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2R-Regeneration of an RZ-DPSK Signal Using a Nonlinear Amplifying Loop Mirror

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5 Author(s)
Cvecek, K. ; Inst. of Opt., Inf. & Photonics, Erlangen-Nurnberg Univ., Erlangen ; Sponsel, K. ; Onishchukov, G. ; Schmauss, B.
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The performance of a nonlinear amplifying loop mirror as a 2R-regenerator for return-to-zero differential-phase-shift-keyed signals has been investigated experimentally. The measured power characteristics and phase functions show that the signal amplitude is regenerated while the signal phase is preserved in the setup. A significant eye-opening improvement and a negative power penalty of about 1.5 dB were obtained

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Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 3 )