavelength dispersion compensator (LDC), incorporating multiple chirped fiber gratings and a common bidirectional erbium-doped fiber amplifier, for dense wavelength-division-multiplexing (DWDM) systems is proposed and demonstrated. The LDC provides simultaneous dispersion compensation and limiting amplification of multiple DWDM signals. A high constant channel output power of 16.4 dBm and a low power penalty of less than 0.3 dB over an input signal dynamic range of −17 to 0 dBm can be obtained for this LDC in a 10 Gb/s two-wavelength 80-km conventional single-mode fiber system. The LDC may facilitate easier DWDM system design flexibility and network implementation.
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