Optimized Optical Filtering For 40 Gb/s/Channel Optical Differential Quadrature Phase Shift Key (DQPSK), In DWDM Systems For AccesNetwork

Sarah Benameur (1, 2) , Malika Kandouci (1) , Christelle Aupetit-Berthelemot (2)

1 L2MSM - Laboratoire de Microscopie, Microanalyse de la Matière et Spectroscopie Moléculaire [UDL, Sidi Bel Abbès]
2 XLIM-C2S2 - C2S2

The optimization of multiplexing (MUX) and demultiplexing (DMUX) 3-dB filter bandwidths for the optical differential quadrature phase shift key (DQPSK) combined with the return-to-zero (RZ) and carrier-suppressed return to zero (CS-RZ) is performed. The study of different optical signals in the 40 Gb/s dense wavelength division multiplexing (DWDM) system, with high spectral efficiency, is shown to be achievable with different filter types for access network. Performances of MUX and DMUX with different filter bandwidth is analyzed to get the best system performance for 40 Gbs/s DWDM transmission system with high spectral efficiency. The limitations imposed by misalignment of filters are also discussed.

Mots clés: Bessel; Butterworth.; Optical differential quadrature phase shift key (DQPSK); dense wavelength division multiplexing (DWDM); misalignment; optical filter

Domaines: Réseaux et télécommunications [cs.NI]; Optique / photonique

Sarah Benameur, Malika Kandouci, Christelle Aupetit-Berthelemot. Optimized Optical Filtering For 40 Gb/s/Channel Optical Differential Quadrature Phase Shift Key (DQPSK), In DWDM Systems For AccesNetwork. International Journal of Scientific Engineering and Technology , 2014, 3 (6), pp.823-825. ⟨hal-01287623⟩